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Lerok [7]
3 years ago
7

What is the value of x? Round your answer to the nearest tenth if necessary.

Mathematics
1 answer:
Blizzard [7]3 years ago
8 0
By the Pythagorean Theorem, x^2+14^2=20^2, so x^2+196=400, so x^2=204.  Then, x=sqrt(204)~=14.3.
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Is it ever possible that a decreasing function could have a positive slope?
kotegsom [21]

Answer:

yes because it is in the positive side

3 0
3 years ago
What is the perimeter of the L-shape?
drek231 [11]

Answer:

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7 0
2 years ago
If you rearrange the equation so w is the independent variable, then what is u?<br><br> -2u+6w=9
Serjik [45]

Answer:

u  = - ( 9-6w)/2

Step-by-step explanation:

to  evaluate for u in the expression -2u+6w=9 is simply to look for a way such that we would express u in terms of w and other variables.

solution

-2u+6w=9

-2u = 9 - 6w

divide both sides by the coefficient of u which is -2

-2u/u = 9 - 6w/-2

u  = - ( 9-6w)/2

therefore the value of u when rearranged in the equation -2u+6w=9 is evaluated to be equals to

u  = - ( 9-6w)/2

7 0
3 years ago
Please help, I'll mark Brainiest. It's 8th grade math
yawa3891 [41]

Answer:

(-5, 2)

Step-by-step explanation:

<u>plug x into the equation x - 5y = -15</u>

-5 - 5y = -15

add 5 to both sides: -5y = -10

divide by -5: y = 2

7 0
3 years ago
Read 2 more answers
The area of a rectangle is 77ft and the length of the rectangle is 3ft more than double the width. Find the dimensions of the re
Radda [10]
Let b= length and a=width
Area= a*b  and the problem said b=2a+3 (the length is 3ft more than double the width)
Replace b into Area formula:
Area= a*(2a+3)   and we know that Area=77ft from the problem, so:
77=2a^2+3a now order and equal to zero:
2a^2+3a=77 now solve this with quadratic formula and you will get so values for a: -7ft and 5.5ft as you know the dimensions could not be negative so the correct answer for "a" side is 5.5ft, for getting the b side you haeve to replace a=5.5 into b=2a+3 and you will get b=2*5.5+3= 14ft.
Finished.

3 0
3 years ago
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