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IRISSAK [1]
3 years ago
11

Kareen correctly answered 85% of the questions on his math test. If he answered 34

Mathematics
1 answer:
Levart [38]3 years ago
6 0

Answer:

40

Step-by-step explanation:

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The scores on an exam are listed. If a teacher wants to explain how poorly the class did on the test, would she use the mean, me
Natasha_Volkova [10]
Mean because the mean is an average. That gives an overall understanding of what the entire class did.
4 0
3 years ago
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A square pyramid with a base of 8 inches by 8 inches and a height of 6 inches.
mart [117]

Answer:

A) The area of the base of the pyramid, B, is 64 in.2

C) A square prism with dimensions 8 inches by 8 inches by 6 inches will have a volume three times as large as this pyramid.

<em><u>Hope this helps!</u></em>

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7 0
3 years ago
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Solve the system of linear equations using linear combination.
brilliants [131]
3a + 6b = 45
2a - 2b = -12....multiply by 3
----------------
3a + 6b = 45
6a - 6b = - 36 ...(result of multiplying by 3)
---------------add
9a = 9
a = 1

3a + 6b = 45
3(1) + 6b = 45
3 + 6b = 45
6b = 45 - 3
6b = 42
b = 7

solution is : (1,7)
6 0
2 years ago
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HELP ASAP!!! 40 POINTS
ICE Princess25 [194]

Using derivatives, it is found that the x-values in which the slope belong to the interval (-1,1) are in the following interval:

(-15,-10).

<h3>What is the slope of the tangent line to a function f(x) at point x = x0?</h3>

It is given by the derivative at x = x0, that is:

m = f^{\prime}(x_0).

In this problem, the function is:

f(x) = 0.2x^2 + 5x - 12

Hence the derivative is:

f^{\prime}(x) = 0.4x + 5

For a slope of -1, we have that:

0.4x + 5 = -1

0.4x = -6

x = -15.

For a slope of 1, we have that:

0.4x + 5 = 1.

0.4x = -4

x = -10

Hence the interval is:

(-15,-10).

More can be learned about derivatives and tangent lines at brainly.com/question/8174665

#SPJ1

8 0
2 years ago
What percent of 16 is 10
e-lub [12.9K]

62.5 is the answer to your question

8 0
3 years ago
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