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uysha [10]
3 years ago
14

Find the exact value if x.​

Mathematics
1 answer:
Stolb23 [73]3 years ago
8 0
33 ✨ ✨✨✨✨✨✨✨espero que te sirva
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In 30 days I lost 8 and 1/2 pounds how many pounds per week is that on average
german

Answer:

1.98 pounds

Step-by-step explanation:

One week = 7 days

Set up a ratio.

8.5/30 = x/7

x = 7(8.5)/30 = 1.98 pounds.

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4 years ago
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A 180 ft long board is cut into 3 pieces. The second piece of
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Answer:

20 feet

Step-by-step explanation:

1st piece = x

2nd piece = 2x

3rd piece = 6x

x+2x+6x=180

9x=180

x=20

so the first piece is 20 feet, the second is 40, and the third is 120.

6 0
3 years ago
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PLEASE HELP ASAP!!!! simplify this expression y=0.03y
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Step-by-step explanation:

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3 years ago
A company sells its product for $59 per unit. Write an expression for the amount of money received (revenue R) from the sale of
zaharov [31]

Answer:

R = 59x

Step-by-step explanation:

We are given the following in the question:

Cost per unit = $59

Let x units of product be sold.

We have to write an expression the amount of money received (revenue R) from the sale of x units of the product.

Revenue:

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Revenue =

\text{Unit Cost}\times \text{Units sold}\\R = 59x

is the required expression of revenue.

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4 years ago
Prove that: Cos2pi/7+cos4pi/7+cos8pi/7=-1/2
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Answer:

1. use a calculator to help

2. that's wrong because it equals 1.333...

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