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almond37 [142]
2 years ago
12

Expression when m=8 and n=7 n+6m

Mathematics
2 answers:
Cloud [144]2 years ago
8 0
In the expression n+6m, subst. 8 for m and 7 for n:

7+6(8) = 55 (answer)
Andrews [41]2 years ago
7 0
All you have to do is plug m and n into the equation:

n+6m

Since n=7, you'll get:

7+6m

And since m=8, you'll get:

7+6(8)

And by doing the order of operations (PEMDAS), you'll start off multiplying 6 and 8, which is 48, then add 7, which is 55.

Your answer should be 55!
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Answer:

Mark drove 4 hours

Mary drove 6 hours

Step-by-step explanation:


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2 years ago
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Which of the following is a valid exclusion for the algebraic fraction 8ab^2x/4a^2b - 8ab^2
avanturin [10]

The valid exclusion of the algebraic fraction is (c) a =0, b =0, a =2b

<h3>How to determine the valid exclusion?</h3>

The expression is given as:

8ab^2x/4a^2b - 8ab^2

Set the denominator to 0

4a^2b - 8ab^2 = 0

Divide through by 4ab

a - 2b = 0

Add 2b to both sides

a = 2b

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Read more about algebraic fraction at:

brainly.com/question/4344214

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7 0
1 year ago
In the zy-plane the graph of y = -4x - 2 crosses the y - axis at the point (0,k). What is the value of k
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7 0
2 years ago
Environmentalists concerned about the impact of high-frequency radio transmissions on birds found that there was no evidence of
babunello [35]

Answer:

No, we cannot conclude anything about 0.10

Yes, they have made the same decision.

Step-by-step explanation:

Consider the provided information.

Part (A)

They based this conclusion on a test using α = 0.05. Would they have made the same decision at α = 0.10

A significance level of 0.05 indicates a 5% risk of concluding that a difference exists

From the normal table the critical value is Z(0.05) = 1.645 and we accept null hypothesis.

If α = 0.1, the critical value is Z(0.1)=1.28

1.28 is less than 1.645.

Therefore, we cannot conclude anything about 0.10

Part (B)

α = 0.01, the critical value is Z(0.01)=2.33

The critical value of α = 0.05 is 1.645 which is less than 2.33,

So we would again reject the null hypothesis.

Hence, they have made the same decision.

6 0
3 years ago
Yesterday, Chang planted 6 trees that were each 8 feet tall in his yard. Chang projects the trees to grow at the following annua
soldier1979 [14.2K]

Answer:

Sugar Maple

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Fraser Fir

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Oak

8 + 4x = 28

Linden

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Step-by-step explanation:

i hope this helps!!

7 0
2 years ago
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