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Flura [38]
3 years ago
9

Machine A takes a hours to make 100 bolts, and machine B takes b hours to make 100 bolts. How many

Mathematics
1 answer:
Temka [501]3 years ago
4 0

Answer:

100(1/a + 1/b)

Step-by-step explanation:

Machine A takes a hours to make 100 bolts

  • Then machine A makes 100/a bolts in one hour

Machine B takes b hours to make 100 bolts

  • Then machine B makes 100/b bolts in one hour

<u>Two machines will make:</u>

  • 100/a + 100/b = 100(1/a + 1/b)

bolts in one hour

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Ivenika [448]

Answer:

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Step-by-step explanation:

32 - 2 = 30

30 - 2 = 28

From those 28 left that Sarah has left, divide by 4 to get 7 in each group remaining.

4 0
2 years ago
Read 2 more answers
Please help I don't understand​
7nadin3 [17]

Answer:

1<x≤8

Step-by-step explanation:

x is greater than one, but is less than or equal to 8

4 0
3 years ago
Please answer and explain<br> If I’m correct you subtract, right?
krek1111 [17]
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4 0
3 years ago
What is the radius of the base of the cone in the figure below?
liubo4ka [24]

Answer:  approximately 12.17 units

==========================================================

Work Shown:

We'll use the tangent ratio to find r

tan(angle) = opposite/adjacent

tan(49) = 14/r

r*tan(49) = 14

r = 14/tan(49)

r = 12.1700143294271

r = 12.17

The radius is approximately 12.17 units long.

7 0
2 years ago
there are 6 pure spectral color : red,orange,yellow, green,blue, and violet. some animals cannot see orange or red. what fractio
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