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soldier1979 [14.2K]
3 years ago
12

the length of a rectangle is six feet less than twice the width. if the perimeter of the rectangle is 48, find both lengths

Mathematics
1 answer:
Debora [2.8K]3 years ago
5 0
Length=16
Width=8

8×2=16. 8+8=16. 16+16+16=48
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Factor tree for 30 and 54
elena-14-01-66 [18.8K]

Answer:

30|2

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54|2

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5 0
3 years ago
Read 2 more answers
On a scale drawing, a bicycle is 6 4/5 inches tall. The scale factor is 1/6. Find the height of the bicycle
Fantom [35]

The height will be six times what is on the drawing.

6 4/5 x 6 = 36 24/5 = 40 4/5 inches tall.

3 0
3 years ago
A n =−1+3(n−1) an=−1+3(n−1) what is the 55 term in the sequence
Sindrei [870]
ANSWER

a_{55}=161


EXPLANATION

The general term for the sequence is


a_n=-1+3(n-1)


To find the 55th term, we have to substitute
n = 55
in to the general term and simplify.



This implies that,

a_{55}=-1+3(55-1)



a_{55}=-1+3(54)




a_{55}=-1+162



a_{55}=161


Therefore the 55th term is 161.
8 0
3 years ago
PLEASE HELP 7TH GRADE 100 PTS!!!
MariettaO [177]

f(x) = 5x is linear. Just a straight line with a slope of +5. So if the intervals are both a difference of 1, then the average rate of change will be the same.

f(x2) - f(x1) over x2 - x1. That's the formula for average rate of change.

So for Section A:

f(x) = 5x, (0,1)

[f(1) - f(0)]/(1-0)

= [5(1) - 5(0)]/1

=(5)/1

=5

Do the same for section B and you'll get 5 as well.

I hope this helps you because I have no clue if my answer is right

6 0
3 years ago
Which equation in slope intercept represents the line that goes through the points (-1, -5) and (1, -1)
Svetllana [295]

Answer:

Step-by-step explanation:

First of all, I drawed this graph and uploaded it for you...

We know that a line equation is y = ax + b and I want to know which equation goes through the points (-1, -5) and (1, -1).

Let's put these points in the algebreac expression of line to find the correct equation:

-5 = a. (-1) + b

-1 = a.(1) + b

solving this system of equation by elimination, we find 2b = -6 and b = -3.

Then, -5 = -a + (-3)

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a = 2

Finally, our line equation is y = 2x - 3

The slope also is represented by a. So, the slope is 2.

8 0
3 years ago
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