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valkas [14]
3 years ago
8

Which expression has a value that is equivalent to 5n + 13 when n=−5 ?

Mathematics
2 answers:
Orlov [11]3 years ago
8 0
5(-5)+13=-25+13=-12
the answer would be 4n+8
hope this helps!
Luba_88 [7]3 years ago
5 0
I didnt hae this prokbme but it is n = 8
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use an equation to write each fraction as multiple of unit fraction 1/6 + 1/6 + 1/6 + 1/6 + 1/6 how do you get to 5/6
weeeeeb [17]

Answer:

Equation: 1/6 + 1/6 + 1/6 + 1/6 + 1/6 = 5/6

Step-by-step explanation:

Unit means 1

Therefore a each 1/6 is the multiple unit of 5/6 because if we had all the 1/6 together, you get 5/6. There is 1 over 6 which you can tell that it is a unit fraction.

8 0
3 years ago
PLEASE HELP ME
vazorg [7]

Answer:

For the first one, just make sure the sides add up correctly and include the sides it gives. The prism will be 9x1x8 = 82 inches cubed.

Step-by-step explanation:

Insta: lankey.t

6 0
3 years ago
What is the completely factored form of x4 8x2 – 9?
Alinara [238K]

For this case we have the following polynomial:

x ^ 4 + 8x ^ 2 - 9

We make the following change of variables:

u = x ^ 2

Rewriting we have

u ^ 2 + 8u - 9

Factoring the second order polynomial we have:

(u + 9) (u-1)

Then, returning the change we have:

(x ^ 2 + 9) (x ^ 2-1)

Finally, we factor the expression in the parentheses of the second term:

(x ^ 2 + 9) (x + 1) (x-1)

Answer:

the completely factored form is:

(x ^ 2 + 9) (x + 1) (x-1)

7 0
3 years ago
Read 2 more answers
What is the y-intercept of 6x+ 12y= 60?
exis [7]
1st one is the y Intercept is 5. get y by itself 12y=-6x+60 divide by 12.
2nd slope is -3
7 0
3 years ago
HELP BY FIVE MINUTES PLEASE
kati45 [8]
Those are adjacent angles. They equal 180 degrees. 

10x-20+6x+8= 180

16x-12=180

Add 12.

16x= 192

x=12

I hope this helps!
~kaikers
6 0
3 years ago
Read 2 more answers
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