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Ghella [55]
3 years ago
8

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

Mathematics
1 answer:
Iteru [2.4K]3 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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A 75 lb boy and a 65 lb girl play on a seesaw. The seesaw is 14 ft long and is pivoted exactly in the middle. If the girl sits o
GREYUIT [131]

Answer:  6 feet from the pivot point

<u>Step-by-step explanation:</u>

Girl's weight x distance from center = Boy's weight x distance from center

65 (7) = 75x

\dfrac{65(7)}{75}=x

6.066 = x

The boy needs to be placed 6 feet from the center (aka pivot point) which is the same as saying 1 foot from the end of the seesaw.

5 0
3 years ago
If angle 2 = 48, determine the measure of angle 5.
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Answer:

Angle 2 = 48

we are going to divide 48 by 2 to get the Angle 1

Angle 1 = 24

then Angle 5 = (5×24)

<em><u>Angle</u></em><em><u> </u></em><em><u>5</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>1</u></em><em><u>2</u></em><em><u>0</u></em>

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in Jillian harden there are 3 rows of carrots 2 rows of beans and 1 row of peas. there are 8 plants in each row. how many plants
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There are 48 plants in the garden
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4 years ago
Figures that have the same size and same shape. Their corresponding angles and sides are the same size. whats the answer?
Irina-Kira [14]

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prostokąt i kwadrat

7 0
3 years ago
Due today :(((((((((((((((
SVETLANKA909090 [29]

Answer:

E(last one)

Step-by-step explanation:

We dont know much for this, so lets just go over the basics of what we know:

Most of the numbers are between 2-7.

Very very few of the numbers are 9<

Now there is the number 8, which is not spoken of, so we can just conclude that it doesnt matter how many we see in a list of numbers.

Now, looking at each, we should be able to figure out which one is correct by which set of numbers has the lowest amount of numbers between 9<.

In the first case, 3 of the numbers are 9<(9, 9, and 11)

In the second case, 7 of the numbers are 9<(14, 11, 12, 9, 10, 9, 11)

In the third case, 3 of the numbers are 9<(14, 9, 11)

In the fourth case, 5 of the numbers are 9<(12, 14, 10, 11, 11)

Finally, in the fifth case, 2 of the numbers are 9<(9, 10)

So it must be the fifth answer, since it has the least with numbers 9<.

Hope this helps!

Love your profile picture by the way :D

Note that if it is multiply choice, the first, second, and fifth answer would work.

If it is single choice, then it will definatly be the fifth answer.

3 0
3 years ago
Read 2 more answers
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