The area of a square battlefield was 22,500 square miles. How long will it take a group of soldiers to cross the field diagonally at the rate of 3.2 miles/hour? Show work and explain

Answers

Answer 1

Answer: $√(22500) = s \n\ diagonal = s √(2) \n\ s = 150, \ diagonal = 150√(2) \n\ diagonal \approx 212.132 \n\ 212.132/3.2 \approx 66.291 \ hrs$

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At 5 seconds, an object's velocity is 9 meters per second. At 8 seconds, the object's velocity is 25 meters per second. Assuming a constant acceleration, what is the acceleration in meters per second per second of the object? (If necessary, round to the nearest hundredth.)

Answers

The formula for acceleration is (∆v)/(∆t), or (final velocity - initial velocity)/(final time - initial time). If you input your values the problem would work out as followed:

A = (∆v)/(∆t)
A = (25-9)/(8-5)
A = 16/3
A = 21.33 (rounded to the nearest hundredth)

Abhasra had some candy to give to her 4 children. She first took 9 piecesfor herself and then evenly divided the rest
among her children. Each child received
4 pieces. With how many pieces did
she start?

Answers

Answer:

25 pieces

Step-by-step explanation:

She took 9 pieces for herself, which means that we already know that she had at least 9 pieces. She has 4 children and gave them each four, so you times 4 children times 4 pieces each.

That gives us 16. 16=9=25

So 25 pieces. Hope it helps!

Total amount of the interior angles of a 20 sided figure?

Answers

The number of interior angles in any polygon is the same as the number
of its sides. So your 20-sided figure has 20 interior angles.
_________________________________

Wait ! Are you asking what the measures of the angles add up to ? ?

The sum of the interior angles of any polygon is

(180 degrees) times (2 less than the number of sides).

So your 20-sided figure has interior angles that add up to

(180 degrees) times (18) .

Hello,

The sum of interior angles of an isocagon is 18*180=3240 (°)

Given (x – 7)2 = 36, select the values of x.x = 13

x = 1

x = –29

x = 42

Answers

Answer:

A. x = 13

B. x = 1

And the next equation answers are:

C. x = 1-5√2

D. x = 1+5√2

Step-by-step explanation:

Just took it. Edg 2020. Hope this helps :)

Answer:

a and b

Step-by-step explanation:

Bao saved $179 a month. He saved $145 less than Ada each month. How much would Ada save in three and a half years?

Answers

If i am correct, the answer should be 13608.
To find out how much Ada saved a month, we would need to add 179 and 145, that equals 324. Then we would need to multiply that by 12 because there are 12 months in a year. We would get 3888. Then we would need to multiply that by 3, since there are 3 years. We would get 11664. Then we would need to multiply 324 and 6 for 324 dollars a month. That gives us 1944. Then we add 1944 and 11664, we get 13608. :)

Ada would save $13,608 in three and half year (42 months)