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melisa1 [442]
3 years ago
11

A rectangular field is 140 yards long and 90 yards wide. Give the length and width of another rectangular field that has the sam

e perimeter but a smaller area.
Mathematics
1 answer:
Galina-37 [17]3 years ago
6 0
140 by 90 = 460 perimeter  = 12,600 area

150 by 80 = 460 perimeter = 12,000 area
 

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HELP PLEASEEE with steps
zysi [14]
<h3>Answer: Choice C) 421.9</h3>

=======================================

Explanation:

You're on the right track. You wrote down the proper expression to get the final answer, assuming you meant to write 75/4 as the third term inside the parenthesis. This works because each time you cut the side length in half to get each smaller triangle's side. The 3 is because there are 3 sides for each of the triangles. Much of this I have a feeling you already know as you wrote down the expression on the page, though I'm not 100% sure of your mindset. Computing this expression leads to 421.875 which rounds to 421.9

note: an alternative is to write 3*75 + 3*75/2 + 3*75/4 + 3*75/8, though that is more work. It's better to have that 3 factored out.

8 0
3 years ago
Please help me i will give brainliest
Rzqust [24]

Answer:

the answer is A. :)

7 0
2 years ago
If the base of a square pyramid is 9 centimeters, and it has a volume of 324 cubic centimeters, what is the height of the pyrami
masha68 [24]

A

The volume (V) of a pyramid is found using the formula

V = \frac{1}{3} × area of base × height(h)

area of base = 9² = 81 ← area of a square, hence

324 = \frac{1}{3} × 81 × h = 27h ( divide both sides by 27 )

h = \frac{324}{27} = 12 → A



3 0
3 years ago
What is an equation of the line that passes through the points (4, -1) and<br> (-8, –7)?
Andreas93 [3]

Answer:

y=1/2x-3

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-7-(-1))/(-8-4)

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m=1/2

y-y1=m(x-x1)

y-(-1)=1/2(x-4)

y+1=1/2x-4/2

y=1/2x-2-1

y=1/2x-3

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[5x+6]*{(3%*5.0x)*5(7*8c)}
Diano4ka-milaya [45]

Answer:

210x²c+252xc

Step-by-step explanation:

3 0
3 years ago
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