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lianna [129]
3 years ago
7

7d-12+2d+3=18 solve variable. include steps, also check your answer!

Mathematics
1 answer:
Zinaida [17]3 years ago
8 0

this is the answer

i have checked this answer thrice

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Can you determine the factors of x^2 - 8x - 12?
Alex73 [517]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.

1:SPLIT THE MID FACTOR
<span>X^2+8X+12
</span><span> X^2+6X +2X+12 [12=6*2
</span><span> 8=6+2
</span>
2:TAKE COMMON FACTORS FROM 1ST TWO AND <span>LAST TWO FACTORS
</span><span>X^2+6X +2X+12 EQUALS
</span><span>X(X+6) + 2(X+6)
</span>
<span>3: TAKE (X+6) AS COMMON FACTOR
</span><span> X(X+6)+2(X+6) EQUALS
</span><span>(X+6) {X+2}</span>
7 0
3 years ago
Square and cube challenge
Amiraneli [1.4K]

Answer:

8 cm.

Step-by-step explanation:

To make a cube, it is length times width times height. And cubes have side lengths equal all the way around. Therefore all you have to do to get a side length is take the cubic root of 512 which is 8. AKA 8 times 8 times 8 equals 512.

PLEASE GIVE BRAINLIEST

6 0
3 years ago
John has 5 bags of apples. Each bag has 5 apples in it. How many apples are in the 5 bags?
Anton [14]

Answer: 25 apples

Step-by-step explanation:

5+5+5+5= 25 or- 5 x 5= 25

6 0
2 years ago
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Solve z= 3x + 5xy for y
Anastasy [175]

Answer:

y=z/5x-3/5

Step-by-step explanation:

7 0
3 years ago
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What are the solution(s) to the quadratic equation 9x2 = 4?
Advocard [28]

Answer:

x=\frac{2}{3}\\x=-\frac{2}{3}

Step-by-step explanation:

To solve the problem shown, you can apply the proccedure shown below:

- Divide both sides of the equation by 9, as following:

\frac{9x^{2}}{9}=\frac{4}{9}\\\\x^{2}=\frac{4}{9}

- Apply square root to  both sides of the equation, then you obtain the solution shown below:

\sqrt{x^2}=\sqrt{\frac{4}{9}}\\\\x=\frac{2}{3}\\x=-\frac{2}{3}

6 0
3 years ago
Read 2 more answers
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