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3 years ago

-8m – 6(1 - 4m) = -102

Mathematics

2 answers:

Nastasia [14]3 years ago

4 0

Answer:

Step-by-step explanation:

Here you go mate

Step 1

-8m – 6(1 - 4m) = -102 Question

Step 2

-8m – 6(1 - 4m) = -102 Remove parenthesis

16m-6=-102

Step 3

16m-6=-102 add 6 to sides

16m=-96

Step 4

16m=-96 Divide sides by 16

Answer

m=-6

Hope this helped

sashaice [31]3 years ago

3 0

Answer:

Step-by-step explanation:

I can help

Step 1

-8m – 6(1 - 4m) = -102 Simplify

Step 2

-8m – 6(1 - 4m) = -102 Add 6 to the sides

16m=−96

Step 3

16m=−96 Divide the sides by 16

Answer

m=-6

Hope this helps

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What is the volume of a cone with a diameter of 30 feet and a hight of 60 feet

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Answer:

4500 $\pi$ $ft^{3}$ or 4712.39 $ft^{3}$

What we need to know: The formula for the volume of a cone is: $V=\pi r^{2} \frac{h}{3}$

So we are solving for V

Step-by-step explanation:

1) Radius is half of diameter r=30/2 thus, your radius is 15

2) you then have all your variables so you can start plugging values into your equation:

r=15 h=60

$V=\pi 15^{2} \frac{60}{3} \\V=\pi (225)*(20)\\V=\pi(4500) \\V= 4500\pi$

This would be your exact answer but if you are solving for a rounded answer it would be

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3 years ago

. Anna was thinking of a number. She told Bill that if he squared her number followed by subtracting 11 times her, and adding 4,

Snowcat [4.5K]

Answer:

Anna's number could be 5 and it could be 6.

Step-by-step explanation:

Let Anna's number be represented by x.

If Bill squared her number followed by subtracting 11 times her number, and adding 4, then he would get -26.

This implies that:

$x^2 - 11x + 4 = -26$

This is a quadratic equation and we can solve for x by factorization.

$x^2 - 11x + 4 = -26\\\\=> x^2 - 11x + 4 + 26 = 0\\\\x^2 - 11x + 30 = 0\\\\x^2 -6x-5x + 30 = 0\\\\x(x - 6) - 5(x - 6) = 0\\\\(x - 5) (x - 6) = 0\\\\$

=> x = 5 and x = 6

Anna's number could be 5 and it could be 6.

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3 years ago

Whoever gets this right gets brainlyess answer and it's worth 10 points :)

Elan Coil [88]

The last one would be the right one I believe

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