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Bumek [7]
3 years ago
11

find the length, width, area, and perimeter of a rectangle where the length is 5 units more than the width and the perimeter is

9 times the width

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

Step-by-step explanation:

L= W+5

P= 9W

P= 2L+ 2W

9W= 2(W+5) + 2W

9W= 2W +10 +2W

9W = 4W +10

5W = 10

W = 2

L=7

P= 9(2)

P= 18

A= LW

A= 7 x 2

A= 14

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What is the base of the exponetim the function f(x)=3(3/8)^2 when the function f(x)=3
galina1969 [7]

Answer:

Depending on what the equation is (see below for options) answers are:

\frac{log1}{log\frac{3}{8}} = x or -1,1=x

Step-by-step explanation:

Two possibilities are present:

  • The base of an exponential function is the number raised to an exponent of x. f(x) = 3(3/8)^x. The base here is 3/8. To find when f(x) = 3, then substitute and solve. 3=3(\frac{3}{8})^x\\1=(\frac{3}{8})^x\\log 1 = log \frac{3}{8}^x\\\frac{log1}{log\frac{3}{8}} = x
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3 0
3 years ago
Janeile has 6 hours to spend training for an upcoming race. She completes her training by running full speed the distance of the
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Answer:

running 1.5 hours

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Step-by-step explanation:

Let the amount of time she spends on walking be x

d/3 + d/9 = 6            Multiply by 9

3d + d = 6*9

4d = 54                     Divide by 4

4d/4 = 54/4            

d = 13 2/4 = 13 1/2 = 13.5 miles

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d/9 = 13.5/<u>9 = 1.5 hours</u>

Total                6 hours

I hope this is the right interpretation.

7 0
3 years ago
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