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igor_vitrenko [27]
4 years ago
8

A construction worker can lift 220 lb, while an architect can only lift 40 lb. The construction worker can lift how many times w

hat the architect can lift? A) 0.5 B) 5.5 C) 50 D) 550
Mathematics
2 answers:
natka813 [3]4 years ago
3 0
The answer is B because 40 goes into 220 5.5 times...
dusya [7]4 years ago
3 0
The correct answer is B.
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Answer:

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Step-by-step explanation:

Just divide 31 by 100 and you'll get your answer.

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(c) If 2a + 7b = 11 and ab = 2, find the value of 4a2 + 49b2.​
Mademuasel [1]

I hope this helps you

take both of sides paranthesis square

(2a+7b)^2=(11)^2

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777dan777 [17]

Answer:

SU=3.5\ units

Step-by-step explanation:

step 1

In the isosceles right triangle PQT

PQ=PT ----> because is an isosceles triangle

Applying the Pythagoras Theorem

we have

PQ=PT =\sqrt{2}\ units

QT^{2}=PQ^{2} +PT^{2}

substitute the values

QT^{2}=\sqrt{2}^{2} +\sqrt{2}^{2}

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step 2

In the square QRST

RS=QT=2\ units

step 3

In the right triangle RSU

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we have

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substitute the values and solve for SU

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SU^{2}=4^{2}-2^{2}

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May I see the categories?

Step-by-step explanation:

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