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Rainbow [258]
2 years ago
15

A student can solve 12 math problems in 45 minutes. How long will it take the student to complete 20 problems if all the problem

s take the same amount of time?
Mathematics
1 answer:
Alekssandra [29.7K]2 years ago
7 0

Answer:

75min or 1 hour 15min

Step-by-step explanation:

45/12 = 3.75min per problem

3.75 x 20 = 75min or 1 hour 15min

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Step-by-step explanation:

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I’ve never been so confused, this is due in a few minutes, pls help if you can!
algol13

Given:

m(ar QT) = 220

m∠P = 54

To find:

The measure of arc RS.

Solution:

PQ and PT are secants intersect outside a circle.

<em>If two secants intersects outside a circle, then the measure of the angle formed is one-half the positive difference of the measures of the intercepted arcs.</em>

$\Rightarrow \angle P = \frac{1}{2} (m \ ar (QT) - m \ ar (RS ))

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Multiply by 2 on both sides.

$\Rightarrow 2 \times 54 = 2 \times  \frac{1}{2} (220- m \ ar (RS ))

$\Rightarrow 108= 220- m \ ar (RS )

Subtract 220 from both sides.

$\Rightarrow 108-220= 220- m \ ar (RS )-220

$\Rightarrow -112= -m \ ar (RS )

Multiply by (-1) on both sides.

$\Rightarrow (-112)\times(-1)= -m \ ar (RS )\times(-1)

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6 0
3 years ago
Please help me fill in the missing number ​
adelina 88 [10]

Answer:

6

Step-by-step explanation:

3/4 / 6 = 3/4 x 1/6, which equals 3/24

and prodigy is a good game :D

8 0
3 years ago
You are making a welding fixture and must cut down a length of copper tubbing from 15 1/8 inches to 8 3/4 inches. If the leftove
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Answer: 51/8 inches

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The LCM will be 8

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3 years ago
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Phoenix [80]
Good luck to you! Any questions, ask away.

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2 years ago
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