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elena55 [62]
3 years ago
7

Given this number line, AB=?

Mathematics
2 answers:
Marta_Voda [28]3 years ago
6 0

Answer:

28

Step-by-step explanation:

AB

4(7)=28

ss7ja [257]3 years ago
4 0
AB= 28 because when 2 variables or numbers are together, that means multiply those 2, so A= 4 and B= 7, 4 x 7= 28
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In parallelogram MNPQ, side MN is seven inches longer than twice the length of side NP. If the perimeter of MNPQ is 68 inches, t
Svetlanka [38]

Answer: NP = 9 inches

Step-by-step explanation:

In a parallelogram, the opposite sides are equal.

If the length of the longer side is MN, it means that the length of the two opposite longer sides is 2MN.

If the length of the shorter side is NP, it means that the length of the two opposite shorter sides is 2NP.

The perimeter is 2MN + 2NP

If the perimeter of MNPQ is 68 inches, it means that

2MN + 2NP = 68- - - - - - - - - - - -1

In parallelogram MNPQ, side MN is seven inches longer than twice the length of side NP. It means that

MN = 2NP + 7- - - - - - - - - - -2

Substituting equation 2 into equation 1, it becomes

2(2NP + 7) + 2NP = 68

4NP + 14 + 2NP = 68

4NP + 2NP = 68 - 14

6NP = 54

NP = 54/6

NP = 9 inches

6 0
3 years ago
Find the volume of the figure.
77julia77 [94]

Answer:

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8 0
3 years ago
Read 2 more answers
5 + 3 . 3x-2 , let x=2
LiRa [457]

Answer:

8

Step-by-step explanation:

6 0
3 years ago
Please help me solve x-6=-4x-11
labwork [276]

Answer:

<h2>-1  2/3</h2>

Step-by-step explanation:

x-6=-4x-11

+x     +x

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+11     +11

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8 0
3 years ago
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marishachu [46]
The sum of all the measurements is just the average times the number.

\bar x = \frac{1}{n} \sum_{i=1}^n x_i

\sum_{i=1}^n x_i = n \bar x

So if the average of all 92 is 7 the sum of those is 92 \times 7

The average of the last two is 7.2 so their sum is 2 \times 7.2

That means the sum of the first 90 is 92 \times 7 - 2 \times 7.2

so the average of the first 90 is

 \dfrac{92 \times 7 - 2 \times 7.2}{90} = 6.99556 cm



7 0
3 years ago
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