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s2008m [1.1K]
3 years ago
5

Multiply or divide. write fractions in simplest form.

Mathematics
1 answer:
evablogger [386]3 years ago
8 0

Answer:

3/4

Step-by-step explanation:

(-2/7) / (-8/21)

When dividing by a fraction flip it over and multiply

(-2/7) * (-21/8)

Cancel 2 and 8

(-1/7) * (-21/4)

Cancel 7 and 21

(-1/1) * (-3/4)

multiply

3/4

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A corn silo contains 8,250 cubic feet of corn before it is
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Answer:

V=8250-18*c

Step-by-step explanation:

The equation will be:

V=8250-18*c

Where:

  • V is the volume of corn in the silo after loading begins.
  • 8250 is the initial volumen on the silo before the loading begins.
  • 18 is the 18 cubic feet per hour given as rate of loading.
  • c is the number of hour elapsed after loading begins.

To find the volume, V, of the  corn in the silo c hours after loading begins, we substract from the initial volume the quantity of corn loaded and this is 18*c, that is the number of hour elapsed multiplyed by the rate of loading.

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What is the solution for -10 -19<br>x -1
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Simplify the expression.<br> (7x4)?<br> (7x4)2 =
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4 years ago
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lbvjy [14]
14


Step by step explanation
5 0
3 years ago
A coffee distributor needs to mix a(n) Mexican Shade Grown coffee blend that normally sells for $8.30 per pound with a House cof
Aleksandr [31]

Answer:the number of pounds of the Mexican Shade Grown Blend that should be mixed is 11

the number of pounds of the House Blend that should be mixed is 9

Step-by-step explanation:

Let x represent the number of pounds of the Mexican Shade Grown Blend that should be mixed.

Let y represent the number of pounds of the House Blend that should be mixed.

The total number of pounds of coffee created is 20. It means that

x + y = 20

The Mexican Shade Grown coffee blend normally sells for $8.30 per pound with a House coffee blend normally sells for $13.70 per pound. The mixed coffee can sell for $10.73 per pound. This means that the total cost of 20 pounds would be 20 × 10.73 = $214.6

Therefore,

8.3x + 13.7y = 214.6 - - - - - - - - - 1

Substituting x = 20 - y into equation 1, it becomes

8.3(20 - y) + 13.7y = 214.6

166 - 8.3y + 13.7y = 214.6

- 8.3y + 13.7y = 214.6 - 166

5.4y = 48.6

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x = 11

5 0
3 years ago
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