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asambeis [7]
3 years ago
15

Estimate the product by rounding 9 times 54

Mathematics
1 answer:
crimeas [40]3 years ago
7 0
You estimate the product by rounding to the nearest 10:

9 becomes 10 and 54 becomes 50

9 x 50 = 450
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Help me??? i dont understand..
MaRussiya [10]

Answer:

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A tower stand on a horizontal plane. P is the top and Q is the bottom of the tower. A and B are two points on this plane such th
pochemuha

Answer:

32√5

Step-by-step explanation:

We have the right triangles PQA and PQB as well as the given right triangle QAB.

cot(PAQ) = 2/5 = QA/PQ

cot(PBQ) = 3/5 = QB/PQ

cot(PAQ) / cot(PBQ) = (2/5) / (3/5) = 2/3

cot(PAQ) / cot(PBQ) = (QA/PQ) / (QB/PQ) = QA / QB

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By the Pythagorean Theorem we have:

(QA)² + 32² = (QB)²

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(5/4) (QA)² = 1024

(QA)² = (4/5)1024 = 4096/5

QA = 64/√5

Solve for PQ.

cot(PAQ) = QA/PQ

PQ = QA / cot(PAQ)

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The height of the tower is 32√5.

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4 years ago
The perimeter of this shape is 30 feet. what is the length of the missing side
soldier1979 [14.2K]

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Step-by-step explanation:

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72+72+102=<span>246 is your Answer</span>
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