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3 years ago

12

Find the area of a circle with a radius of 6 miles

2 answers:

nlexa [21]3 years ago

8 0

113.04 it is kinda hard I didn’t get it when I was in sixth grade hopes this helps

AveGali [126]3 years ago

3 0

Answer:

36π

Step-by-step explanation:

the formula of the area of the circle is πr^2

if the radius is 6, then its 6*6*π which is 36π

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If P is the orthocenter of △ABC, AB = 13, BF = 9,and FC = 5.6, find each measure & the perimeter of triangle ABC.

harina [27]

Answer:

$Perimeter = 38.6$

Step-by-step explanation:

Given

$A\ B = 13$

$B\ F = 9$

$F\ C = 5.6$

Required

Calculate the perimeter of A B C

To calculate the perimeter of A B C, we sum up the sides of the triangle

i.e.

$Perimeter = A B + B\ C + A\ C$

AB is given in the question already.

So, we need to calculate B F and F C

To solve for BF, we consider triangle B F C

Using Pythagoras Theorem, we have:

$B\ C^2 = B\ F^2 + F\ C^2$

Substitute values for BF and FC;

$B\ C^2 = 9^2 + 5.6^2$

$B\ C^2 = 81 + 31.36$

$B\ C^2 = 112.36$

$B\ C^2= \sqrt{112.36$

$B\ C = 10.6$

Next, we calculate A C.

To calculate A C, we need to calculate A F, considering triangle B F A

Using Pythagoras Theorem, we have:

$A\ B^2 = B\ F^2 + A\ F^2$

Substitute values for B F and A B;

$13^2 = 9^2 + A\ F^2$

$169= 81 + A\ F^2$

$A\ F^2 = 169 - 81$

$A\ F^2 = 88$

$A\ F = \sqrt{88$

$A\ F = 9.4$

Since F lies on line A C:

$A\ C = A\ F + F\ C$

$A\ C = 9.4 + 5.6$

$A\ C = 15.0$

Recall that:

$Perimeter = A\ B + B\ C + A\ C$

$Perimeter = 13 + 10.6 + 15.0$

$Perimeter = 38.6$

<em>Hence, the perimeter is 38.6</em>

3 0

3 years ago

Plz help I’m so stuck

iris [78.8K]

I dont believe there is any figure we can see, take a larger picture please

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3 years ago

What is 4×2+y+3-18 need help on this one

defon

8+y-15. Hope it helps

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3 years ago

14. Which of the following is not a true statement about the scatter plot above?

harina [27]

Answer:

Step-by-step explanation:

5 0

2 years ago

A company purchased a machine for $970,000. the machine has a useful life of 12 years and a residual value of $4,500. it is esti

harina [27]

Cost less salvage value = 970,000 - 4500 = 965,500
Capacity of machine = 1,000,000 units.
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Book value at end of second year = (500,000/1,000,000)*965,500 + 4500
= $487,250

8 0

3 years ago