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AlekseyPX
3 years ago
6

4(-12)(-3) I need help solving this ;-;

Mathematics
2 answers:
Zinaida [17]3 years ago
7 0

Answer:

144

Step-by-step explanation:

4x -12 is -48

-48x-3 is -144

you multiply the parenthesis

BabaBlast [244]3 years ago
4 0

Answer:

144

Step-by-step explanation:

-12 x -3 = 36

4 x 36 = 144

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10 - |3n - 2| = -9<br><br>please help :D​
lapo4ka [179]

Answer:

n =7 or n = -17/3

Step-by-step explanation:

10 - |3n - 2| = -9  (subtract 10 from both sides)

- |3n - 2| = -9 - 10

- |3n - 2| = -19   (multiply both sides by -1)

|3n - 2| = 19

(3n - 2) = 19 or (3n - 2) = -19

For (3n - 2) = 19,

3n - 2 = 19

3n = 21

n =7 (answer)

For (3n - 2) = -19,

3n - 2 = -19

3n = -17

n = -17/3 (answer)

8 0
2 years ago
PLEASE HELP! If the measure of arc AB is 72 degrees, what is the measure of angle ACB?
Scorpion4ik [409]
The answer should be 144 degrees
4 0
3 years ago
Read 2 more answers
What is the value of the sum -7/9 +2/3
love history [14]
It would be; -7/9 + 2/3
= -7+6 / 9
= -1/9

In short, Your Final Answer is -1/9

Hope this helps!
5 0
2 years ago
Read 2 more answers
If a stadium has 15,000 seats sold at $12.50 each, how much can be made if the stadium sells out?
Sindrei [870]

Answer:

187,500

Step-by-step explanation:

each seat is 12.50$

there are 15,000 seats

so you multiply 12.50$ by 15,000

12.50+15000= 187,500

8 0
2 years ago
Which of the following would increase the width of a confidence interval for a population​ mean? Choose the correct answer below
Lelechka [254]

Answer:

A. Increase the level of confidence

Step-by-step explanation:

The margin of error is given by:

The margin of error is:

M = \frac{Ts}{\sqrt{n}}

In which T is related to the level of confidence(the higher the level of confidence, the higher T is), s is the standard deviation of the sample and n is the size of the sample.

Increase the width:

That is, increasing the margin of error, as the width is twice the margin of error, the possible options are:

Increase T -> increase confidence level.

Increase s -> Increase the standard deviation of the sample.

Decrease n -> Decrease the sample size.

Thus, the correct answer is given by option A.

7 0
2 years ago
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