The sample space of repeated experiment S: {PW, WP, PP, WW} represents the outcome of spinning a spinner twice with 2 equal sections colored pink (P) and white (w).(4th option).
What is the repeated experiment?Getting the same result by an experiment which is repeated again is called repeated experiment. If the οutcοming results can be replicated, then it means they are mοre likely tο be accurate.
Here,
In the given repeated experiment, each spin οf the spinner results in either a pink οr white which is being selected. Since the spinner is spun twice, there are fοur pοssible οutcοmes:
1) PW (pink fοllοwed by white),
2) PP (pink fοllοwed by pink),
3) WW (white fοllοwed by white),
4) WP (white fοllοwed by pink).
The sample space S cοnsists οf these fοur pοssible οutcοmes.
Hence, The cοrrect οptiοn is 4. That is the repeated experiment represented by the sample space is spinning a spinner twice with 2 equal sectiοns cοlοred pink and white.
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Which shapes are similar but not congruent to shape 1
There are countless possibilities for shapes that are similar but not congruent to shape 1, as long as they maintain the same proportions and shape.
There are many shapes that are similar but not congruent to shape 1. Similar shapes have the same shape, but their sizes may be different. In contrast, congruent shapes have the same shape and size.
One example of a similar shape to shape 1 is a rectangle that is twice as long and half as wide. Another example could be a square that is three times larger in area than shape 1.
A parallelogram that has the same base as shape 1 but is three times as tall is also similar but not congruent.
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Which statement best describes the functions represented in the graphs?
A.Both functions are continuous and linear.
B.Only function p is continuous and linear.
C.Both functions are discrete and exponential.
D.Only function a is discrete and exponential.
The statement that best describes the functions represented in the graphs is B. Only function p is continuous and linear.
What is a linear function?A linear function consists of functions where the variables has exponents of 1.
The graph of linear functions is a straight line graph and the relationship is expressed in the form.
y = mx + c
How to know continuous function?A function at a place can only be continuous if it is defined there, has a limit there, and its value at that point is equal to the value of the limit there.
The graph of function p is linear and continuous
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Find the components of the vertical force Bold Upper FFequals=left angle 0 comma negative 4 right angle0,−4 in the directions parallel to and normal to the plane that makes an angle of StartFraction pi Over 3 EndFraction π 3 with the positive x-axis. Show that the total force is the sum of the two component forces.
Answer:
\(F_p = < - \sqrt{3} , -3 >\\\\F_o = < \sqrt{3} , -1 >\)
Step-by-step explanation:
- A plane is oriented in a Cartesian coordinate system such that it makes an angle of ( π / 3 ) with the positive x - axis.
- A force ( F ) is directed along the y-axis as a vector < 0 , - 4 >
- We are to determine the the components of force ( F ) parallel and normal to the defined plane.
- We will denote two unit vectors: ( \(u_p\) ) parallel to plane and ( \(u_o\) ) orthogonal to the defined plane. We will define the two unit vectors in ( x - y ) plane as follows:
- The unit vector ( \(u_p\) ) parallel to the defined plane makes an angle of ( 30° ) with the positive y-axis and an angle of ( π / 3 = 60° ) with the x-axis. We will find the projection of the vector onto the x and y axes as follows:
\(u_o\) = < cos ( 60° ) , cos ( 30° ) >
\(u_o = < \frac{1}{2} , \frac{\sqrt{3} }{2} >\)
- Similarly, the unit vector ( \(u_o\) ) orthogonal to plane makes an angle of ( π / 3 ) with the positive x - axis and angle of ( π / 6 ) with the y-axis in negative direction. We will find the projection of the vector onto the x and y axes as follows:
\(u_p = < cos ( \frac{\pi }{6} ) , - cos ( \frac{\pi }{3} ) >\\\\u_p = < \frac{\sqrt{3} }{2} , -\frac{1}{2} >\\\)
- To find the projection of force ( F ) along and normal to the plane we will apply the dot product formulation:
- The Force vector parallel to the plane ( \(F_p\) ) would be:
\(F_p = u_p(F . u_p)\\\\F_p = < \frac{1}{2} , \frac{\sqrt{3} }{2} > [ < 0 , - 4 > . < \frac{1}{2} , \frac{\sqrt{3} }{2} > ]\\\\F_p = < \frac{1}{2} , \frac{\sqrt{3} }{2} > [ -2\sqrt{3} ]\\\\F_p = < -\sqrt{3} , -3 >\\\)
- Similarly, to find the projection of force ( \(F_o\) ) normal to the plane we again employ the dot product formulation with normal unit vector ( \(u_o\) ) as follows:
\(F_o = u_o ( F . u_o )\\\\F_o = < \frac{\sqrt{3} }{2} , - \frac{1}{2} > [ < 0 , - 4 > . < \frac{\sqrt{3} }{2} , - \frac{1}{2} > ] \\\\F_o = < \frac{\sqrt{3} }{2} , - \frac{1}{2} > [ 2 ] \\\\F_o = < \sqrt{3} , - 1 >\)
- To prove that the projected forces ( \(F_o\) ) and ( \(F_p\) ) are correct we will apply the vector summation of the two orthogonal vector which must equal to the original vector < 0 , - 4 >
\(F = F_o + F_p\\\\< 0 , - 4 > = < \sqrt{3}, -1 > + < -\sqrt{3}, -3 > \\\\< 0 , - 4 > = < \sqrt{3} - \sqrt{3} , -1 - 3 > \\\\< 0 , - 4 > = < 0 , - 4 >\) .. proven
Why is 45 minutes
equal to 3/4 of an hour?
1 hour = 60 minutes
45 min = (45 min)/(60 min) = 45/60 = 3/4 of an hour.
To go from 45/60 to 3/4, I divided both top and bottom by the GCF 15.
Answer:
45 minutes equal to 3/4 of an hour because, if you convert the one hour into minutes (60 minutes) it is divisible by 15 four times.
3 · 15 = 45.
The population of a town increased from 3700 in 2005 to 5900 in 2009. Find the absolute and relative (percent) increase.
Absolute increase:
Relative increase:
%
The absolute increase in population is 2200, and the relative increase is approximately 59.46%.
To find the absolute and relative increase in population, we can use the following formulas:
Absolute increase = Final value - Initial value
Relative increase = (Absolute increase / Initial value) * 100%
Given the population in 2005 is 3700 and the population in 2009 is 5900, we can calculate the absolute and relative increase as follows:
Absolute increase = 5900 - 3700 = 2200
To calculate the relative increase, we need to divide the absolute increase by the initial value and then multiply by 100:
Relative increase = (2200 / 3700) * 100% ≈ 59.46%
Therefore, the absolute increase in population is 2200, and the relative increase is approximately 59.46%.
The absolute increase represents the actual difference in population count between the two years, while the relative increase gives us the percentage change relative to the initial value. In this case, the population increased by 2200 individuals, and the relative increase indicates that the population grew by approximately 59.46% over the given period.
Note that the relative increase is expressed as a percentage, which makes it easier to compare changes across different populations or time periods.
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Show how to factor the quadratic expression25x + 31x + 6 by completing the diamondgeneric rectangle on your notebook paper.identify the factored form of the expression.
Given data:
The given quadratic polynomial 5x^2 + 31x + 6.
Math. Please Help Me Answer All My Questions
Determine The Slope Of The Given Linear Equations
1. y=-3x=
2. y=-x+1
3. y=7x+2
4. y=2/3x-1
5. 6=180/100x+3
The slope of the linear equations are -3, -1, 7, 2/3 and 1.8 respectively
What is Slope of Linear EquationIn a linear equation, the slope is the rate of change of the dependent variable y, with respect to the independent variable x. It is usually represented by the letter m. The equation of the line is usually written as y = mx + c, where m is the slope and b is the y-intercept.
In the given problem, we have several linear equations which we are to determine the slope of each equation.
1) y = -3x
Using y = mx + c
m = slope
The slope is -3
2) y = -x + 1
Using y = mx + c
m = slope
m = -1
The slope is -1
3) y = 7x + 2
using y = mx + c
m = 7
The slope is 7
4) y = 2/3x - 1
using y = mx + c
m = 2/3
The slope is 2/3
5) y = 180/100x + 3
Using slope = y = mx + c
y = 1.8x + 3
The slope is 1.8
The slopes of -3, - 1, 7, 2/3 and 1.8 respectively.
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what is the answer to 5−2x^2=37
Answer:
x= 4i or -4i
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Hope this helped :)
Answer:
There are no Solutions to this answer.
Step-by-step explanation:
A set of equations with no solutions is called inconsistent if there is no simultaneous solution for the set.
Brainliest are always appreciated :)
A tank of water is being drained. Due to a problem, the sensor does not start working until some time into the draining process. The sensor starts its recording at time zero when there are 770 liters in the tank.
The complete table is given below.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
1)
Time after change in water expression water in tank
sensor starts
0 0 770 + (0)(-14) 770
1 -14 770 + (1)(-14) 756
5 -70 770 + (5)(-14) 700
10 -140 770 + (10)(-14) 630
2)
Time after change in water expression water in tank
sensor starts
1 -14 770 + (1)(-14) 756
0 0 770 + (0)(-14) 770
-1 14 770 + (-1)(-14) 784
-2 28 770 + (-2)(14) 798
-3 42 770 + (-3)(14) 812
-4 56 770 + (-4)(14) 826
-5 70 770 + (-5)(-14) 840
Thus,
The complete table is given above.
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The complete question is given below.
can anyone help me with this quickly please :)
To find the y-value that matches with the x-value, we will need to plug in the x-value and simplify the expression.
f(-2) = sqrt(-2 + 2) - 6
f(-2) = sqrt(0) - 6
f(-2) = -6
f(-1) = sqrt( -1 + 2) - 6
f(-1) = sqrt(1) - 6
f(-1) = 1 - 6
f(-1) = -5
f(2) = sqrt(2 + 2) - 6
f(2) = sqrt(4) - 6
f(2) = 2 - 6
f(2) = -4
f(7) = sqrt(7 + 2) - 6
f(7) = sqrt(9) - 6
f(7) = 3 - 6
f(7) = -3
Hope this helps!! :)
The cost of a jacket increased from $50.00 to $58.50. What is the percentage increase of the cost of the jacket?
The increase in percentage is 17 percent
Answer:
17%
58.50-50=8.5
8.5/50=0.17
0.17=17%
I hope this is good enough:
Please help me with the answer to this question
The answer as a result of the numerical expression above is B) 1/36
How to solve rank equationThis expression is rank number:
\(( {6}^{ - 4} ) {}^{ \frac{1}{2} } = 6 {}^{ - 2} = \frac{1}{ {6}^{2} } = \frac{1}{36}.
So the answer as a result of the numerical expression above is 1/36.
From these calculations it can be seen that the rank between what is inside the brackets and what is outside it can be multiplied.
In the question above the power of -4 multiplied by the power of ½ ( (-4×½) the result is -2.
So all that's left is 6⁻². Another form of 6⁻² is 1/6² or 1/36.
This refers to the exponential rule in mathematics, namely a⁻ⁿ can be written as 1/aⁿ.
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2.7x + 3.2x + x Can someone help me I’m stuck on this
Answer:
6.9x
Step-by-step explanation:
2.7x + 3.2x + x = So you combine like terms. Since they all have x after them, they are all like terms so you can add them all together. x = 1
Therefore, your answer is 6.9x
Computer systems analysts
Database administrators
Computer software engineers,
systems software
Gaming and sports book writers
and runners
Environmental science and
protection technicians, including
health
Manicurists and pedicurists
Physical therapists
Physician assistants
504
650
119 154
350 449
18 24
36
78
47
100
220
29.0
28.6
28.2
28.0
28.0
27,6
27.1
146
34
99
5
10
22
47
18
Bachelor's degree
Bachelor's degree
Bachelor's degree
Short-term on-thi
Associate degree
Postsecondary vocational award
Master's degree
Master's degree
173
66
83
27.0
Based on the above table, what is the fastest growing listed occupation for those without a college degree?
a. Gaming and sports book writers and runners
b. Dental assistants
c. Marriage and family therapists
d. Manicurists and pedicurists
Based on the above table , the fastest growing listed occupation for those without a college degree is Gaming and sports book writers and runners.
Therefore option A is correct.
What is a college degree?The college degree is described as a qualification awarded to students after completing the requirements for a specific course of study of which the two most common types of degrees are the Bachelor of Arts and Bachelor of Science.
With reference to the table, the occupations that do not require a college degree are:
Gaming and sports book writers and runnersEnvironmental science and protection technicians, including healthManicurists and pedicuristsWe were able to conclude that Based on the above table , the fastest growing listed occupation for those without a college degree is Gaming and sports book writers and runners with a rate of 24.6%.
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5(3square root x) + 9(3square root x)
Answer:
14 (3 sqrt x)
Step-by-step explanation:
A fair coin is tossed 12 times. How many different sequences of tosses could there have been, if the number of tosses was even.
The number of different sequences of tosses could there have been, if the number of tosses was even 1/2
How to determine the number of tosses?You should understand that the tosses involves a sequence which is an array of numbers in a particular order
The question reads thus How many different sequences of tosses could there have been, if the number of tosses was even.
Number of tosses = 12
The tosses are 1,2,3,4,5,6,7,8,9,10,11,12 = 12 Times
The even numbers are
2,4,6,8,10,12 = 6 times
The Probability of the toss is 6/12
Therefore the number of tosses equals 1/2
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Suppose a normal distribution has a mean of 50 and a standard deviation of 3. What is P(x≤ 44)? A. 0.025 B. 0.975 C. 0.84 D. 0.16
A normal distribution has a mean of 50 and a standard deviation of 3 , the probability P(X ≤ 44) = P(Z ≤ -2) = 0.0241 option a) 0.025.
In probability theory, normal distribution is also known as Gaussian distribution. It is a probability distribution that is symmetrical, bell-shaped, and a continuous probability distribution. It's also a part of continuous probability distribution that describes real-valued random variables whose probability density function is affected by two parameters: the mean μ and the variance σ².
Let us consider the problem. Suppose a normal distribution has a mean of 50 and a standard deviation of 3. Firstly, we need to standardize the random variable X that is to convert it to the standard normal distribution. We use the following formula for this Z = (X - μ) / σwhere X is the random variable and μ is the mean, σ is the standard deviation of the population.
So in this case, we can write this as Z = (44 - 50) / 3 = -2
We have now obtained the standard score or standard deviation for the random variable X.
Now we need to calculate the probability P(X ≤ 44) = P(Z ≤ -2).
The probability of Z being less than -2 is denoted by the area under the standard normal curve to the left of Z = -2.
Using the standard normal table we look for the probability that corresponds to -2 and the closest we find is 0.0228.
This probability represents the area under the standard normal distribution to the left of Z = -2.
To calculate the area to the left of Z = -2, we add the area to the left of the next integer, which is -3, which we find from the standard normal table as 0.0013, 0.0228 + 0.0013 = 0.0241.
Therefore, the probability P(X ≤ 44) = P(Z ≤ -2) = 0.0241 or 0.025 (rounded to three decimal places)Therefore, the answer is option A. 0.025.
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Identify the quadratic function(s). (Select all that apply.) 8 - 5x = 4(3x - 1) (4a + 2)(2a - 1) + 1 = 0 2y + 2(3y - 5) = 0 2b(b - 7) + b = 0
Answer: A quadratic function is a polynomial function of form f(x) = ax^2 + bx + c where a,b, and c are constants, and a is not equal to zero.
The given functions are:
8 - 5x = 4(3x - 1)
(4a + 2)(2a - 1) + 1 = 0
2y + 2(3y - 5) = 0
2b(b - 7) + b = 0
The quadratic function(s) among them are:
2. (4a + 2)(2a - 1) + 1 = 0
2b(b - 7) + b = 0
The first one 8 - 5x = 4(3x - 1) is linear and not a quadratic function, and the third one 2y + 2(3y - 5) = 0 is also linear, not a quadratic function.
Note that to identify a quadratic function, we can look for the pattern of x^2 or y^2 in the equation.
Also, we could expand the second degree polynomials in the form (ax^2+bx+c) and check if there are x^2 or y^2 term on both sides of the equation.
Step-by-step explanation:
Rick Rich owns a Mercedes dealership. Mercedes has 5 models, 4 standard options packages, and 5 colors. If Rick wants to immediately be able to deliver any car (model, option package, color), how many cars must Rick have on hand?
Rick would need to have at least 100 cars on hand to immediately be able to deliver any car (model, option package, color).
To immediately deliver any car, Rick Rich's dealership must have all possible combinations of Mercedes models, option packages, and colors in stock.
With five models, four option packages, and five colors, there are 5 x 4 x 5 = 100 possible combinations.
Therefore, Rick would need to have at least 100 cars on hand, each representing a unique combination of model, option package, and color. It's worth noting that having exactly 100 cars on hand would only allow Rick to deliver one of each possible combination, so it may be prudent to have additional inventory on hand to meet demand for more popular combinations.
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Does the graph represent a function? Why or why not ?
Answer:
A.
Step-by-step explanation:
The vertical line test is a way of finding out if a relation is a function.
Graph the relation.
Then imagine a vertical line moving from left to right over the graph of the relation.
If the vertical line intersects at most one point of the graph in any position you place the vertical line, then the relation is a function.
This function passes the vertical test since it never intersects more than one point on the vertical line at a time.
Answer: A.
Complete the table. Answer should be T or F.
P Q
T F P V Q P ^ Q P -> Q -P -Q -P V -Q -P -> Q -P -> -Q P <-> Q
F T P V Q P ^ Q P -> Q -P -Q -P V -Q -P -> Q -P -> -Q P <-> Q
P Q P V Q P ^ Q P -> Q -P -Q -P V -Q -P -> Q -P -> -Q P <-> Q
T T T T T F F F F F T T
F T T F F T T T T T F F
P F T F F T T T T T F F
-P T T F F T T T T T F F
-Q T T T T F T F F F T T
-P V -Q T T F F T T T T T F
-P -> Q T T F F T T T T T F
-P -> -Q T T F F T T T T T F
P <-> Q T T T T F T T T T F
Here is a more detailed explanation of how I filled out the table:
P | Q : This column is simply the truth value of P and Q. If P and Q are both true, then the entry in this column is T. If P is true and Q is false, then the entry in this column is F. If P is false and Q is true, then the entry in this column is F. And if P and Q are both false, then the entry in this column is T.
P V Q : This column is the truth value of P or Q. If P is true, then the entry in this column is T. If Q is true, then the entry in this column is T. And if P and Q are both false, then the entry in this column is F.
P ^ Q : This column is the truth value of P and Q. If P and Q are both true, then the entry in this column is T. And if P and Q are both false, then the entry in this column is F.
P -> Q : This column is the truth value of P implies Q. If P is true and Q is false, then the entry in this column is F. And if P is false or Q is true, then the entry in this column is T.
-P : This column is the negation of P. If P is true, then the entry in this column is F. And if P is false, then the entry in this column is T.
-Q : This column is the negation of Q. If Q is true, then the entry in this column is F. And if Q is false, then the entry in this column is T.
-P V -Q : This column is the truth value of not P or not Q. If P and Q are both true, then the entry in this column is F. If P and Q are both false, then the entry in this column is T. And if P or Q is true, then the entry in this column is T.
-P -> Q : This column is the truth value of not P implies Q. If P is true and Q is false, then the entry in this column is T. And if P is false or Q is true, then the entry in this column is F.
-P -> -Q : This column is the truth value of not P implies not Q. If P and Q are both true, then the entry in this column is T. If P is false or Q is false, then the entry in this column is T. And if P is true and Q is true, then the entry in this column is F.
P <-> Q : This column is the truth value of P if and only if Q. If P and Q are both true or P and Q are both false, then the entry in this column is T. And if P and Q have different truth values, then the entry in this column is F.
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A study by Consumer Reports showed that 64% of supermarket shoppers believe supermarket brands to be as good as national name brands. the manager of the Publix in Clemson believes 64% is too low for his own store, to investigate whether this result applies to its own store, SC asked a random sample of 100 shoppers whether they believed that supermarket brands were as good as the national brands, 52 believe the supermarket brands were as good as the national brands.
Required:
At the 10% significance level test the managers claim.
Answer:
The calculated value |Z| = |-2.5| >2.326 at 0.05 level of significance
The alternative hypothesis is accepted at a 0.05 level of significance
The manager of Publix in Clemson believes 64% is too high for his own store
Step-by-step explanation:
Step:-1
Given that the consumer Reports showed that 64% of supermarket shoppers.
Given that the population proportion
P = 0.64
Given that random sample size 'n' = 100
Given that 52 believe the supermarket brands were as good as the national brands.
sample proportion
\(p^{-} = \frac{x}{n} = \frac{52}{100} = 0.52\)
Step:-2
Null hypothesis: The manager of the Publix in Clemson believes 64% is too low for his own store
μ < 0.64
Alternative Hypothesis:H₁:μ > 0.64
Test statistic
\(Z = \frac{p-P}{\sqrt{\frac{PQ}{n} } }\)
\(Z = \frac{0.52-0.64}{\sqrt{\frac{0.64 X 0.36}{100} } }\)
Z = -2.5
Level of significance = 0.05
Z₀.₀₅ = 2.326
The calculated value |Z| = |-2.5| >2.326 at 0.05 level of significance
Final answer:-
The null hypothesis is rejected at a 0.05 level of significance
The alternative hypothesis is accepted at a 0.05 level of significance
For the three-part question that follows, provide your answer to each question in the given workspace. Identify each part with a coordinating response. Be sure to clearly label each part of
your response as Part A, Part B, and Part C.
Part A: Suppose event A and event B are mutually exclusive. Is the statement P(A and B)-0 true?
Part 9: Explain why or why not to support your answer to Part A.
Part C: Provide an example to support your explanation.
Part A :
Yes, the statement is true that P( A and B ) = 0 .
Given,
Event A and Event B are mutually exclusive.
Thus P ( A and B ) = 0
Part B:
A and B are mutually exclusive events if they do not occur at the same time.
This means that A and B do not share any common outcomes and
P(A and B) = 0.
Part C:
Let,
The sample space W = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}.
Let A = {1, 2, 3, 4, 5}, Y = {4, 5, 6, 7, 8}, and B = {7, 9}.
A and B do not have any numbers in common so P(A and B) = 0.
Hence, A and B are mutually exclusive.
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What is 7(w-8)-3(-5w-10)
Answer:
}{7(w-8)}}-3(-5w-10)
7(w−8)−3(−5w−10)
Answer:
22w - 26
\(\large \bold {Solution \: Steps}\)
Use the distributive property to multiply 7 by w−8.\(\small\textsf{7w−56−3(−5w−10)}\)
Use the distributive property to multiply −3 by −5w−10.\(\small\textsf{7w−56+15w+30}\)
Combine 7w and 15w to get 22w.\(\small\textsf{22w−56+30}\)
Add −56 and 30 to get −26.\(\small\textsf{22w - 26}\)
Hope It's Help
On a map, Luis's house is located at (-7, 6)
and Melvin's house is at (4,-5). What are the
coordinates for Raquel's home if she lives exactly
halfway between Luis and Melvin?
Step-by-step explanation:
There is no diagram how can we answer
how many time larger is 9x10^-8 than 3x10^-12
Step-by-step explanation:
\( \frac{9 \times 10 {}^{ - 8} }{3 \times 10 {}^{ - 12} } \)
Apply Quoteint of Powers. Divide the intergers. serpately.
Note that Quotient of Powers is
\( \frac{a {}^{x} }{a {}^{y} } = a {}^{x - y} \)
So the answer is
\(3 \times 10 {}^{ - 8 + 12} = 3 \times 10 {}^{4} \)
The answer is
\(3 \times 10 {}^{4} \)
or
\(30000\)
Answer:
30000(thirty thousand) times larger
Step-by-step explanation:
9×10⁸ is the same as 900000000
3×10-¹² is the same as 0.000000000003
(9×10⁸)÷(3×10-¹²)
9÷3=3
10⁸÷10-¹²=10⁴
3×10⁴ which is 30000
1) 0.52 + 1.6 + 8.26 =
2) 1.4 + 5.98 + 9 + 0.39 =
3) 4.45 + 7 + 0.049 =
4) 12.54 – 1. 054 =
5) 0. 685 – 0. 5903 =
6) (34. 89) (0.875) =
7) (840) (0.625) =
8) 28.5 ÷ 0.87 =
9) 104 ÷ 6.4 =
Step-by-step explanation:
1 10.38
2 16.77
3 11.499
4 11.486
5 0.0947
6 30.52875
7 525
8 32.57862069
9 16.5625
Simplify the f(x) and g(x)
Answer:
(fg)(x) = x^4 - x^3 + 15x^2 - 6x + 54
Step-by-step explanation:
We want to multiply and simplify as much as possible:
f(x) * g(x)
(x^2 + 6)(x^2 - x + 9)
(x^2 * x^2) + (x^2 * - x) + (x^2 * 9) + (6 * x^2) + (6 * - x) + (6 * 9)
Note that when you're multiplying exponents, we add them:
x^4 + - x^3 + 9x^2 + 6x^2 - 6x + 54
Now we add 9x^2 and 6x^2 as they are like terms:
x^4 - x^3 + 15x^2 - 6x + 54
Thus, (fg)(x) simplified is x^4 - x^3 + 15x^2 - 6x + 54.
Optional: Check the validity of the answer:
We can check that our answer is correct by plugging in a number for x in both the unsimplified and simplified expression and seeing if we get the same answer. Let's try 5:
Plugging in 5 for x in (x^2 + 6)(x^2 - x + 9):
(5^2 + 6)(5^2 - 5 + 9)
(25 + 6)(25 - 5 + 9)
(31)(20 + 9)
(31)(29)
899
Plugging in 5 for x in x^4 - x^3 + 15x^2 - 6x + 54:
5^4 - (5)^3 + 15(5)^2 - 6(5) + 54
625 - 125 + 15(25) - 30 + 54
625 - 125 + 375 - 30 + 54
500 + 375 - 30 + 54
875 - 30 + 54
845 + 54
899
Thus, our answer is correct.
Find the 61st term of -12, -28, -44,
Answer:
\(a_{61}=-972\)
Step-by-step explanation:
Arithmetic Sequences
The arithmetic sequences are identified because any term n is obtained by adding or subtracting a fixed number to the previous term. That number is called the common difference.
The equation to calculate the nth term of an arithmetic sequence is:
\(a_n=a_1+(n-1)r\)
Where
an = nth term
a1 = first term
r = common difference
n = number of the term
We are given the first terms of a sequence:
-12, -28, -44,...
Find the common difference by subtracting consecutive terms:
r = -28 - (-12) = -16
r = -44 - (-28) = -16
The first term is a1 = -12. Now we calculate the term n=61:
\(a_{61}=-12+(61-1)(-16)\)
\(a_{61}=-12-60*16=-12-960\)
\(\mathbf{a_{61}=-972}\)
3X is less than or equal to -5/4
Answer: x is less than or equal to -5/12
Step-by-step explanation:
it is -5/12 because to isolate x you need to divide both sides by 3