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insens350 [35]
2 years ago
14

Take 4x + 2 from 8x + 5. -4x - 3 4x + 3 4x - 3

Mathematics
2 answers:
Tema [17]2 years ago
8 0

B.) 4x + 3  is the answer

Reil [10]2 years ago
5 0
(8x+5)-(4x+2)
8x+5-4x-2
4x+3
Hope this helps.
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The times to pop a 3.4-ounce bag of microwave popcorn without burning it are Normally distributed with a mean
NeTakaya

This question is solved using the central limit theorem, giving an answer of:

Fourth option, approximately normal with mean of 140 seconds and standard deviation of 10 seconds.

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

Mean of 140, standard deviation of 20, sample of 4:

By the Central Limit Theorem, the distribution is approximately normal.

Mean is the same, of 140.

n = 4, \sigma = 20, thus:

s = \frac{\sigma}{\sqrt{n}} = \frac{20}{\sqrt{4}} = 10

Thus, the correct answer is:

Fourth option, approximately normal with mean of 140 seconds and standard deviation of 10 seconds.

For another example of the Central Limit Theorem, you can check brainly.com/question/15519207

4 0
3 years ago
Which is the better buy A)10 penceis for 50cents B)6 penciels for 2.70
kykrilka [37]
That one i believe would be A

6 0
3 years ago
Read 2 more answers
The element bromine turns into a liquid at -7 degrees C, and it turns to a gas at 59 degrees Celsius. From the temperature at wh
scoundrel [369]

it is 59 celsius

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5 0
2 years ago
Simplify using only positive exponents (-4y^3/2w2)^-3 it's a fraction
sineoko [7]
(-4y^3/2w2)^-^3

\frac{1}{-8w^6y^9}

= \frac{1}{8w^6y^9}
3 0
3 years ago
Find the slope of the line that passes through the points (2.1) and (-1.-1).​
sp2606 [1]

Answer: The slope is \frac{2}{3}

Step-by-step explanation:

The slope can be calculated with the following formula:

m=\frac{y_2-y_1}{x_2-x_1}

Then, knowing that the line passes through the points (2,1) and (-1,-1), we can substitute the coordinates into the formula.

In this case:

y_2=-1\\y_1=1\\x_2=-1\\x_1=2

Therefore, the slope of the line that passes through the points (2,1) and (-1,-1) is:

m=\frac{-1-1}{-1-2}\\\\m=\frac{-2}{-3}\\\\m=\frac{2}{3}

6 0
3 years ago
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