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Georgia [21]
3 years ago
11

HELP PLEASE!!!!!!!!

Mathematics
2 answers:
Vesnalui [34]3 years ago
5 0

Answer:

The answer is 14

Step-by-step explanation:

Please please please mark me as brainliest

Katen [24]3 years ago
3 0

Answer:

D. 24

Step-by-step explanation:

First remember the acronym PEMDAS. Then do 1-4 which is -3 then the absolute value of that is 3. So you have 5+3(3-6)^{2} ÷3. 5+3 is 8. Now u have

(8)(3-6)^{2}÷3. 3-6 is -3. So you have (8)(-3)^{2}÷3. (-3)^{2} is -9. So now you have (8)(-9)÷3. 8*9=72. So now you have 72÷3 which equals 24.

Hope this helped and have a great day!

(Please vote this brainliest)

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Pam and her brother both open savings accounts. Each begin with a balance of zero dollars. For every two dollars that Pam save i
dezoksy [38]

Answer:

Ratio [Pam to her brother] = 2:5

Step-by-step explanation:

Given:

Pam saves every two dollar

Her brother saves fives dollar (For every two dollar)

Find:

Ratio [Pam saving and his brothers saving]

Computation:

It is given that if Pam saves $2 her brother saves $5

So,

Ratio [Pam to her brother] = 2/5

Ratio [Pam to her brother] = 2:5

6 0
3 years ago
Researchers at a pharmaceutical company have found that the effective time duration of a safe dosage of pain relief drug is norm
FrozenT [24]

Answer:

a) P(1

b) P(X

Step-by-step explanation:

1) Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

2) Part a

Let X the random variable that represent the duration of a safe dosage of pain relief drug, and for this case we know the distribution for X is given by:

X \sim N(1.5,0.8)  

Where \mu=1.5 and \sigma=0.8

We are interested on this probability

P(1

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(1

And we can find this probability on this way:

P(-0.625

And in order to find these probabilities we can find tables for the normal standard distribution, excel or a calculator.  

P(-0.625

3) Part b

We are interested on this probability

P(X

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(X

And we can find this probability on this way:

P(z

6 0
3 years ago
Which number line represents the solution to the inequality -7x-1326-7x - 13 28?
andrey2020 [161]

Answer:

i think its -14×14613 thets ny answer

3 0
3 years ago
Divide. 15÷ −5 Drag and drop the correct number into the box to complete the sentence. The quotient is [blank] plz explain so i
KIM [24]
The answer is A. -3 and its a negative result cause that's how it is, like for ex, -15/3 = -5 or 15/-3 = -5 is a negative, and w<span>hen two positive numbers are divided, the answer is a positive number 15/3 = 5.</span>
6 0
3 years ago
Which binomial is a factor of the trinomial below?
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C3x-4
@3x+2


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5 0
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