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4 years ago

7

The distance around the lake is 0.75 mile. Ryan ran around the lake 3 times on Saturday. How far did he run?

1 answer:

bearhunter [10]4 years ago

3 0

He ran 2.25 miles around the lake

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What is the area for the parallelogram/trapeziod in this image? (NOT THE AREA OF THE WHOLE SHAPE)

natima [27]

Because the area of a trapezoid is A= ((a+b)/2)h, where a is the length of the top, b is the length of the base, and h is the height, you plug that in to find your answer.

This trapezoid is sideways, but the top of it is 7m (which is a) and the base is 10 m (which is b), add a and b to get 17, A = ((17)/2)h

Now divide by 2 to get A = (8.5)h

Because the height is 9, A = (8.5)9 = 76.5

The area of the trapezoid alone is 76.5m

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3 years ago

Which statements about the relationship between the two triangles below are true? Check all that apply.

FinnZ [79.3K]

Answer:

Triangle ACD is similar to triangle RST

Step-by-step explanation:

In triangle ACD

$\angle A=74.9^{\circ}$

$\angle D=60^{\circ}$

In triangle RST

$\angle R=74.9^{\circ}$

$\angle S=45.1^{\circ}$

In triangle ACD

$\angle A+\angle C+\angle D=180^{\circ}$

By triangle angles sum property

Substitute the values

$74.9+60+\angle C=180$

$\angle C=180-(74.9+60)=45.1^{\circ}$

Angle A=Angle R

Angle C=Angle S

Therefore, triangle ACD is similar to triangle RST

Reason:By AA similarity postulate

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3 years ago

Read 2 more answers

H = {z∣z ∈ N and 82 ≤ z ≤ 106}<br><br><br> H has ___ subsets.<br> H has ___ proper subsets.

IRINA_888 [86]

Answer:

Step-by-step explanation:

Notice that H is a set with 106 - 81 = 25 elements.

Hence H has $2^{25}$ subsets.

In order to get the proper subsets of H we just need to deduct one from $2^{25}$

So there are $2^{25}-1$ proper subsets.

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3 years ago

If sin ø = 1/3, what are the values of cos ø and tan ø?

jekas [21]

Step-by-step explanation:

SinA=1/3=p/h

p=1,h=3,and b=?

Using Pythagoras Theorem,

b=√3^2-1^2

b=√9-1

b=√8=2√2

Now,

CosA=b/h=2√2/3

TanA=p/b=1/2√2

There is no phi in my keypad so I use A angle instead of phi.Adjust it.

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3 years ago

Hii! Is this proportional or not?

natka813 [3]

Answer:

Yes, the Y value has a direct relationship with the x value.

y = 5x + 5

Step-by-step explanation:

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3 years ago