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MatroZZZ [7]
4 years ago
15

If x2 = 20, what is the value of x?

Mathematics
1 answer:
Nikitich [7]4 years ago
4 0

Answer:

± \sqrt{20}

Step-by-step explanation:

Given

x² = 20 ( take the square root of both sides )

x = ± \sqrt{20}

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Kenya Kon sells dishwashers. He earns an 8% commission on sales. How much must be sell in order to earn $3000?
Karolina [17]
Use a variable to solve for this.

x * .08 = 3000

Divide by .08 on both sides.
x = 37500

We can check this by inputting 37500 for x.

37500 * .08 = 3000
3000 = 3000

Kenya Kon must earn $37500 to earn $3000.
8 0
3 years ago
Read 2 more answers
A company that produces video games has hired you to set the sale price for its newest game. based on the production costs and c
nikitadnepr [17]

Answer: 500 dollars

You just plug in 100 to the x’s in the equation

8 0
3 years ago
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18. Water is stored in a cylindrical tank with a diameter of 36 feet. The surface
Sidana [21]

Answer:

h = 21 feet

Step-by-step explanation:

surface area = 2 (pi) r^2 + (pi) × d × h

=(2 × (pi) × 18) + ((pi) × 36 × h)

=72(pi) × h

226.194671059 × h = 4750.1

h = 21 feet

5 0
3 years ago
Help me please thank you
kramer

Answer:

50 cents per lollipop

Step-by-step explanation:

The full bag of lollipops costs 5.99 for 12 lollipops. You must use proportions.

5.99. _ X

———. ——

12. 1

Cross multiply to get 5.99 = 12x. Isolate the variable (x) by dividing by 12. 5.99/12 = 0.499166666666667

Because it is a price, round to the nearest hundredth and it costs about 50 cents per lollipop

3 0
3 years ago
Read 2 more answers
You have a large container of olive oil. You have used 22 and 1/2 quarts of oil. Twenty five percent of the olive oil remains. H
Nata [24]

Answer:

There is <u>7.5 quarts </u>of olive oil remaining.

Step-by-step explanation:

25% = 1/4

22.5 quarts = 3/4

22.5 ÷ 3 =<u> 7.5 quarts remaining</u>

7 0
3 years ago
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