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2 years ago

Algebra graph question

Mathematics

1 answer:

Serga [27]2 years ago

4 0

(0,4) (-2,3) (2,5) that’s the coordinates

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36 is 0.9 of what number?

notsponge [240]

To solve for x you do these steps
x=number

1. do this following multiplication problem to get 0.9%
36/x*100%= 0.9%

2. now do the opposite of what you did before to get x
36 divided by 0.9%= x

36 divided by 0.9%= 40

x = 40

5 0

3 years ago

Read 2 more answers

svet-max [94.6K]

Answer:

The polygon has 9 sides

Step-by-step explanation:

we know that

A regular polygon has equal length sides and equal interior angles

step 1

Find the measure of the interior angle

Remember that

The interior angle plus the exterior angle must be equal to 180 degrees (form a linear pair)

Let

x ----> the measure of each interior angle in the regular polygon

$x+40^o=180^o$

solve for x

$x=180^o-40^o=140^o$

step 2

Find the number of sides of the regular polygon

we know that

The measure of each interior angle in a regular polygon is given by the formula

$x=\frac{(n-2)180^o}{n}$

where

n is the number of sides of the polygon

substitute the given values

$140^o=\frac{(n-2)180^o}{n}$

solve for n

$140n=180n-360\\180n-140n=360\\40n=360\\n=9\ sides$

therefore

The polygon has 9 sides

8 0

2 years ago

Find the difference.<br> (3-4x)-3(2.4x-7)

murzikaleks [220]

(3-4x)-3(2.4x-7)

3-4x-7.4x+21

-11.4x+18

5 0

3 years ago

The test scores of students in a math class are 46, 40, 50, 43, 35, 41, 50, 42, 38, and 48. What is the mean of this set of data

zimovet [89]

Mean is the average. You would add up all the numbers and divide by how many numbers you have. 433/10=43.3

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3 years ago

A room has a length of 7 m.

Artemon [7]

If you convert 7m to centimetres you get 700

3 0

2 years ago

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