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Mashutka [201]
3 years ago
9

PLEASE HELP

Mathematics
1 answer:
VikaD [51]3 years ago
8 0

Answer:

1,172.3 cm³

Step-by-step explanation:

Find the volume of one rod, then divide the total volume of steel used by the volume of one rod.  The volume of one rod is

V = (πd²/4)h

d = 4 cm

h = 20 cm

Plugin the numbers and get V in cm³, then divide the given total volume of 28,134.4 cm³ by V.  If the result is not an integer, then round down.

Add

20 + 4 = 24

Then

28,134.4 ÷ 24 = 1172.26

Rounded to the nearest 0.1 or  the Tenths Place = 1,172.3

Therefore, 1,172.3 rods will be made per hour.

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Original price:$50;Markdown:22%;Retail price
Dmitriy789 [7]

Answer:

The retail price is: $39

Step-by-step explanation:

The original price is $50. With a markdown of 22$, what is the new or retail price?

Subtract 22% of the original price from the original prices:

$50 - (50 * 22%) =

50 - (50 * .22) =

50 - 11 = $39

Proof:

11/50 = .22 or 22%

Hope this helps!! Have an Awesome Day!

8 0
4 years ago
What is the measure of angle A in the triangle?
rewona [7]

Answer:

Angle A = 50

Step-by-step explanation:

We know the 3 angles of a triangle add to 180

A + B+C = 180

2x-10 + 70 + x+30 = 180

Combine like terms

3x+90 = 180

Subtract 90 from each side

3x+90-90=180-90

3x = 90

Divide by 3

3x/3 = 90/3

x = 30

We want to find angle A

Angle A = 2x-10

              = 2(30) -10

               = 60-10

                = 50

5 0
3 years ago
Read 2 more answers
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Answer:

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Step-by-step explanation:

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3 years ago
Based on the equation 3x + 8y = 48, what is the missing value in the table?
IceJOKER [234]

Answer:

24x

Step-by-step explanation:

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4 years ago
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s2008m [1.1K]
Letter A is the correct answer because you can obviously exit out c and d, but yo get a good phrase you might as well have some parentheses to make this work because without it, would be confusing :)
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4 years ago
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