5. Which equation can be used to solve for x in the following diagram?
(3x+12)°
२०
A. 3x = 180+X
B. (3x+12) + x = 90
C. (3x+12) + x = 180
D. (3x+12) = x
Answers
Answer:
C
Step-by-step explanation:
the 2 angles form a linear pair and sum to 180° , that is
3x + 12 + x = 180
Related Questions
The first two boxes I get but the last box I don’t know where to go for it
Answers
Answer:
add the size plus
Step-by-step explanation:
Sunday if you add sox
Multiple 4 by w then subtract v from the result
Answers
Answer:
4w-v
Step-by-step explanation:
Let the number be w.
Multiplying by 4:
4wSubtracting v,
4w-vguys pls help me i will give brain list pls help me out
if someone could please help me i will be sending more so plsss i need help
Answers
Answer:
200
Step-by-step explanation:
Emi computes the mean and variance for the population data set 87, 46, 90, 78, and 89. She finds the mean is 78. Her steps for finding the variance are shown below.
What is the first error she made in computing the variance?
Emi failed to find the difference of 89 - 78 correctly.
Emi divided by N - 1 instead of N.
Emi evaluated (46 - 78)^2 as -(32)^2.
Emi forgot to take the square root of -135.6.
Answers
The error she made is Emi evaluated (46-78)² as - (32)² is wrong.
What is variance?Variance is calculated as the average of squared differences of the data observations from the mean.
Given data: 87, 46, 90, 78, and 89.
Here, the first Emi find the difference of 89 - 78 correctly.
Now, Emi division is also correct.
Now, Emi evaluated (46 - 78)^2 as -(32)^2 is wrong.
(46-78)² = (-32)²
Here she used the negative sign outside.
Hence, Emi evaluated (46 - 78)^2 as -(32)^2 is wrong.
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Answer:
C.) Emi evaluated (46 - 78)2 as -(32)2.
Step-by-step explanation:
What is the range of the function on the graph?
Answers
Answer:
2
Step-by-step explanation:
because (x,y)=(1,2)
Therefore, domine(d)=(x)=1
And, range(r)=(y)=2
So the ans is 2
find the sum of 1+2-3+4+5-6+7+8-9+...+97+98-99
Answers
Answer:
Hi,
Step-by-step explanation:
Let's make group of 3 numbers
1+2-3=0
4+5-6=3
7+8-9=6
...
97+98-99=96
s=1+2-3+....+97+98-99=0+3+6+..+96=3*(0+1+2+3+...+32)
=3*(32+0)*33/2
=1584
what is the product of the binomals below (2x+3) (3x+3)
Answers
Answer:
[tex]3*(2x+3)*(x+1)[/tex]
Step-by-step explanation:
pull like terms from the problem to re-arrange it into a product
[tex]\left(2x+3\right)\left(3x+3\right)\\3x + 3 = 3 \cdot (x + 1)\\3 \cdot (2x + 3) \cdot (x + 1)\\[/tex]
Question 7 of 25
All else being equal, a study with which margin of error would give you the
most confidence in the results?
O A. 13 percentage points
OB. +12 percentage points
OC. 19 percentage points
OD. 16 percentage points
SUBMIT
Answers
Answer:
+12 percentage points
Step-by-step explanation:
All options have positive percentage in themselves
So lesser marginal error should be more applicable as lower the marginal errors lower the probability of doing mistakes so higher marks .
Option B
The interior angles of a pentagon are 126°, 114°, y°, and 83°. Find the value of y°?
please can someone help me with the answer to this question pls
am preparing for my WASSCE(west Africa senior school certificate examination) which is going to be held tomorrow
pls can someone help me
Answers
Answer:
217
Step-by-step explanation:
angles in a pentagon =540°
y°+126°+114°+83°=540°
y°+323°=540°
y°=540°-323°
y°=217°
Which of the following expressions is equivalent to 14xy – 28x – 36y + 48? 2(7x – 6)(y – 2)(3y + 4) 2(7x – 6)(y – 2)(3y – 4) 2[7x(y – 2) – 6(3y – 4)] 2[7x(y – 2) – 6(3y + 4)]
Answers
The expression that is equivalent to 14xy – 28x – 36y + 48 is 2[7x(y-2)-6(3y-4)]
Factorizing expressionsFactorization is a way of separating the equations into two separate factors.
Given the expression below;
14xy – 28x – 36y + 48
Group
(14xy – 28x) – (36y + 48)
14x(y - 2) - 12(3y-4)
Factor out the value of 2 from both terms
2[7x(y-2)-6(3y-4)]
Hence the expression that is equivalent to 14xy – 28x – 36y + 48 is 2[7x(y-2)-6(3y-4)]
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Answer:
2[7x(y – 2) – 6(3y – 4)]
Step-by-step explanation:
I got it right on the test.
Lily has 655 coins that she wants to divide evenly for her 13 grandchildren.
How many coins will each grandchild receive? Will there be any leftover?
250
Answers
Answer:
Step-by-step explanation:
Each grandchild will receive 655/13 = 50 with 5 coins left over. She can keep the 5 coins and start again.
Answer
50 coins for each grandchild5 left over.Answer:
50 coins for each grandchild
5 left over.
Step-by-step explanation:
13x50=650
655-650=5
Question
The function defined by f(t)=12(1+0.03)t can be used to determine the population, in thousands, of a town t years since 1955. According to the function, what was the population of the town in 1955 and what was the percent increase in population from year to year?
Enter a number in each box to correctly complete the sentence.
Answers
The population of the town in 1955 was 12 thousand people, and the percent increase in population from year to year was 3%.
How to explain the population?A function assigns the value of each element of one set to the other specific element of another set. The function that gives the population of the town is given.
Since the year 1955 the value of t=0. Therefore, The population of the town in 1955 was 12 thousand. The percentage increase in population from year to year is 3%.
Therefore, the population of the town in 1955 was 12 thousand people, and the percent increase in population from year to year was 3%.
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Suav left his house at time zero and drove to the store, which is 8 blocks away, at a speed of 4 blocks per minute. Then he stopped and went into the store for 2 minutes. From there, he drove in the same direction at a speed of 4 blocks per minute until he got to the bank, which is 16 blocks away from the store. He stopped at the bank for 4 minutes. Then he drove home at a speed of 6 blocks every minute. Make a graph of showing the number of blocks away from home that Suav is xx minutes after he leaves his house, until he gets back home.
Answers
The graph for Suav's trip is attached along with the values derived from the information provided.
What is the explanation for the graph?The key to understanding the graph is that every time spent while he was on the way to the back and back are all added cumulatively.
So when he stops at the store which is 8 blocks away from home, the time spent is recorded as 4 + 2 at location 8 blocks.
It is also to be noted that the time spent is plotted on the x-axis and the blocks away from home on the y-axis.
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NEED HELP FAST! will mark Brain if first! Question 5!
Answers
Answer:
[tex]\boxed{\sf x = 11.7}[/tex]
[tex]\boxed{\sf b = 9.4}[/tex]
Sine Rule states:
[tex]\sf sin(x) = \dfrac{opposite}{hypotenuse}[/tex]
[tex]\hookrightarrow \sf sin(51) = \dfrac{x}{15}[/tex]
[tex]\hookrightarrow \sf x = 15sin(51)[/tex]
[tex]\hookrightarrow \sf x = 11.657 \ \ \approx \quad 11.7[/tex]
Additional, cosine rule:
[tex]\sf cos(x) = \dfrac{adjacent}{hypotenuse}[/tex]
[tex]\hookrightarrow \sf cos(51) = \dfrac{b}{15}[/tex]
[tex]\hookrightarrow \sf b = 15cos(51)[/tex]
[tex]\hookrightarrow \sf b = 9.4398 \quad \approx \ \ 9.4[/tex]
Why is P(A) •P(B/A) = P(B) • P(A/B)
HELP ME QUICK ASAP
Answers
Answer:
rawrrrrrrrrrrrrrrrrr
Step-by-step explanation:
Why is P(A) •P(B/A) = P(B) • P(A/B)
P/B + P = A
P/B/P
- A
Which is more, 20 inches or 1 foot?
Answers
Answer:
20 inches
Step-by-step explanation:
there is only 12 inches in a foot
Please Help!!! Two parallel lines are cut by a transversal. What is the measure of 7?
Answers
Answer:
D. 77º
Step-by-step explanation:
Because 3 and 7 are corresponding angles and 3 = 77º, 7 also is 77º.
What is the area of the circle
Answers
Answer:
201.062in²
Step-by-step explanation:
area for formula of a circle
[tex] {r}^{2} \pi[/tex]
we can now plug in the radius to solve
[tex] {8}^{2} \pi \\ 64\pi \\ 201.062[/tex]
that is the answer
- kan Academy Advance
Which of the following is the graph of y = sine (4 (x minus pi))?
Answers
Answer:
Below is an array showing the x values, and phase shifts that occur in the graph of the equation.
[tex]~~~~~x~~~~f(x)\\\\\left[\begin{array}{cc}\pi &0 &\frac{9\pi }{8} &1\\\frac{5\pi }{4} &0&\frac{11\pi }{8} &-1&\frac{3\pi }{2}&0 \end{array}\right][/tex]
Answer:
Graph A
Step-by-step explanation:
Got 100% on edge
What is the area of a rectangle with a length of 3in and a with of 5 square root of 2
Answers
Answer:
The area of the rectangle = 15√2 in²
Step-by-step explanation:
What is the area of a rectangle with a length of 3in
and a width of 5√2.
……………………………………………
FORMULA :
area of a rectangle = length × width
===============================
Then
The area of the rectangle = 3 × 5√2 = 15√2
could someone pleasee help me will give brainliest
Answers
Which graph does not represent a function of x?
Answers
Look at the set of quadrilaterals in the coordinate plane shown below.
Which statement is TRUE?
Because quadrilateral ABCD can be reflected across the x-axis, then rotated 90° counterclockwise about the origin, and then dilated about the origin by a scale factor of 2 to obtain quadrilateral A'B'C'D', then quadrilateral ABCD is similar to quadrilateral A'B'C'D'.
Because quadrilateral ABCD can be reflected across the x -axis, then rotated 90° counterclockwise about the origin, and then dilated about the origin by a scale factor of 2 to obtain quadrilateral A'B'C'D' , then quadrilateral ABCD is similar to quadrilateral A'B'C'D' .
Because quadrilateral ABCD can be reflected across the y-axis, then rotated 90° counterclockwise about the origin, and then dilated about the origin by a scale factor of 1.5 to obtain quadrilateral A'B'C'D', then quadrilateral ABCD is similar to quadrilateral A'B'C'D'.
Because quadrilateral ABCD can be reflected across the y -axis, then rotated 90° counterclockwise about the origin, and then dilated about the origin by a scale factor of 1.5 to obtain quadrilateral A'B'C'D' , then quadrilateral ABCD is similar to quadrilateral A'B'C'D' .
Because quadrilateral ABCD can be reflected across the x-axis, then rotated 90° clockwise about the origin, and then dilated about the origin by a scale factor of 2 to obtain quadrilateral A'B'C'D', then quadrilateral ABCD is similar to quadrilateral A'B'C'D'.
Because quadrilateral ABCD can be reflected across the x -axis, then rotated 90° clockwise about the origin, and then dilated about the origin by a scale factor of 2 to obtain quadrilateral A'B'C'D' , then quadrilateral ABCD is similar to quadrilateral A'B'C'D' .
Because quadrilateral ABCD can be reflected across the line y = x, then rotated 90° counterclockwise about the origin, and then dilated about the origin by a scale factor of 1.5 to obtain quadrilateral A'B'C'D', then quadrilateral ABCD is similar to quadrilateral A'B'C'D'.Look at the set of quadrilaterals in the coordinate plane shown below.
Which statement is TRUE?
Because quadrilateral ABCD can be reflected across the x-axis, then rotated 90° counterclockwise about the origin, and then dilated about the origin by a scale factor of 2 to obtain quadrilateral A'B'C'D', then quadrilateral ABCD is similar to quadrilateral A'B'C'D'.
Because quadrilateral ABCD can be reflected across the x -axis, then rotated 90° counterclockwise about the origin, and then dilated about the origin by a scale factor of 2 to obtain quadrilateral A'B'C'D' , then quadrilateral ABCD is similar to quadrilateral A'B'C'D' .
Because quadrilateral ABCD can be reflected across the y-axis, then rotated 90° counterclockwise about the origin, and then dilated about the origin by a scale factor of 1.5 to obtain quadrilateral A'B'C'D', then quadrilateral ABCD is similar to quadrilateral A'B'C'D'.
Because quadrilateral ABCD can be reflected across the y -axis, then rotated 90° counterclockwise about the origin, and then dilated about the origin by a scale factor of 1.5 to obtain quadrilateral A'B'C'D' , then quadrilateral ABCD is similar to quadrilateral A'B'C'D' .
Because quadrilateral ABCD can be reflected across the x-axis, then rotated 90° clockwise about the origin, and then dilated about the origin by a scale factor of 2 to obtain quadrilateral A'B'C'D', then quadrilateral ABCD is similar to quadrilateral A'B'C'D'.
Because quadrilateral ABCD can be reflected across the x -axis, then rotated 90° clockwise about the origin, and then dilated about the origin by a scale factor of 2 to obtain quadrilateral A'B'C'D' , then quadrilateral ABCD is similar to quadrilateral A'B'C'D' .
Because quadrilateral ABCD can be reflected across the line y = x, then rotated 90° counterclockwise about the origin, and then dilated about the origin by a scale factor of 1.5 to obtain quadrilateral A'B'C'D', then quadrilateral ABCD is similar to quadrilateral A'B'C'D'.
Answers
The true statement about the set of quadrilaterals in the coordinate plane is B. Because quadrilateral ABCD can be reflected across the x -axis, then rotated 90° counterclockwise about the origin, and then dilated about the origin by a scale factor of 2 to obtain quadrilateral A'B'C'D' , then quadrilateral ABCD is similar to quadrilateral A'B'C'D'.
What is a quadrilateral?A quadrilateral is a polygon having four sides, four angles, and four vertices.
In this case, because quadrilateral ABCD can be reflected across the x -axis, then rotated 90° counterclockwise about the origin, and then dilated about the origin by a scale factor of 2 to obtain quadrilateral A'B'C'D' , then quadrilateral ABCD is similar to quadrilateral A'B'C'D'.
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Angela bought a bookmark in the shape of an arrow as shown below. The base and height of the triangle are both 3 inches.
Answers
The area of a 2D form is the amount of space within its perimeter. The area of the arrow is 11.25 in².
What is an area?The area of a 2D form is the amount of space within its perimeter. It is measured in square units such as cm2, m2, and so on. To find the area of a square formula or another quadrilateral, multiply its length by its width.
For the given problem, the image is given below.
The area of the arrow is,
Area = Area of rectangle + Area of triangle
= (1.5 in × 4.5 in) + (0.5×3×3)
= 6.75 in² + 4.5 in²
= 11.25 in²
Hence, the area of the arrow is 11.25 in².
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Coach Sloan is responsible for recruiting male athletes to join the European
Masters track and field team. To improve his recruitment strategies, he wants to
investigate the connection between an athlete's height and 3000-meter run time.
Coach Sloan has recorded the heights of the men on the track and field team (in
centimeters), x, and their best 3000-meter times (in minutes), y.
The least squares regression line of this data set is:
y = -0.081x + 21.412
How quickly does this line predict a man who is 166 centimeters tall would run the 3000-
meters?
Round your answer to the nearest thousandth.
minutes
Answers
Using the line of best fit, it is found that the projected time for a man who is 166 cm tall is of 7.966 minutes.
What does the line of best fit gives?It gives the project time in minutes to run the 3000 meters for a men of a height of x centimeters, according to the following function:
y = -0.081x + 21.412.
Hence, for a men of 166 centimeters, x = 166 and the projected time in minutes is given as follows.
y = -0.081(166) + 21.412 = 7.966.
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What is the greatest common factor of
15x^7y^5+5x^5y^4-20x^6y
Answers
Answer:
5x^5y
Step-by-step explanation:
NEED HELP QUICK DUE TMR MEAN AND MEDIAN
Answers
9. The answer is 27
10. The answer is 3
And for 11. The answer is 2.
If you want me to explain how I got those answers let me know. Hope this helps.
help help help help help
Answers
(=^_^=)
Find the dependent value
for the graph
y = 15 - 3x
when the independent value is 2.
= [?]
Answers
The dependent value for the graph given the independent value is 9.
What is the dependent value?
The independent variable is the variable that explains the dependent variable. The dependent variable is the value that the independent variable determines.
The dependent variable is y and the independent variable is x.
y = 15 - 3(2)
y = 15 - 6
y = 9.
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a computer purchased for $2 500 and its value depreciates at 5% per month. a).write the equation that models the situation. explain what each equation represent. b) determine the value of the computer after 2 years. c) in which month after it is purchased does the computer's worth fall below $1 000?
Answers
Answer:
a(y=-5x+2500) b(2,380) c(25months)
Step-by-step explanation:
someone point out if I'm wrong. I'm not so sure about "c".
(how I got b)
So 2 years=24 months
y=-5x+2500
So x would be 24.
-5(24)+2500
-120+2500
2,380