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icang [17]
3 years ago
15

A factory manufactures a metal piece in 32 minutes. New technology allowed the factory to cut that time by 8%. Then another impr

ovement cut the time by 5%. How long does it take to manufacture the piece now? Round your answer to the nearest minute
Mathematics
1 answer:
OverLord2011 [107]3 years ago
6 0

Answer:

28 minutes

Step-by-step explanation:

we know that

1) A factory manufactures a metal piece in 32 minutes

2) New technology allowed the factory to cut that time by 8%

Remember that

100\%-8\%=92\%=92/100=0.92

In this part 32 minutes represent the 100%

To find out how long  it take to manufacture the piece, multiply 32 minutes by the factor 0.92

32(0.92)=29.44\ min

3) Then another improvement cut the time by 5%

Remember that

100\%-5\%=95\%=95/100=0.95

In this part 29.44 minutes represent the 100%

To find out how long  it take to manufacture the piece now, multiply 29.44 minutes by the factor 0.95

29.44(0.95)=28\ min

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A sector with a radius of 15 cm has a central angle measure of 8π/5 what is the area of the sector
Inessa05 [86]

Answer:

area of the sector = 360π cm²

Step-by-step explanation:

To calculate the area of the sector, we will follow the steps below;

First write down the formula for calculating the area of a sector.

If angle Ф is measured in degree, then

area of sector = Ф/360   × πr²

but if angle Ф is measured in radians, then

area of sector = 1/2 × r² × Ф

In this case the angle is measured in radiance, hence we will use the second formula

From the question given, radius = 15 cm  and angle Ф = 8π/5

area of sector = 1/2 × r² × Ф  

                         =1/2 × 15² ×  8π/5

                         =1/2 ×225 × 8π/5

                          =360π cm²

area of the sector = 360π cm²

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3 years ago
What is the greatest common factor of the polynomial -25y^3+15y^2-5y
Sonbull [250]

Answer:

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Step-by-step explanation:

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3 years ago
What is the answer to thisss?
Kryger [21]

The value of x is 14

<h3>How to solve for x?</h3>

From the question, the lines from the center of the circle to the chords have equal measures of 9 units

This line divides a chord into equal segments, where each segment is 7 units

So, we have:

x = 7 + 7

Evaluate

x = 14

Hence, the value of x is 14

Read more about chords at:

brainly.com/question/13950364

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The arithmetic sequence for which a1= 5 and a8= 33
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do u want the difference?

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Find the BASE of a triangle if its height is 14 inches and the area is 245 square inches. *
kaheart [24]

Answer:

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Step-by-step explanation:

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2 years ago
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