Hi! If you’re good at geometry I’d reallyy really appreciate some help I only need to know if something is correct and if not I’m hoping to get a quick explanation:)
Answers
Answer:
I probably think it's 55 degrees
Related Questions
i hate doing my brothers work what is it?
Answers
Answer:
The answer is -0.7
Step-by-step explanation:
is the right answer
Answer:
-0.7
Step-by-step explanation:
Multiply-
Or use a calculator-
Jorge walked 25 steps north. then he walked 75 steps south what is Jorges final position
Answers
Answer:
If Jorge goes up 25 (positive) and then goes 75 steps south (negative). Then you have to calculate 25-75. This equals -50. We know negative distance is south so he's final position will be 50 steps south.
Step-by-step explanation:
Can someone please help me :(
I’ll mark you as a brainliest :)!
Answers
Answer:
The photo looks blurry but Imma say its C.
Step-by-step explanation:
because the starting point is 2 and its growing by the rate of one every time.
find the sum of the first 50 odd numbers
Answers
2. Solve each of the following then check:
a. 2^4x = 4^y+3
b. 9^4x = 27^x-1
Answers
a. 2^(4x) = 4^(y+3)
We can rewrite 4 as 2^2:
2^(4x) = (2^2)^(y+3)
Using the exponent rule for a power of a power, we get:
2^(4x) = 2^(2(y+3))
Since the bases are the same, the exponents must be equal:
4x = 2(y+3)
4x = 2y + 6
2x = y + 3
y = 2x - 3
Substituting this value of y back into the original equation, we get:
2^(4x) = 4^(y+3)
2^(4x) = 4^(2x)
Taking the square root of both sides:
2^(2x) = 2^(4x/2)
2^(2x) = 2^(2x)
This equation is true for all values of x and y. Therefore, the solution is:
y = 2x - 3
b. 9^(4x) = 27^(x-1)
We can rewrite 27 as 3^3:
9^(4x) = (3^3)^(x-1)
Using the exponent rule for a power of a power, we get:
9^(4x) = 3^(3(x-1))
Simplifying:
3^(2(4x)) = 3^(3(x-1))
Taking the logarithm base 3 of both sides:
2(4x) = 3(x-1)
8x = 3x - 3
5x = -3
x = -3/5
To check, we substitute x = -3/5 back into the original equation:
9^(4(-3/5)) = 27^((-3/5)-1)
9^(-12/5) = 27^(-8/5)
Taking the cube root of both sides:
3^(-4/5) = 3^(-8/5)
This equation is true, so the solution is:
x = -3/5
Printer A prints 36 pages every 1.5 minutes. Printer B prints 114 pages every 3 minutes.
Printer C prints 115 pages every 5 minutes Which printer prints the fastest?
Answers
Answer:
printer A- 36/1.5
printer B- 114/3
printer C- 115/5
first, multiply 1.5 x 10, 3 x 5, and 5 x3
you should get 15 for each.
once you have the denominators all done, multiply the numerators by the value you multiplied the denominator by and you should have your answer.
so all in all, printer B prints the fastest
please mark brainliest
Subtract.
7 4/6 - 5 5/6=
Answers
Answer:
7 4/6 - 5 5/6 = 1.83 or 1 5/6
Hope This Helps!
what is the least common multiple of 8 and 32?
Answers
Answer:
The least common multiple of 8 and 32?
Answer=32
Step-by-step explanation:
1-Find the prime factorization of 8
8=2×2×2
2-Find the prime factorization of 32
32=2×2×2×2×2
3-Multiply each factor the greater number of times it occurs in steps 1 or 2 above to find LCM
LCM=2×2×2×2×2
4-LCM=32
Here is a rectangle with length 5 units and width 2 units.
1. What is the area of the rectangle?
2. Dilate rectangle ABCD from point A by a scale factor of 2. Calculate the area of the image.
3. Dilate rectangle ABCD from point A by a scale factor of 3. Calculate the area of the image.
Answers
This refers to the ratio between the scale of a given original object and a new object. It is its representation but of a different size (bigger or smaller). For example, if we have a rectangle of sides 2 cm and 4 cm, we can enlarge it by multiplying each side by a number, say 2.
Solving for the area and scale factor we have:
L= 5 units
W = 2 units
The area of the rectangle =L * WA = (5 x 2)
A = 10 square units.
If the rectangle is dilated from point A by a scale factor of 2, the area of the image:A= (Scale factor of L * W)* L * W
= (2 x 2 x 5 x 2)
A = 40 square units.
If the rectangle is dilated from point A by a scale factor of 3, the area of the image is:A= (Scale factor of L * W)* L * W
= (3 x 3 x 5 x 2)
A= 90 square units
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Which of the following is an arithmetic sequence?
A. 2, 4, 8, 16, ...
B. -8, -6, -4, -2, ...
C. -2, 4, -6, 8, ...
Answers
Answer:
B
Step-by-step explanation:
Brainliest please, thanks :)
What is the answer ?
Answers
Answer:
The answer for Q35 is : 176 cubic feet
Step-by-step explanation:
V = 16×3×2+16×5
= 96 + 80
= 176 cubic feet
Which of the following is not a valid point of companion between histograms and graph? A. Histograms always have vertical bars, while bar graphs can be either horizontal or vertical B. The bars in a histogram touch, but the bars in a bar graph do not have to touch C. Histograms represent quantitative data, while bar graphs representative qualitative data d. The width of the bars of a histogram is meaningful while the width at the bars in a bar graph is not
Answers
The option that is not a valid point of comparison between histograms and graphs is: C. Histograms represent quantitative data, while bar graphs represent qualitative data.
Histograms are a way of displaying data in a graph that gives an idea of the frequency distribution of that data.
It is a graphical representation of numerical data that is divided into segments or bins.
They are a sort of bar graph where the bars represent the frequency distribution of the data.
How do histograms work?
Histograms represent the frequency distribution of data in a visual format.
It is done by dividing the data into segments and plotting their frequency distribution using vertical bars.
The bars' height is proportional to the number of data points that fall within that range, while the bars' width represents the range of values the data encompasses.
Additionally, the bars in histograms touch since they represent a continuous range of values, whereas in bar graphs, they don't have to.
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Births in a hospital occur randomly at an average rate of 1.8 births per hour and follow the Poisson distribution What is the probability of observing no birth in a given hour at the hospital? Please round your answer to 3 decimal places.
Answers
The probability of observing no births in a given hour at the hospital is approximately 0.165, or 16.5% when rounded to 3 decimal places.
To find the probability of observing no births in a given hour at the hospital, we'll use the Poisson distribution formula:
P(X = k) = (e^(-λ) * λ^k) / k!
Here, λ (lambda) is the average rate of births per hour (1.8), k is the number of births we want to find the probability for (0 in this case), and e is the base of the natural logarithm (approximately 2.71828).
Step 1: Plug in the values: P(X = 0) = (e^(-1.8) * 1.8^0) / 0!
Step 2: Calculate e^(-1.8) ≈ 0.1653
Step 3: Calculate 1.8^0 = 1
Step 4: Calculate 0! (0 factorial) = 1
Step 5: Substitute the calculated values back into the formula: P(X = 0) = (0.1653 * 1) / 1
Step 6: Simplify the equation: P(X = 0) = 0.1653
The probability of observing no births in a given hour at the hospital is approximately 0.165, or 16.5% when rounded to 3 decimal places.
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cnnbc recently reported that the mean annual cost of auto insurance is 1007 dollars. assume the standard deviation is 241 dollars. you take a simple random sample of 99 auto insurance policies. find the probability that a single randomly selected value is less than 971 dollars.
Answers
Using the normal distribution, the probability that a single randomly selected value is less than 971 dollars is 0.2123.
In the given question,
CNNBC recently reported that the mean annual cost of auto insurance is 1007 dollars.
The standard deviation is 241 dollars.
We take a simple random sample of 99 auto insurance policies.
We have to find the probability that a single randomly selected value is less than 971 dollars.
From the question,
Mean = 1107 dollars
Standard Deviation = 241 dollars
So the probability that a single randomly selected value is less than 971 dollars.
Using the normal distribution
z = (x−mean)/Standard Deviation
P(x<971) = P(z<(973−1107)/241)
Simplifying
P(x<971) = P(z<(−134)/241)
P(x<971) = P(z<−0.56)
P(x<971) = 0.2123
Hence, the probability that a single randomly selected value is less than 971 dollars is 0.2123.
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Which of the following are solutions to the quadratic equation below?\( {x}^{2} + 8x = 9\)Check all that apply.
![Which of the following are solutions to the quadratic equation below?[tex] {x}^{2} + 8x = 9[/tex]Check](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/JxDnsIDg3BoMiMgwI5sDBo56Xiuol3rn.png)
Answers
Given:
There are given the equation:
\(x^2+8x=9\)
Explanation:
According to the question:
We need to find the solution to the given quadratic.
Then,
To find the solution, we will use the quadratic equation formula.
\(x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\)Then,
From the equation:
\(x^2+8x-9=0\)Where,
\(a=1,b=8,c=-9\)Then,
Put all the value into the formula:
\(\begin{gathered} x=\frac{-b\pm\sqrt{b^2-4ac}}{2a} \\ x=\frac{-8\pm\sqrt{(8)^2-4\times1\times(-9)}}{2\times1} \\ x=\frac{-8\pm\sqrt{64+36}}{2} \end{gathered}\)Then,
\(\begin{gathered} x=\frac{-8\pm\sqrt{64+36}}{2} \\ x=\frac{-8\pm\sqrt{100}}{2} \\ x=\frac{-8\pm10}{2} \end{gathered}\)Then,
\(\begin{gathered} x=\frac{-8\pm10}{2} \\ x=-\frac{8+10}{2},\frac{-8-10}{2} \\ x=\frac{2}{2},\frac{-18}{2} \\ x=1,-9 \end{gathered}\)Therefore, the solution of the given quadratic equation:
\(x=1,-9\)Final answer:
Hence, the correct options are B and E.
A town in east texas received 10 inches of rain in two weeks. if it kept raining at this rate for a 31-day month, how much rain did the town receive.
Answers
Answer:
22.1 inches of rain
Step-by-step explanation:
The best way to approach this problem is to find out how much fell in week. As you know what two weeks is, you simply have to halve this, giving you that one week is 5 inches of rain. One you have this, you can multiply this by 4 (as this will give you 4 weeks, or 28 days), and this gives you 20 inches in 28 days. You should then find the odd three days. If you divide 5 by 7, this will give you the rain fall in one day. 5/7= 0.8 inches per day. You then have top multiply this by 3 (as you've got three odd days), and this gives you 2.4. You then have to add together 2.4 and 20, giving you 22.4
Therefore, if the rain continued to fall at the same rate for 31 days, it would receive 22.1 inches of rain.
Round 1,234.805 to the nearest whole number
Answers
Answer:
1235
Step-by-step explanation:
Please brainliest
Answer:
the is 1235 hope this helps
Step-by-step explanation:
Attempt 2 Select the true statement(s). As the sample size n increases, the distribution of the sum of the observations approaches a normal distribution. The sample mean varies from sample to sample. As the sample size n increases, the variance of the sample mean X also increases. The distribution of the mean X is never exactly normal. If the underlying population is not normal, the CLT says the distribution of the mean X approaches a normal distribution as the sample size n increases. Incorrect
Answers
Based on the terms you provided, I can help you identify the true statement(s):
1. As the sample size n increases, the distribution of the sum of the observations approaches a normal distribution.
2. The sample mean varies from sample to sample.
3. If the underlying population is not normal, the Central Limit Theorem (CLT) states that the distribution of the sample mean X approaches a normal distribution as the sample size n increases.
These statements are true. Note that the statement "As the sample size n increases, the variance of the sample mean X also increases" is incorrect, as the variance of the sample mean actually decreases when the sample size increases. Additionally, the statement "The distribution of the mean X is never exactly normal" is not universally true, as the distribution of the mean can be exactly normal under specific circumstances.
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Solve the following equation. Express your answer as an integer, simplified fraction, or decimal rounded to two decimal places.
−1=−2v+15
Answers
Answer:
v=8
Step-by-step explanation:
in order to isolate the variable from the numbers, you add 2v to both sides. Then, you add 1 to both sides because you want to leave the numbers on one side, and the variables on the other. You then get 2v=16 and you divide both sides by 2 to get v by itself.
-1=-2v+15
+2v. +2v
-1+2v=15
+1. +1
2v=16
2v÷2=16÷2
v=8
parallel perpendicular or neither
Answers
Answer: perpendicular
Step-by-step explanation: an opposite reciprocal makes it perpendicular.
example
1/2 and -2 are opposite reciprocals
1/2 and 1/2 are parallel
1/2 and -4/3 are neither
Answer:
The answer is perpendicular
Rationalize the denominator a. b. 2a 1+ √2 √5-2
Answers
The rationalized form of the expression is 2a√5 + 4a.
To rationalize the denominator of the expression 2 / (1 + √2), we can multiply the numerator and denominator by the conjugate of the denominator, which is 1 - √2.
2 / (1 + √2) * (1 - √2) / (1 - √2)
Expanding the numerator and denominator, we get:
(2 - 2√2) / (1 - √2)
b. To rationalize the denominator of the expression (2a) / (√5 - 2), we can again multiply the numerator and denominator by the conjugate of the denominator, which is √5 + 2.
(2a) / (√5 - 2) * (√5 + 2) / (√5 + 2)
Expanding the numerator and denominator, we have:
(2a√5 + 4a) / (5 - 4)
Simplifying further, we get:
(2a√5 + 4a) / 1
However, the rationalized denominator is (2a√5 + 4a).
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4. Theorem of Uniqueness geometrically tells us that the integral curves cannot cross. Use this to solve the following questions. (a) Suppose that \( y \) is a solution to the initial value problem \[
Answers
In the first problem, we show that the solution y(t) is always less than 3, given y(1) = 1. In the second problem, we demonstrate that the solution y(t) is always greater than cost, given y(0) = 2.
(a) Consider the initial value problem y' = (y - 3)ecos(ty) with y(1) = 1. Suppose there exists a value t = t0 such that y(t0) ≥ 3. Since y(t) is continuous, by the Intermediate Value Theorem, there must exist a point t1 in the interval (1, t0) where y(t1) = 3. However, this contradicts the uniqueness theorem, as the integral curves cannot cross. Hence, y(t) < 3 for all t for which y is defined.
(b) Consider the initial value problem y' = y^2 - cos^2(t) - sin(t) with y(0) = 2. Suppose there exists a value t = t0 such that y(t0) ≤ cos(t0). Again, by the Intermediate Value Theorem, there must exist a point t1 in the interval (0, t0) where y(t1) = cos(t1). This contradicts the uniqueness theorem, as the integral curves cannot cross. Thus, y(t) > cos(t) for all t for which y is defined.
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-4x + 10 = 50 plz help
Answers
\(\huge\text{Hey there!}\)
\(\large\text{-4x + 10 = 50}\)
\(\large\text{SUBTRACT by 10 to BOTH SIDES}\)
\(\large\text{-4x + 10 - 10 = 50 - 10}\)
\(\large\text{Cancel out: 10 - 10 because that gives you 0}\)
\(\large\text{Keep: 50 - 10 because it helps us solve for your x value}\)
\(\large\text{50 - 10 = 40}\)
\(\large\text{New equation: -4x = 40}\)
\(\large\text{DIVIDE by -4 to BOTH SIDES}\)
\(\mathsf{\dfrac{-4x}{4}=\dfrac{40}{-4}}\)
\(\large\text{Cancel out: }\mathsf{\dfrac{-4}{-4}}\large\text{ because that gives you 1}\)
\(\large\text{Keep: }\mathsf{\dfrac{-40}{4}}\large\text{ because it helps find x}\)
\(\mathsf{\dfrac{-40}{4}= -40\div4 \rightarrow \bf -10}\)
\(\boxed{\boxed{\large\text{Answer: \bf x = -10}}}\huge\checkmark\)
\(\text{Good luck on your assignment and enjoy your day!}\)
~\(\frak{Amphitrite1040:)}\)
20 POINTS FOR THE CORRECT ANCWER
Write an equation in slope-intercept form for the line that is parallel to y=3x+7 and that passes through the point (−6,-9).
Answers
Answer:
y = 3x + 9
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
y = 3x + 7 ← is in slope- intercept form
with slope m = 3
• Parallel lines have equal slopes , then
y = 3x + c ← is the partial equation
to find c substitute (- 6, - 9 ) into the partial equation
- 9 = - 18 + c ⇒ c = - 9 + 18 = 9
y = 3x + 9 ← equation of parallel line
Answer:
a
Step-by-step explanation:
I go it right on my test
;)
name the correct angles 5 and 7
Answers
Answer:
Acute angle.
Right angle.
Obtuse angle.
Straight angle.
Reflex angle
Step-by-step explanation:
Answer:
no picture
Step-by-step explanation:
:)
help me answer this pls
Answers
Answer:
x = 36.5
Step-by-step explanation:
The two triangles are similar so we can use the similarity ratio to find x
AB ~ DE and BD ~ BA
15/31 = x/(x+39) cross multiply expressions
31x = 15x + 585
31x - 15x = 585
16x = 585 divide both sides by 16
x = 36.5 approximately
X = 4/5 (x+10)
Find x
Answers
Answer:
\(x=40\)
Step-by-step explanation:
\(x=\frac{4}{5}\left(x+10\right)\\\mathrm{Expand\:}\frac{4}{5}\left(x+10\right):\quad \frac{4}{5}x+8\\\mathrm{Apply\:the\:distributive\:law}:\quad \:a\left(b+c\right)=ab+ac\\a=\frac{4}{5},\:b=x,\:c=10\\=\frac{4}{5}x+\frac{4}{5}\cdot \:10\\=\frac{4}{5}x+10\cdot \frac{4}{5}\\10\cdot \frac{4}{5}=8\\10\cdot \frac{4}{5}\\\mathrm{Multiply\:fractions}:\quad \:a\cdot \frac{b}{c}=\frac{a\:\cdot \:b}{c}\\=\frac{4\cdot \:10}{5}\\\mathrm{Multiply\:the\:numbers:}\:4\cdot \:10=40\\=\frac{40}{5}\)
\(\mathrm{Divide\:the\:numbers:}\:\frac{40}{5}=8\\=\frac{4}{5}x+8\\x=\frac{4}{5}x+8\\\mathrm{Subtract\:}\frac{4}{5}x\mathrm{\:from\:both\:sides}\\x-\frac{4}{5}x=\frac{4}{5}x+8-\frac{4}{5}x\\Simplify\\x-\frac{4}{5}x=\frac{4}{5}x+8-\frac{4}{5}x\\\mathrm{Simplify\:}x-\frac{4}{5}x:\quad \frac{1}{5}x\\x-\frac{4}{5}x\\\mathrm{Factor\:out\:common\:term\:}x\\=x\left(1-\frac{4}{5}\right)\\1-\frac{4}{5}=\frac{1}{5}\\=\frac{1}{5}x\\1-\frac{4}{5}\)
\(\mathrm{Convert\:element\:to\:fraction}:\quad \:1=\frac{1\cdot \:5}{5}\\=\frac{1\cdot \:5}{5}-\frac{4}{5}\\\mathrm{Since\:the\:denominators\:are\:equal,\:combine\:the\:fractions}:\quad \frac{a}{c}\pm \frac{b}{c}=\frac{a\pm \:b}{c}\\=\frac{1\cdot \:5-4}{5}\\1\cdot \:5-4=1\\1\cdot \:5-4\\\mathrm{Multiply\:the\:numbers:}\:1\cdot \:5=5\\=5-4\\\mathrm{Subtract\:the\:numbers:}\:5-4=1\\=1\\=\frac{1}{5}\\=\frac{1}{5}x\\\mathrm{Simplify\:}\frac{4}{5}x+8-\frac{4}{5}x:\quad 8\\\frac{4}{5}x+8-\frac{4}{5}x\)
\(\mathrm{Add\:similar\:elements:}\:\frac{4}{5}x-\frac{4}{5}x=0\\=8\\\frac{1}{5}x=8\\\mathrm{Multiply\:both\:sides\:by\:}5\\5\cdot \frac{1}{5}x=8\cdot \:5\\\mathrm{Simplify}\\x=40\)
Answer:
40
Step-by-step explanation:
x+10= x 5/4
x +10= 5x/4
4x+40= 5x
40= x
x=40
What are 4 signs someone is having an allergic reaction?.
Answers
The 4 sign that someone is having as allergic reaction are cell mediated, cytotoxic, immunocomplex and anaphylactic ?
What are the symptoms that someone having allergic reactions ?The symptoms and signs that someone having allergic reaction is that
Skin reactionsPale skin Itching Itchy red spots on the body. Watery eyesPeople experienced food allergies also like hives, swelling of the tongue, swelling of tongue, swelling of face. Some of the respiratory symptoms are chest tightness, coughing, shortness of breath, wheezing, throat tightness. There are also some GI symptoms which are diarrhea, vomiting, cramps and abdominal pain.
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help ill give brainless
Answers
Brainliest plssss
Answer: c
Step-by-step explanation:
quite easy because y=mx+b (y=3x-1)
the -1 is the y-intercept. (Where the line meets the y line. c is the only one where the y-intercept is -1
what is the answer too x^2+2x-59=3x-3
Answers
Answer:
Step-by-step explanation:
x^2 + 2x - 59 = 3x - 3
x^2 + 2x - 3x -59 +3 = 0
x^2 - x - 56 = 0
x^2 - (8 - 7)x - 56 = 0
x^2 - 8x + 7x - 56 = 0
x(x - 8) + 7(x - 8) = 0
(x + 7)(x - 8) = 0
either (x + 7) = 0
Or, (x - 8) = 0
x + 7 = 0
x = 0 - 7
x = -7
x - 8 = 0
x = 0 + 8
x = 8
therefore x = -7 , 8