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zzz [600]
3 years ago
12

-7 - 4 is equivalent to?

Mathematics
1 answer:
liraira [26]3 years ago
7 0

Answer:

-11

Step-by-step explanation:

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Solve <br><br> LaTeX: \frac{-x}{3}&lt;5
I am Lyosha [343]

Answer:

x > -15

Step-by-step explanation:

-x / 3 < 5

(-x / 3) * 3 < 5 * 3

-x < 15

x > -15 (Remember to flip the sign when multiplying or dividing an inequality by a negative number.)

3 0
3 years ago
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Log3 (x squared + 7x + 21) = 2
Nezavi [6.7K]

Step-by-step explanation:

log <base a> b = x

means

a^x = b

So

3^2 = x^2+7x+21

x^2 + 7x + 21 - 9 = 0

x^2 + 7x + 12 = 0

(x+3)(x+4)

x = -3 or -4

3 0
3 years ago
15 POINTS IF HELP WILL MARK BRAINLIEST
RideAnS [48]

Answer:

to get ur answer take 11 from 14

Step-by-step explanation:

just beacuse it is inbetween 10-20 jhahahhahaha

3 0
3 years ago
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Solve for y 2x+y-3z=5
Elza [17]

Answer:

<h3>A. y=-2x+3z+25</h3>

Step-by-step explanation:

Isolate the term of x and y from one side of the equation.

<u>To solve:</u>

  • The value of y.

\Longrightarrow: \sf{\sqrt{2x+y-3z}=5}

<h3>2x+y-3z=25</h3>

<u>First, you have to subtract by 2x-3z from both sides.</u>

\Longrightarrow: \sf{2x+y-3z-\left(2x-3z\right)=25-\left(2x-3z\right)}}

<u>Solve.</u>

\Longrightarrow: \boxed{\sf{y=25-2x+3z}}}

  • <u>Therefore, the correct answer is "A. y=-2x+3z+25".</u>

I hope this helps, let me know if you have any questions.

4 0
2 years ago
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Identify each coefficient.<br> 1) 8x =<br> 2) 3m =<br> 3) y =<br> 4) 14t =
777dan777 [17]
1)8
2)3
3)1
4)14
the coefficient is the number in front of the variable
6 0
3 years ago
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