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pogonyaev
3 years ago
8

sue has 55 inches of ribbon. She wants to cut the ribbon into 6 equal pieces. How long will each piece be?

Mathematics
1 answer:
Tresset [83]3 years ago
8 0
You know that Sue has 55 inches of ribbon. If she wants to split it into 6 EQUAL pieces, she has to divide. 55 divided by 6 is 9.7 . The 6 equal pieces will have to be 9.7 inches long.
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2 x 6 - 21 divided by 7
Tresset [83]
Hi there!

The answer is -1.2857

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8 0
3 years ago
The length of a rectangle is four times the width. The perimeter of the rectangle is 45 inches. Write a system of equations that
wolverine [178]

Answer:

Let l be the length and w the width of the rectangle.

P as the perimeter and A as the area.

length of a rectangle is four times the width:

w = w

l = 4w

System of equation : 2l + 2w = P

Substitute:

2(4w) + 2w = 45

8w + 2w

10w = 45

w = 45 / 10

w = 4.5

Solve for l:

l = 4w

l = 4(4.5)

l = 18

Area:

A = lw

A = 18(4.5)

A = 81 in²

8 0
3 years ago
Read 2 more answers
7.
liraira [26]

Answer:

A geometric series has a positive common ratio r. The series has a sum to infinity of 9 and the

sum of the first two terms is 5. Find the first four terms of the series.

Step-by-step explanation:

A geometric series has a positive common ratio r. The series has a sum to infinity of 9 and the

sum of the first two terms is 5. Find the first four terms of the series.

8 0
3 years ago
Re-write this subtraction as an ADDITION of signed numbers. 3 − 7
hoa [83]

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4 0
3 years ago
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If (x - 4) varies inversely as (y + 3) and x = 8 when y = 2, what is x when y = - 1?
denpristay [2]

Answer:

x=14

Step-by-step explanation:

If two values are inversely proportional, their product must be maintained. That way, if one value goes up, the other goes down by the same extent.

Therefore, if (x-4) and (y+3) vary inversely, their product will be the same for all values of x-4 and y+3.

Let x=8 and y=2 as given in the problem. Substitute values:

(8-4)(2+3)=(4)(5)=20

Hence, the maintained product is 20.

Thus, we have the following equation:

(x-4)(y+3)=20

Substitute y=-1 to find the value of x when y=-1:

(x-4)(-1+3)=20,\\(x-4)(2)=20,\\x-4=10,\\x=10+4=\boxed{14}

3 0
2 years ago
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