The number of solutions that are viable is; D: There are 2 solutions and only 1 is viable.
How to create a system of equations?For the Rose Only Aisle;
Let the bouquets of roses be X.
Let the number of roses per bouquet be r.
Thus;
Number of bouquets of roses = Xr - 4
Number of rose Aisles = 6
Number of bouquets of dahlias = 2
Patio seating area;
Number of bouquets of roses = 4
Number of bouquet of dahlias (d) = 8
For the rose only aisle, the equation is;
6(Xr - 4r) + 2d = 100
For the patio seating area, equation for number of flowers is;
4r + 8d = 132
We can see the two simultaneous equations and we can solve for r and d but only one of them will be viable.
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hey, anyone bother to solve this??
x = 114.
Hope this helps!!
pls help on this question it's due today
A training field is formed by joining a rectangle and two semicircles, as shown below. The rectangle is 85m long and 57m wide. What is the length of a training track running around the field? (Use the value 3.14 for , and do not round your answer. Be sure to include the correct unit in your answer.)
Answer:
The semi-circles form an entire circle with a diameter of 74.
The radius is 37
The area of the rectangle is 95 x 74 = 7030
The area of the circle is 3.142 x 37*37 = 4298.66
The total area is 11328.66
Find the ordered pairs for the x- and y-intercepts of the equation 3x − 2y = 18 and select the appropriate option below. (5 points)
Group of answer choices
The x-intercept is (0, 6); the y-intercept is (–9, 0).
The x-intercept is (6, 0); the y-intercept is (0, –9).
The x-intercept is (3, 0); the y-intercept is (0, –2).
The x-intercept is (0, 3); the y-intercept is (–2, 0).
Answer:
the answer is b: (6,0) and (0,-9)
A professional painter knows that it takes 0.29 ounces of the paint he prefers to cover 1 square foot of wall. If he calculates that he will need 92.8 ounces of paint to cover an 8-foot wall, then how wide is the wall he is planning to paint?
Answer:
The wall is 40 feet wide.
Step-by-step explanation:
92.8 / 0.29 = 320 square feet
320 / 8 = 40 feet
Consider the line y=9x-4 find the equation of the line that is perpendicular to this line
Answer:
The slope is -1/9
Step-by-step explanation:
There are endless possibilities of equations, but if slope is what you're asking for, the slope of a line perpendicular to another is its opposite reciprocal, which is basically the number that when multiplied to the other slope is equivalent to -1. 9 * (-1/9) is -1, which means that it is the opposite reciprocal.
Answer: The slope is -1/9, there are endless amounts of equations that are perpendicular to the line, but the thing that they all have in common is a slope of -1/9.
In data analytics, a _____ refers to all possible data values in a certain dataset
In data analytics, a population refers to all possible data values in a certain dataset.
What is data analytics?Data analytics is a set of procedures and processes for examining datasets in order to draw conclusions from the information they contain, often aided by specialized systems and software. Organizations use data analytics to aid decision-making, increase efficiency, and evaluate outcomes.
The population and sample are two concepts in statistics. The population and sample are two concepts in statistics. The population is the entire set of objects or individuals being studied, while the sample is a subset of the population that is chosen for analysis. The sample is a subset of the population, chosen at random or according to some other criteria in order to represent the population as a whole.
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domain of :f(x)=x^2-11x-10
The domain of the function :f(x)=x^2-11x-10 is expressed as D = (-∞, ∞)
What is the domain and range of the function?The domain of a function is defined as the set of all the possible input values that are valid for the given function.
The domain of a function is the value of the input 'x' for which the given function exists here.
Given the function f(x)= x^2-11x-10
Therefore, the domain of the function exists on all real numbers.
Which is the function will exist for any given value of x.
Hence, the domain of the function is D = (-∞, ∞)
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in a class in which the final course grade depends entirely on the average of four equally weighted 100-point tests, mark has scored 90, 86, and 85 on the first three. what range of scores on the fourth test will give mark a c for the semester (an average between 70 and 79, inclusive)? assume that all test scores have a non-negative value.
Answer:
b/w 19 & 55
Step-by-step explanation:
average of four equally weighted 100-point tests,
mark has scored 90, 86, and 85 on the first three.
C average = 70 and 79
90+86+85+x = 4*70 = 280, so x=19
90+86+85+x = 4*79 = 316, so x=55
Nelson applies two transformations to WXYZ so that the final vertices of the transformed figure
are located at (-2,0), (2, 0), (2,-6) and (0,-2).
Which transformations could be the two transformations Nelson applies to WXYZ?
first transformation:
second transformation:
First transformation: Reflection across the y-axis
Second transformation: Vertical translation down by 12 units.
What is coordinate?A coordinate is a value that specifies the position of a point in a particular system or framework of reference. Coordinates are typically expressed as numerical values that describe the location of a point in relation to some predefined origin, axis, or set of reference points. The most common type of coordinate system is the Cartesian coordinate system, which uses two or three axes to describe points in a plane or in three-dimensional space, respectively. In this system, coordinates are typically expressed as ordered pairs (for two-dimensional points) or ordered triplets (for three-dimensional points), such as (x, y) or (x, y, z), where x, y, and z represent the distances along each axis from the origin. Other types of coordinate systems include polar coordinates, cylindrical coordinates, and spherical coordinates, which are used in various branches of mathematics and science to describe points in different contexts.
To find the two transformations, we can use the fact that applying multiple transformations to a figure is the same as applying a single transformation that is the composition of the individual transformations.
Let's start with the final vertices of the transformed figure: (-2,0), (2, 0), (2,-6), and (0,-2).
We can see that the first two vertices have the same x-coordinate and are located on the x-axis. This suggests a reflection across the y-axis, which would swap the x-coordinates of the vertices.
So, the first transformation is a reflection across the y-axis.
After this transformation, the transformed figure has vertices (-WXYZ).
Next, we need to find the second transformation that maps WXYZ to (-WXYZ) with the given final vertices.
We can see that the vertex (2,-6) has a lower y-coordinate than the other three vertices. This suggests a vertical translation that moves this vertex down to its final position.
To determine the amount of vertical translation, we can subtract the y-coordinate of the vertex in its initial position (6) from the y-coordinate of the vertex in its final position (-6), which gives a total downward movement of 12 units.
So, the second transformation is a vertical translation down by 12 units.
Therefore, the two transformations that Nelson applies to WXYZ are a reflection across the y-axis followed by a vertical translation down by 12 units.
First transformation: Reflection across the y-axis
Second transformation: Vertical translation down by 12 units.
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Write the point-slope form of the equation of the line through the given point with the given slope. through: (2, 2), slope = 3
Answer:
y-2=3(x-2)
Step-by-step explanation:
point slope form:
y-y₁=m(x-x₁)
y-2=3(x-2)
PLLZZZZZZZZZZZZ WILL GIVE BRAINLIEST!!
2b + 8 -5b + 3= -13 + 8b - 5 b=
2x + 7 - 5x + 8 = 3(5 + 6x) - 12x x=
2c - 3 = 2(6 - c) + 7c c=
Answer:
B=4
x=0 or x= 4/7
c= -5
Step-by-step explanation:
Answer:
b = 4
x = 1.75
c =2+i√101 7 , 2 − i √101 7
Step-by-step explanation:
In a class of 34 students,19 of them are girls.
What percentage of the class are girls?
Give your answer to 1 decimal place
Answer:
55.9%
Step-by-step explanation:
To find the percentage of girls in the class, we can use the following formula:
Percentage = (Number of girls / Total number of students) * 100
Number of girls = 19
Total number of students = 34
Percentage = (19 / 34) * 100
= 55.88235 % ≈ 55.9 % ( rounded off to one decimal place)
please help it is due today
Answer:
5/6
Step-by-step explanation:
82% into decimal is 0.82
while 5/6 is 0.83
according to the number line system, 0.83 is greater than 0.82.
Trudy invested $3,200 into an account that will increase in value by 2.5% each year. Write an exponential function to model the situation, then find the
value of the investment after 10 years?
Answer:
Example: Suppose you give $100 to a bank which pays you 10% compound interest at the end of every year. After one year you will have $100 + 10% = $110, and after two years you will have $110 + 10% = $121.
compound interest image
Problem:
If you deposit $4500 into an account paying 7% annual interest compounded semi anualy , how much money will be in the account after 9 years?
Result:
The amount is $8358.7 and the interest is $3858.7.
Explanation:
STEP 1: To find amount we use formula:
A = total amount
P = principal or amount of money deposited,
r = annual interest rate
n = number of times compounded per year
t = time in years
In this example we have
After plugging the given information we have
STEP 2: To find interest we use formula , since 8358.7 P = we have:
3858.7
Step-by-step explanation:
c^4/c^3 please can you tell me
Answer:
3.71140109 × 10-26 s7 A4 / m3
Step-by-step explanation:
17.82 + 6.4 =
???????
Answer:
24.22
Step-by-step explanation:
simple addition right lol
Answer:
24.22
Step-by-step explanation:
!!!!!!!!!!!
What is the frequency of each interval?
81, 65, 2, 24, 25, 44, 97, 12, 38, 37
Question 5 options:
81 - 100
61 - 80
1 - 20
21 - 40
41 - 60
1.
1
2.
2
3.
3
4.
4
5.
5
1 - 20, 21 - 40, 41 - 60, 1.1, 2.2, 3.3, 4.4, 5.5
4 In a survey, 70% of homes were on the internet.
Of these homes, 70% had broadband.
There are 2450 homes with broadband internet.
How many homes were included in the survey?
Answer:
hi
Step-by-step explanation:
Match the following equation to the correct situation.
A + A(8%) = A(1.08)
A.
the amount donated by a company which gives 8% of A dollars collected at a charity banquet
B.
the amount Tonya owes after putting 8% down on an A home
C.
the amount Jess owes Julie from borrowing A with 8% interest
D.
the amount Ryan paid for two shirts, one was full price for A, the other was discounted 8%
A + A(8%) = A(1.08) matches the amount Jess owes Julie from borrowing A with 8% interest .
Let the amount Jess owes Julie = A
The interest rate on amount is 8%
Total amount to be paid = The amount taken + 8% on the amount taken
Total amount to be paid = A + 8% of A
Total amount to be paid = A + 0.08A
Total amount to be paid = 1.08A
Hence the correct situation which matches the equation A + A(8%) = A(1.08) is the amount Jess owes Julie from borrowing A with 8% interest .
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Jared bought 7 cans of paint. A can of red paint costs $3. 75. A can of red paint costs $2. 75. Jared spent $22 in all. How many cans of red and black paint did he buy?
Jared bought 7 cans of paint. Let the number of red paint cans that Jared bought be x. The number of black paint cans he bought would be 7 - x. A can of red paint costs $3.75 and a can of black paint costs $2.75.
He spent $22 in all. Therefore we can write:3.75x + 2.75(7 - x) = 22 Multiplying out the second term and collecting like terms gives:0.5x + 19.25 = 22Subtracting 19.25 from both sides:0.5x = 2.75Dividing by 0.5:x = 5.5Since Jared can't buy half a can of paint, we should round the answer to the nearest integer. Hence, he bought 5 cans of red paint and 2 cans of black paint. The total cost of the 5 cans of red paint would be 5 x $3.75 = $18.75.The total cost of the 2 cans of black paint would be 2 x $2.75 = $5.50.The total cost of all 7 cans of paint would be $18.75 + $5.50 = $24.25.We spent more than Jared's budget. The value of $24.25 exceeds Jared's budget of $22. Hence, there is a problem with this problem statement.
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The diagram shows a triangle. What is the value of z?
Answer:
z = 53
Step-by-step explanation:
Comment
The three angles of any triangle add up to 180o. There are no exceptions to this rule.
Formula
2z + z - 15 + 36 = 180 Combine like terms on the left.
Solution
3z + 21 = 180 Subtract 21 from both sides
3z + 21 - 21 = 180 - 21 Combine
3z = 159 Divide both sides by 3
z = 53
Factor expressions x^2+4x+4
Answer:
Your answer is:
(x+2)^2
Factor x2+4x+4
x2+4x+4
The middle number is 4 and the last number is 4.
Add together to get 4
Multiply together to get 4
2+2 = 4
2*2 = 4
(x+2)(x+2) or (x+2)^2
An urn contains 11 white balls and 5 green balls. A sample of seven is selected at random. What is the probability that the sample contains at least one green ball
The probbaility that the sample conatins at least one green ball is 0.90.
Let E be the event that denotes that the sample conatins at least one green.
According to the given question.
Total number of balls in an urn = 11 + 5 = 16
Total number of white balls = 11
Total number so green balls = 5
Now, the number of ways of selecting 7 balls from 16 balls
= \(^{16} C_{7}\)
= 16!/(7!9!)
= 11440
And the total number of ways of selecting 7 balls which contain atleast on green ball = \(^{11} C_{6} \times \ ^{5} C_{1} + ^{11} C_{5} \times \ ^{5} C_{2} + ^{11} C_{4} \times \ ^{5} C_{3} +^{11} C_{3} \times \ ^{4} C_{4}+^{11} C_{2} \times \ ^{5} C_{5}\)
= \(\frac{11!}{6!5!} \times \frac{5!}{1!4!} +\frac{5!}{2!3!} \times\frac{11!}{5!6!} +\frac{11!}{7!4!} \times\frac{5!}{3!2!} +\frac{11!}{8!3!} \times\frac{4!}{4!0!} +\frac{11!}{9!2!} \times\frac{5!}{0!5!}\)
= 452 × 5 + 10 × 452 + 330 × 10 + 165×1 + 55 ×1
= 2260 + 4520 +3300 + 165 + 55
= 10300
Thereofore, the probability that the sample conatins at least one green ball is given by
P(E) = (total number of ways of selecting 7 balls which contain atleast on green ball) / (the number of ways of selecting 7 balls from 16 balls )
⇒ P(E) = 10300/11440
⇒ P(E) = 0.90
Hence, the probbaility that the sample conatins at least one green ball is 0.90.
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Which of the following are the assumptions of an ANOVA? Mark all that apply.Group of answer choicesIndependenceAt least 5 in each groupAt least 10 in each groupSame or similar Variance
The assumptions of an ANOVA (Analysis of Variance) include:
1. Independence: The observations within and between groups must be independent of each other, meaning the outcome of one observation should not influence the outcome of another.
2. Same or similar variance: The variances of the populations from which the samples are drawn should be approximately equal. This is also known as homogeneity of variance or homoscedasticity.
The options "at least 5 in each group" and "at least 10 in each group" are not assumptions of ANOVA. However, having an adequate sample size in each group is essential for the validity and power of the statistical test, but there is no specific requirement of 5 or 10 in each group. It is generally recommended to have a balanced design, with equal or nearly equal sample sizes across all groups.
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The sum of three consecutive even numbers is 48. What is the biggest of these numbers?
Answer:
The greatest number is 18.
Step-by-step explanation:
consecutive: following one after the other
48 ÷ 3 = 16
16 would be the middle number
14 : 16 : 18
14 = smallest number
16 = middle number
18 = biggest number
14 + 16 + 18 = 48
In a recent experiment conducted by the Department of Energy, light bulbs were tested to measure how long they lasted. Each company submitted 20 light bulbs, which were turned on and left on until they burned out. Here were the results:
-All 20 "Super Bright" light bulbs burned out after exactly 1,500 hours.
-The first "Delightful Bright" light bulb burned out after 1,200 hours, and one additional bulb burned out every 50 hours until they were all burned out.
-One of the "Pretty Bright" light bulbs burned out after just 16 hours. The other 19 bulbs lasted between 1,900 and 2,000 hours.
Which of the following is true?
Choose all answers that apply:
A. Super Bright and Pretty Bright light bulbs cannot possibly have the same mean light bulb life.
B. The interquartile range of light bulb life for Delightful Bright is greater than the interquartile range for Pretty Bright.
C. The distribution of Delightful Bright light bulb life is skewed right.
D. Super Bright light bulbs have the smallest standard deviation for light bulb life among the three types of bulbs.
The correct options regarding the distributions are given as follows:
A. Super Bright and Pretty Bright light bulbs cannot possibly have the same mean light bulb life.
B. The interquartile range of light bulb life for Delightful Bright is greater than the interquartile range for Pretty Bright.
D. Super Bright light bulbs have the smallest standard deviation for light bulb life among the three types of bulbs.
MeanThe mean of a distribution is given by the sum of all observations divided by the number of observations.
For the Super Bright light builds, the mean is given as follows:
Ms = 20 x 1500/20 = 1,500 hours.
For the Pretty Bright lights, the minimum mean is given as follows:
Mp = (16 + 19 x 1900)/20 = 1,805.8 hours
This mean is greater than 1,5000 hours, hence option A is correct.
Interquartile rangeThe interquartile range (IQR) of a distribution is given by the difference between the third quartile and the first quartile of a distribution.
For each distribution, the IQR is given as follows:
Super Bright: 0. (all at 1500).Delightful Bright: 500. (difference of 50 between the 5th observation and the 15th observation).Pretty Bright: less than 100, as the outlier does not count for the IQR.Skewness of Delightful BrightThe delighful bright distribution has a constant increase of 50 in the duration of each bulb, hence the distribution is symmetric around the mean and option c is incorrect.
Standard deviationThe standard deviation is given by the square root of the sum of the differences squared between each observation and the mean.
Since the Super Bright measures are all equal, their standard deviation has the lowest possible value, and option D is correct.
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The penny size of a nail indicates the length of the nail. The penny size d
is given by the literal equation d=4n−2
, where n
is the length (in inches) of the nail.
a. Solve the equation for n
n=
b. Use the equation from part (a) to find the lengths of nails with the following penny sizes: 3, 6, and 10.
A 3-penny nail is__inches.
A 6-penny nail is__inches.
A 10-penny nail is__inches.
By working with the given linear equation we will see that:
a) n = (d + 2)/4
b)
A 3-penny nail is_5/4_inches.A 6-penny nail is_2_inches.A 10-penny nail is_3_inches.How to solve the equation for n?
Here we have the linear equation:
d = 4n - 2
We want to solve it for n, it means that we need to isolate n in one side of the equation.
If we first add 2 in both sides of the equation, and then we divide both sides by 4, we will get:
d + 2 = 4n
(d + 2)/4 = n
That is the equation solved for n.
b) The penny size is d, and n is the length of the nail, then:
if d = 3, we have:
n = (3 + 2)/4 = 5/4
if d = 6, then:
n = (6 + 2)/4 = 2
if d = 10, then:
n = (10 + 2)/4 = 3
Thus:
A 3-penny nail is_5/4_inches.A 6-penny nail is_2_inches.A 10-penny nail is_3_inches.if you want to learn more about linear equations:
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Can you answer this and simplify this?
Btw, the a, b, c stuff is the numbers, just replace each of them with the numbers including the powers. Where there is not a power put 1
Answer and Step-by-step explanation:
The length of the rectangle is 3 + w (w represents the width).
The polynomial representing the area of the rectangle:
a (area) = w(3 + w) = w^2 + 3w
A)
a = 1
b = 2
c = 3
d = 1
B)
w = 4
(4)^2 + 3(4) = 8 + 12 = 20
e = 20
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I hope this helps!
If the yield to maturity on an annual-pay bond is 7.75%, the bond-equivalent yield isclosestto:A. 7.61%.B. 7.90%.C. 8.05%.
The bond yield that comes closest to 7.75%, the amount yield to maturity on an annual-pay bond, is 7.61%.
A. The bond yield that comes closest to 7.75%, the yield to maturity on an annual-pay bond, is 7.61%. A measure of return that considers the market parameters used to determine the return from an investment in a bond is called the bond-equivalent yield. It accounts for the time value of money, the coupon rate, and the current market rate to determine the yearly rate of return that would be generated if the bond were kept for a year. When comparing bonds with differing coupon rates and maturities, the bond-equivalent yield is utilised. It is a helpful tool for investors who want to compare various bonds and decide on their investments with knowledge.
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