2 years ago

Evaluate −12(−2). (1 point) a 14 b −14 c −24 d 24

Mathematics

1 answer:

nalin [4]2 years ago

8 0

Answer:

d.24

Step-by-step explanation:

12*2=24 and a negative times a negative always equals a positive.

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3 years ago

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The diameter of a quarter is 2.5 cm. What is it’s circumference?

anastassius [24]

Answer:

7.85 cm

Step-by-step explanation:

The circumference of a circle can be found using the following formula.

$c=\pi d$

The diameter is 2.5 centimeters. Therefore, we can substitute 2.5 cm in for d.

$c=\pi *2.5 cm$

Now, find the circumference.

- In terms of pi:

$c=\pi *2.5 cm$

$c= (2.5)\pi cm$

$c= 2.5\pi cm$

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2 years ago

Help please ! Math problem

morpeh [17]

Let's solve your equation step-by-step.

5=(−4)(8)+b

Step 1: Simplify both sides of the equation.

5=(−4)(8)+b

5=−32+b

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Step 2: Flip the equation.

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3 years ago

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How would you solve 3x^2-12=0?

Gennadij [26K]

   3x^2 - 12 = 0

Personally, I would divide each side by 3 x^2 - 4 = 0

Then I would add 4 to each side x^2     = 4

Then I would take the square root of each side: x = +4
   x = -4 .

Having found both solutions, I would relax with a cup of tea.

3 0

3 years ago

Show your work if you can :)

meriva

I believe it’s just 61/100

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3 years ago