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3 years ago

8

During migration a butterfly can travel 30 miles in 1 hour. Which graph best represents y the number of miles a butterfly can tr

avel in x hours

1 answer:

son4ous [18]3 years ago

4 0

Answer:

y = 30m and x = 1 h

Step-by-step explanation:

mrsdoughty1 deserves the credit

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A square has side length of 9 in. If the area is doubled, what happens to the side length?

Alika [10]

Answer:

The side length is multiplied by $\sqrt{2}$

Step-by-step explanation:

we know that

The area of the original square is equal to

$A=9^{2}=81\ in^{2}$

If the area is doubled

then

The area of the larger square is

$A1=(2)81=162\ in^{2}$

Remember 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 square

y ---> the area of the original square

so

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

we have

$x=162\ in\^{2}$

$y=81\ in\^{2}$

$z^{2}=\frac{162}{81}$

$z^{2}=2$

$z=\sqrt{2}$ ------> scale factor

therefore

The side length is multiplied by $\sqrt{2}$

7 0

3 years ago

Which of the following is equivalent to \root(5)(13^(3))

kicyunya [14]

I don't see the choices

7 0

3 years ago

Evaluate the expression for x=-6 4more than the product of-4 and the number

son4ous [18]

Answer:

28

Step-by-step explanation:

The product of -4 and the unknown number n is -4n.

4 more than the product of -4 and the unknown number n is -4n + 4.

Letting n = -6 results in the value -4(-6) + 4, or 24 + 4, or 28.

8 0

3 years ago

Plz help me well mark brainliest if correct!!..

zepelin [54]

Answer: A/The LINE graph

Step-by-step explanation:

6 0

3 years ago

Write the expression as the sine, cosine, or tangent of an angle.

erma4kov [3.2K]

Answer:

tan56°

Step-by-step explanation:

The Addition identity for tangent ratio is

tan(x + y) = $\frac{tanx+tany}{1-tanxtany}$ , thus

$\frac{tan24+tan32}{1-tan24tan32}$ = tan(24 + 32)° = tan56°

7 0

3 years ago