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Stella [2.4K]
2 years ago
11

Answer the question provided in the picture below. (Write a paragraph) 70 points and a brainiest.

Mathematics
1 answer:
viktelen [127]2 years ago
8 0

Answer:

a

Step-by-step explanation:

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In 1983, a pair of jeans cost $66.35. If a pair of jeans costs $118.10 today, what is the CPI?
Alex73 [517]
Answer choice C
118.10/66.35=1.779 or 1.78
1.78x100=178
3 0
3 years ago
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Find the value of the expression<br> b + 1 + c + 6<br><br> for b = 4 and c = 9.
bearhunter [10]
The answer is 20 because you are adding 4 + 1 + 9 + 6= 20
7 0
3 years ago
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A chemist has 10% and 40% solutions of acid available. How many liters of each solution should be mixed to obtain 120 liters of
kaheart [24]

Answer:

100 liters of  10% solution is used and 20 liters of  40% solution is used

Step-by-step explanation:

Let "X" amount of 10% solution is used. Then the amount of 40% solution used is equal to 120-X

Now

10% of X + 40% of (120-X) = 15% of 120

On solving the above equation, we get

0.1 X + 0.4 (120-X) = 0.15 *120\\0.1 X + 48 -0.4X = 18\\0.3 X = 30\\X = 100liters

Amount of 40% solution used  = 120 -X = 120-100 = 20 liters

100 liters of  10% solution is used and 20 liters of  40% solution is used

7 0
2 years ago
The endpoints of a circle's diameter are (5, -4) and (5, 4). What is the area of the circle in terms of pi?
masha68 [24]

Answer:

Step-by-step explanation:

d and r are the diameter and radius, respectively.

d = 8 units

r = 8/2 = 4 units

area = πr² = 16π square units.

5 0
2 years ago
Simplify 3√p^4q^6r^5
jeka94

Answer:

3p^2q^3r^2√r

Step-by-step explanation:

3√p^4q^6r^5

= 3p^2q^3r^2√r

Hope that helps

3 0
3 years ago
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