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elena-s [515]
2 years ago
13

I don't understand this problem... 1/4 x (-12)=

Mathematics
2 answers:
Serhud [2]2 years ago
7 0
The answer is -3.
It is basically asking what 1/4 of -12 is.
1/4 is equal to .25.
So .25 x -12= -3 which is your answer.
Nikitich [7]2 years ago
4 0

Answer:

-3

Step-by-step explanation:

When multiplying a positive number with a negative number, the product will <u>always</u> be negative. First, let's solve the problem disregarding the negative sign.

  • \frac{1}{4} * 12
  • \frac{12}{4}
  • 3

Now that we know the product of 1/4 x 12 is 3, we can assume that the product of 1/4 x -12 is -3.

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2 = 1 hour               
x = 6 1/3   

2 * 6 1/3 = 12 2/3
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What is a coupon on a bond similar to?
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A coupon is a paper with a discount.
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The 2000 population of a city was 710​,000 and was increasing at the rate of 1.49 % each year. At that​ rate, when will the popu
AlekseyPX

Answer:

23.1567

Step-by-step explanation:

710000(1+1.49/100)ⁿ=1000000

710000×1.0149ⁿ=1000000

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3 years ago
Sarah is 3 years older than nine times Mario's age. In 10 years, she will be 1 less than triple his
Natasha2012 [34]

Answer:

3(9m + 13) - (m + 10) = 1

Step-by-step explanation:

Here, we want to write an equation we can use to find the age of Mario.

Let the present age of Mario be M

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times Mario’s age

Mario’s age is thus;

9m + 3

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3(9m + 13) - (m + 10) = 1

7 0
3 years ago
Use the converse of the Pythagorean theorem to decide whether ΔABC is a right triangle by answering the questions.
navik [9.2K]

Answer:

Pythagorean theorem: a^2 + b^2 = c^2

1. we have to find a. b is 12 and c is 15 because the right angle is pointing towards 15 so that is the hypotenuse. then we simply plug the info in the equation we have above.

a^2 + 12^2 = 15^2

a^2 + 144 = 225

a^2 = 81 --> sqaure root to find the answer basically.

a = 9

- we put AD as a so AD = 9

final answer : 9

2. to find AC, simply add AD and DC.

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final answer: AC = 25

3. ABC is not a right triangle because it does not have a right angle. the smaller triangles do, but that does not mean that ABC is a right triangle.

-- let me know if you need any further explanations.

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