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Paraphin [41]
3 years ago
6

Determine whether each number sentence 15×432=(50×400)+(50×32)

Mathematics
1 answer:
astraxan [27]3 years ago
5 0
I think the answer is 2,050
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A national survey showed that 44% of college students drink. A professor provided his own survey by choosing a random sample of
mamaluj [8]

Answer:

It is an unusual result contradicting the national survey.

Step-by-step explanation:

National survey showed 44% of college students who drink.

The professor's survey showed that 96/244 = 39% drink.

The professor's survey deviated from the national survey is 5% (44% - 39%) representing about 0.25% (5% squared) variance.

Standard deviation is the spread of a set of numbers from their mean.  In other words, it measures how far an observed value is from the mean. It can be calculated by getting the square root of the variance.

4 0
3 years ago
A soccer game is 90 minutes long. 36 minutes have passed . what percentage of the game has passed. can someone please help me
scZoUnD [109]
36 divided by 90 gives the percent so its 0.4 which is 40%
4 0
3 years ago
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Carmen draws this area model to help her divide 1,800 by 9. She says the
rewona [7]

Answer:

she is wrong because 1800/9 is 200.

4 0
3 years ago
I'm stuck. what do i do next??
Aneli [31]
Here is your solution,
(-5)^2 - √25 - 4 x (-14)/2
25 - √ 25 + 56/2
25 - √81/2
(25 - 9)/2 = 16/2 = 8

or
25 + √25 +56/2
25 + √81/2
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So m = 8,17
6 0
3 years ago
Please help with trend lines
satela [25.4K]

Answer:

K=-2J+24

Step-by-step explanation:

Trend line passes through the points (6,12) and (4,16).

Find the slope of the line:

m=\dfrac{K_2-K_1}{J_2-J_1}=\dfrac{16-12}{4-6}=\dfrac{4}{-2}=-2

Write the equation of the line in the form K=mJ+b, where the slope m=-2:

K=-2J+b

This line passes through the point (6,12), then its coordinates satisfy the equation:

12=-2\cdot 6+b\\ \\12=-12+b\\ \\b=12+12\\ \\b=24\\ \\K=-2J+24

3 0
3 years ago
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