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Svetach [21]
3 years ago
8

What is the value of n ?

Mathematics
1 answer:
Nina [5.8K]3 years ago
6 0

Answer:

n=10

Step-by-step explanation:

5n-20=3n

-20=-2n

10=n

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2
IgorC [24]

Answer:

L= 10 in

W= 7 in

Step-by-step explanation:

Given data

let the widht be x

W= x

L= x+3

P=34 in

We know that

P=2L+2W

34= 2(x+3)+ 2(x)

34= 2x+6+2x

collect like terms

34= 4x+6

34-6= 4x

28= 4x

divide both sides by 4

x= 28/4

x=7

Put x= 7 in

L= x+3

L= 7+3= 10

Hence the width is 7in the length is 10 in

5 0
3 years ago
What do the sides in a triangle add up to? I know that the inner angles of a triangle add up to 180°, but what do the sides of a
julia-pushkina [17]

Answer:

The most basic fact about triangles is that all the angles add up to a total of 180 degrees. The angle between the sides can be anything from greater than 0 to less than 180 degrees. The angles can't be 0 or 180 degrees, because the triangles would become straight lines.

Step-by-step explanation:

basic only

5 0
2 years ago
Hazel has 1 3\4 cups of rice. It takes 1 \8cup of rice to make one cup of chicken and rice soup. How many cups of chicken and ri
sleet_krkn [62]
Answer: 3 1/8
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7 0
2 years ago
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By 2 2 1 S ut  at , where S is the distance traveled, u is the initial velocity, a is the acceleration, and t is the time. Whi
slamgirl [31]

Answer:

Step-by-step explanation:

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u is the initial velocity,

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Hence the acceleration a in terms of other variables is expressed as a = 2(S-ut)/t²

8 0
3 years ago
A quadrilateral is shown. One pair of opposite sides have lengths of 10 inches and (x + 2) inches. The other pair of opposite si
ziro4ka [17]

Step-by-step explanation:

Yes, one pair of opposite sides could measure 10 inches. and the other pair could measure 13 inches

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2 years ago
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