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Ghella [55]
2 years ago
8

What is the value of 4x-1/2y-12 when x=5 and y=20

Mathematics
1 answer:
Iteru [2.4K]2 years ago
7 0

Answer:

the answer is -2

Step-by-step explanation:

Since x=5 and y=20, plug those values into the correct variables in the equation of 4x-1/2y-12.

When we do that it brings us to:

4(5)-1/2(20)-12

Then we just simplify:

20-10-12

Simplify again:

10-12

So 10-12 is -2, therefore -2 is the answer

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Evaluate the expression |-2| + |-5|​
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Read 2 more answers
0.145 as a fraction or a mixed number.
Vlad1618 [11]

we can convert any decimal to a fraction, by simply <u>using as many zeros at the bottom as there are decimals, and losing the dot atop</u>, now let's do so, notice we have 3 decimals, so we'll use 3 zeros.


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3 years ago
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denis23 [38]

Answer:

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4. 1

7. -4

8. 3

11. undefined (vertical line)

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Step-by-step explanation:

You can use the slope formula to calculate the slope which is (y2-y1)/(x2-x1)

3. (-4 - (-2)) /  (6-6)  denominator is 0 here so the slope is undefined (vertical line)

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