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3 years ago

What’s the answer?????

Mathematics

1 answer:

zysi [14]3 years ago

7 0

Answer:

8.6 ft

Step-by-step explanation:

I'm sure this is a problem where you use pythagorean theorem so since the person walks 7ft and climbs 5ft, you can form a right triangle.

So just do $\sqrt{7^2+5^2}$ and you get $\sqrt{74}$ which rounds to 8.6

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The radius of a semicircle is 4 miles. What is the semicircle's area?

adell [148]

Answer:

8 $\pi$ miles or 25.133 miles

Step-by-step explanation:

your radius is 4 miles.

The area of a circle is A= $\pi r^{2}$

Therefore, the area of this circle is $4^{2} \pi$ , or 16 $\pi$

Half of this area, because what you're looking for is a semi-circle, is:

8 $\pi$ (exact) or 25.133 (rounded) miles.

6 0

2 years ago

five times the difference of twice a number and three, decreased by the sum of the number and eight, equals thirteen

trapecia [35]

5x(2y-3)-(y+8)=13 I believe this is correct

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3 years ago

Following e.g. C, how do you do D? 30 points

mars1129 [50]

Answer:

x=(log(5/4))/(log(4))

Step-by-step explanation:

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4 years ago

Read 2 more answers

Need help on this question asap pleasee

slavikrds [6]

Answer:

4th option

Step-by-step explanation:

The chord- chord angle 67.5° is half the sum of the arcs intercepted by the angle and its vertical angle, that is

67.5 = $\frac{1}{2}$ (x + 90)

6 0

3 years ago

Plz plz Plz help!

likoan [24]

Answer:

$16,666.67

Step-by-step explanation:

PMT= PV*i Where PMT is the withdrawals ,PV is present value and i is the dicounting rate

PMT = $1,000.00

PV= ?

i = 6%

hence $1,000 = PV*6%

PV=1,000/6%

PV = 16,666.67

4 0

3 years ago