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Morgarella [4.7K]
3 years ago
15

1. The length of a rectangle is 3 in. more than the width. The perimeter of the rectangle is 24 in.

Mathematics
1 answer:
Westkost [7]3 years ago
4 0

Answer:

Let the width be x

Length = x + 3

Perimeter = 2(l+b)

24 = 2(x+3+x)

12 = 2x + 3

2x = 9

x = 4.5

Width = 4.5 in

Length = 4.5+3 = 7.5 in.

Hope this helps!

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3.) Which expression(s) are equivalent to 20?
Goryan [66]

Your choices of answers are not clear, is the letter x a variable or a multiplication?

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8 0
2 years ago
If the mean of the following distribution is 91 and sum of frequencies is 150 find x and y
nydimaria [60]

Answer:

Step-by-step explanation:

Mean = ∑x/ N

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7 0
3 years ago
The equation of a circle is x2 +y2 =81 what is the diameter of the circle
Assoli18 [71]

Answer:

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4 0
2 years ago
Find a6 for an arithmetic sequence where a1=3x+1 and d=2x+6​
abruzzese [7]

Answer:

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Step-by-step explanation:

The nth term of an arithmetic sequence is

a_{n} = a₁ + (n - 1)d

Here a₁ = 3x + 1 and d = 2x + 6 , then

a₆ = 3x + 1 + 5(2x + 6)

    = 3x + 1 + 10x + 30

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7 0
3 years ago
Read 2 more answers
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