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Ber [7]
3 years ago
8

-13+x=-25 what is the value of x

Mathematics
2 answers:
Citrus2011 [14]3 years ago
6 0

Answer:

x=-12

Step-by-step explanation:

-13+x=-25

move 13 to the other side by adding 13 to both sides

x=13-25

simplify

x=-12

hope this helped

Ulleksa [173]3 years ago
5 0

Answer:

\huge\boxed{-12}

Step-by-step explanation:

In order to find x with the equation -13 + x = -25, we can play with the equation until we have x isolated on one side of the equation.

Add 13 to both sides:

-13 + x + 13 = -25 + 13\\\\-13 + 13 = 0, -25 + 13 = -12\\\\x = -12

Hope this helped!

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Which expression is equivalent to<br> logbase12 ((1/2)/8w)?
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\bf \log_{12}\left( \cfrac{~~\frac{1}{2}~~}{8w} \right)\implies \begin{array}{llll} \log_{12}\left( \frac{1}{2} \right)&-&\log_{12}(8w)\\\\ \log_{12}(1)-\log_{12}(2)&-&[\log_{12}(8)+\log_{12}(w)] \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill \log_{12}(1)-\log_{12}(2)-\log_{12}(8)-\log_{12}(w)~\hfill

7 0
3 years ago
Translate and solve 860.89 is what percent of 437
Bumek [7]

Answer:

197%

Step-by-step explanation:

1.97 = 437/860.89

1.97=197%

4 0
3 years ago
F of x equals 8 plus 2x eminus x squared ​
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Step-by-step explanation:

F

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7 0
3 years ago
Read 2 more answers
So the polynomial 24r squared represents the surface are of a cube a : determine the polynomial that represents the area of one
Naddika [18.5K]

Answer:

a. 4r² b. 2r c. 6 cm

Step-by-step explanation:

The surface area A of the cube is A = 24r². We know that the surface area, A of a cube also equals A = 6L² where L is the length of its side.

Now, equating both expressions, 6L² = 24r²

dividing both sides by 6, we have

6L²/6 = 24r²/6

L² = 4r². Since the area of one face is L², the polynomial that determines the area of one face is A' = 4r².

b.  Since L² = 4r² the rea of one face of the cube, taking square roots of both sides, we have

√L² = √4r²

L = 2r

So, the polynomial that represents the length of an edge of the cube is L = 2r

c. The length of an edge of the cube is L = 2r. When r = 3 cm.

L = 2r = 2 × 3 cm = 6 cm

So, the length of an edge of the cube is 6 cm.

5 0
2 years ago
A vehicle uses 1 1/8 gallons of gasoline to travel 13 1/2 miles. At this rate, how many miles can the vehicle travel per gallon
Vesna [10]
We know that
<span>1 1/8 gallons----------> (1*8+1)/8-------> 9/8 gallons
</span><span>13 1/2  miles----------> (13*2+1)/2-------> 27/2 miles

if 9/8 gallons-------------------> 27/2 miles
 1 gallons----------------------> X
X=(27/2)/(9/8)---------> 216/18--------> 12 miles

the answer is 12 miles</span>
6 0
3 years ago
Read 2 more answers
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