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3 years ago

What is the approximate value of the function at x = 0?

Mathematics

1 answer:

Snowcat [4.5K]3 years ago

7 0

The answer is approximately -0.3 according to the graph.

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are any two regular polygons similar. The area of the smaller figure is about 390 cm^2. choose the best estimate of the area of

galben [10]

Answer:

The best estimate of the area of the larger figure is $693\ cm^{2}$

Step-by-step explanation:

step 1

Find the scale factor

we know that

If two figures are similar, then the ratio of its corresponding sides is equal to the scale factor

Let

z----> the scale factor

x-----> the corresponding side of the larger figure

y-----> the corresponding side of the smaller figure

$z=\frac{x}{y}$

we have

$x=12\ cm$

$y=9\ cm$

substitute

$z=\frac{12}{9}=\frac{4}{3}$ -----> the scale factor

step 2

Find the area of the larger figure

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

z----> the scale factor

x-----> the area of the larger figure

y-----> the area of the smaller figure

$z^{2}=\frac{x}{y}$

we have

$z=\frac{4}{3}$

$y=390\ cm^{2}$

substitute and solve for x

$(\frac{4}{3})^{2}=\frac{x}{390}$

$(\frac{16}{9})=\frac{x}{390}$

$x=390*16/9=693.33\ cm^{2}$

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3 years ago

What is the slope of y=-x perpendicular to the equation

tensa zangetsu [6.8K]

$\frac{1}{2} x$

7 0

3 years ago

Use complete sentences to describe why postulates are helpful?

Savatey [412]

Postulates are helpful because it helps you plan and solve geometry problems.
That's my guess. It doesn't tell me in the text either.

3 0

3 years ago

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Write an expression equivalent to 3(x-7)

maria [59]

Answer:

3x-21

Step-by-step explanation:

3*x+3*(-7)=3x-21

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3 years ago

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Mario's grape vine grows 7.5 inches in 3 weeks. At this rate, how much will the grape vine grow in 15

yaroslaw [1]

Answer:

It will grow 37.5 inches

Step-by-step explanation:

It grew 7.5 in 3 weeks. Divide 7.5 by 3 and you'll get 2.5. So that means every week it grows 2.5 inches. So multiply 2.5 x 15 and you'll get 37.5 inches

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3 years ago

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