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Tanya [424]
4 years ago
13

How do you do this? (Volume)

Mathematics
1 answer:
pochemuha4 years ago
6 0

Answer:

220 yd²

Step-by-step explanation:

You can break this shape into two pieces and find the volume of each piece, then add them together.

Let me know if you need further explanation.

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Chau will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of $44 and costs an
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3 years ago
Accuracy refers to A) a statement or idea that can be falsified B) how close repeated measurements of the same sample are to one
Vedmedyk [2.9K]

Answer: D) how close a measured value is to the actual value.

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3 0
3 years ago
A rectangle has a perimeter of 30 feet and an area of 50 square feet. What are the dimensions of the rectangle?
REY [17]
Perimeter (p) = 2×length (l) + 2×width (w)
p = 2l+2w
area (a) = l×w, so solve for one (I'll use l):
a = l \times w \\ l =  a \div w \\ p = 2l + 2w = 2(l + w)
since p = 30, and a = 50, substitute the "a÷w" in for l in the perimeter equation:
p = 2(l + w) = 2((a \div w) + w) \\  = 2((a \div w) + ( {w}^{2} \div w)) \\  p= 2((a +  {w}^{2}) \div w
Now plug in p and a values:
p= 2((a +  {w}^{2}) \div w) \\ 30 = 2((50 +  {w}^{2}) \div w)  \\ 30 \div 2 = (50 +  {w}^{2}) \div w \\ 15w = 50 +  {w}^{2}
15w = 50 +  {w}^{2}  \\  {w}^{2}  - 15w + 50 = 0 \\ (w - 5)(w - 10) = 0
therefore width can be either 5 or 10 (but not both), so let's plug in:
l = a÷w = 50÷5 = 10
So if w = 5, then l = 10

D) 5 feet, and 10 feet
3 0
3 years ago
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