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2 years ago

PLZ HELP HURRY PLZ!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Mademuasel [1]2 years ago

4 0

Answer:

Step-by-step explanation:

You subtract the "-6" from the y, and you get +6 (which eliminates A and B). You subtract the "-2" from the x, and you get +2 (which eliminates C)

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2 years ago

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What is the simplified form of the following expression? 4/7^3

timofeeve [1]

If your question is :
$\frac{4}{7^3}$

Then the answer is:
$\frac{4}{7*7*7} = \frac{4}{343}$

If your question is:
$(\frac{4}{7}) ^{3}$

Then the answer is:
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What is the slope of the line that passes through the points (-3,1) and (7,-14)

Katyanochek1 [597]

Answer:

$- \frac{3}{2}$

Step-by-step explanation:

$\boxed{gradient = \frac{y1 - y2}{x1 - x2} }$

Using the formula above,

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2 years ago

1. If a tank leaks 10 mL of fluid each hour, how long will it take to fill up a one liter jar?

AnnZ [28]

Q1. The answer is 100 hours

10 ml is for 1 hours
1l is for x hours
1l = 1000 ml

So, make a proportion:
10 ml is for 1 hours
1000 ml is for x
10 ml : 1h = 1000 ml : x
x = 1h * 1000 ml : 10 ml = 100 hours

Q2. The answers are:

1. kg - measurement of mass
2. cm² - measurement of area
3. L - measurement of volume (1L = 1 dm³)
4. m - measurement of length

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2 years ago

Assume a researcher recruits 150 African American and Caucasian individuals taking warfarin to determine if there is a differenc

Anettt [7]

Answer:

Z=11.0

Step-by-step explanation:

Let Caucasian individuals be the population 1 and African American be the population 2. So, we are given that

n=150

n1=75

mean1=xbar1=6.1.

standard deviation1=S.D1=σ1=1.1.