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3 years ago

−7(−2x+6) Select one: −9x−42 14x+6 14x−42 −14x−42

Mathematics

2 answers:

Ipatiy [6.2K]3 years ago

8 0

The answer is -14x-42
Distribute -7
(-7.-2x)+(-7.6)
-14x-42

saveliy_v [14]3 years ago

5 0

Answer:

14x-2 is answer

Step-by-step explanation:

may be this is helpful!

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Solve the system of equations. x + 3y = −12x + 2y = 6

UkoKoshka [18]

Answer:

x=-3/19

y=39/19

Step-by-step explanation:

the equations can be written as the following system

$x+3y=6\\-12x+2y=6$

If the second equation is multiplied by 3/2 it will become -18x+3y=9

If that equation is then subtracted with the first you will obtain the following

-19x=3, it means x=-3/19

The other variable is obtained by substituting the new value for x in the first equationx+3y=6, thus we obtain that y=39/19

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3 years ago

Which is the standard form for this number? (4 x 1 100 ) + (8 x 1 1,000 ) + ( 3 x 1 100,000 ) ?

kondaur [170]

Answer:

Option B $0.04803$

Step-by-step explanation:

we have

$(4*\frac{1}{100})+(8*\frac{1}{1,000})+(3*\frac{1}{100,000})\\ \\ =(\frac{4}{100})+(\frac{8}{1,000})+(\frac{3}{100,000}) \\ \\ =0.04+0.008+0.00003\\ \\=0.04803$

6 0

3 years ago

Find the value of “O”

nexus9112 [7]

O= 4 & -4

Explain: it shows on the paper

5 0

3 years ago

Can someone help me out

Sophie [7]

Firstly, you want to multiply (f^4)^2. $\frac{2*f^8*f^2}{8f^{12}}$

Next, multiply everything on the numerator. $\frac{2f^{10}}{8f^{12}}$

Next, divide. $\frac{2f^{10}}{8f^{12}}=\frac{1}{4} f^{-2}$

Now remember that f^-2 = (1/f^2), so just convert the negative powered exponent to that, and your answer will be $\frac{1}{4f^2}$

6 0

3 years ago

Please helpp I will mark brainliest!!<3

OlgaM077 [116]

It’s, 4+x=12. Hope this helps☺️

4 0

3 years ago

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