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2 years ago

From 20 to 11 miles

Mathematics

1 answer:

IrinaK [193]2 years ago

8 0

Answer:

20 - 11 = 9

Step-by-step explanation:

20 - 11 = 9 and weird you gave no other info.

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(-2,3). When rotating a point 90 degrees counterclockwise about the origin our point A(x,y) becomes A'(-y,x).

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3 years ago

Write this number in standard notation. 1.986 x 10^6

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3 years ago

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4 years ago

△HFM∼△PST

loris [4]

Answer:

The perimeter of △HFM is 50.75 units

Step-by-step explanation:

The correct picture of the question in the attached figure

we know that

If two figures are similar, then the ratio of its corresponding sides is proportional, and this ratio is called the scale factor

we have

△HFM∼△PST ----> given problem

step 1

Find the scale factor

Let

z ----> the scale factor

$z=\frac{HF}{PS}$

substitute the given values

$z=\frac{14}{8}=1.75$

step 2

Find the perimeter of triangle PST

Remember that the perimeter of a triangle is the sum of its three length sides

$P=8+9+12=29\ units$

step 3

Find the perimeter of triangle HFM

we know that

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

The perimeter of triangle HFM is equal to the perimeter of triangle PST multiplied by the scale factor

$29(1.75)=50.75\ units$

6 0

3 years ago

How long can the run be made?

defon

Answer:

$L=15\ m$

Step-by-step explanation:

we know that

The perimeter of rectangle is equal to

$P=2L+2W$

In this problem we have

$P=42\ m$

$W=6\ m$

substitute in the formula and solve for L

$42=2L+2(6)$

simplify

$21=L+(6)$

$L=21-6=15\ m$

6 0

3 years ago