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3 years ago

PLEASE HELP! GIVING BRAINLIEST

Mathematics

1 answer:

Tanya [424]3 years ago

8 0

Answer:

x=7.31

Step-by-step explanation:

There are two x's, so they represent the equation 2x=14.62. If we solve for x, we have to divide each side by 2:

2x/2=14.62/2.

If we divide, we get x=7.31

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3 years ago

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$\huge\text{Hey there!}$

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3 years ago

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Explanation:

<u>Lines of symmetry; A line that cuts a shape exactly in half</u>

If you were to put a line of symmetry down and fold the shape in half on that line, both halves would match exactly.

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3 years ago

Read 2 more answers

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nikklg [1K]

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Step-by-step explanation:

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3 years ago

Find the average rate of change of k(x)=5x–19 over the interval [<br> -<br> 14,<br> -<br> 4].

rusak2 [61]

The rate of change of a function can be modeled with the following expression:

$\frac{\Delta{k{x)}}{\Delta{x}}$

Where Δx is the change in x value, and Δk(x) is the corresponding change in k(x). We're given the two extremes of x, so we can calculate the change in x to be

$\Delta{x}=-4-(-14)=10$

To find the change in k(x), we can calculate the values of k(x) at x = -14 and x = -4 and find the difference between them:

$k(-14)=5(-14)-19=-70-19=-89\\ k(-4)=5(-4)-19=-20-19=-39\\ \Delta{y}=k(-14)-k(-4)=-89-(-39)=-50$

So, the rate of change for the function from x = -14 to x = -4 is

$\frac{\Delta{y}}{\Delta{x}}= \frac{-50}{10}=-5$

7 0

3 years ago