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diamong [38]
3 years ago
10

One faucet fills up a bathtub in 15 minutes while the second fills it up in 10 minutes. If both faucets are turned on, what frac

tion of the bathtub will be filled in 2 minutes?
Mathematics
1 answer:
Ostrovityanka [42]3 years ago
7 0
F1=15m F2=10m
2/15 + 2/10
4/30 + 6/30 = 10/30 or 1/3
Answer is 1/3 filled.
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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
Given: measure of angle KJ = 124°, measure of IC =38°<br><br> Find: m∠CQJ, m∠LIJ.
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Answer:

Part 1) m

Part 2) m

Step-by-step explanation:

Part 1) Find the measure of angle CQJ

we know that

The measure of the interior angle is the semi-sum of the arcs comprising it and its opposite.

m

arc\ IK+arc\ CJ=360\°-(arc\ IC+arc\ KJ)

substitute the values

arc\ IK+arc\ CJ=360\°-(38\°+124\°)=198\°

m

Part 2) Find the measure of angle LIJ

step 1

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we know that

The inscribed angle is half that of the arc it comprises.

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substitute the values

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step 2

Find the measure of angle ILJ

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The measurement of the external angle is the semi-difference of the arcs it encompasses.

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step 3

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substitute the values

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m

3 0
3 years ago
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