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Pani-rosa [81]
3 years ago
9

Evaluate 4m-7,when m = 5

Mathematics
2 answers:
sergeinik [125]3 years ago
6 0

Answer: 13

Step-by-step explanation:

You would substitute the 5 where m is and then multiply the 4x5=20 then you would take that 20 and subtract 7. 20-7=13

Wittaler [7]3 years ago
3 0
13 use your calculator homie
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Step-by-step explanation: 132 x 6 = 792

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Hope this helps

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4 years ago
A fair coin is tossed 3 times. What is the probability that the coin with land showing heads on all three tosses.
Vesna [10]

Answer:2/3

Step-by-step explanation:

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3 years ago
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4 0
3 years ago
A line goes through the point (6,-2) and has a slope of -3. What is the value of a if the point (a,7) lies on the line?​
Vikki [24]

Answer:

<h2>a = 3</h2>

Step-by-step explanation:

The slope of a line given two points can be found by using the formula

m =  \frac{ y_2 - y _ 1}{x_ 2 - x_ 1}  \\

From the question the slope is - 3

To find the value of a we have

- 3 =  \frac{7 -  - 2}{a - 6}  \\  - 3 =  \frac{7 + 2}{a - 6}  \\  - 3(a - 6) = 9 \\  - 3a + 18 = 9 \\  - 3a = 9 - 18 \\  - 3a =  - 9

Divide both sides by - 3

\frac{ - 3a}{ - 3}  =  \frac{ - 9}{ - 3}  \\

We have the final answer as

<h3>a = 3</h3>

Hope this helps you

3 0
3 years ago
Read 2 more answers
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Answer:

Step-by-step explanation:

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5 0
3 years ago
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