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3 years ago

12

A hypothesis _____.

2 answers:

Ivahew [28]3 years ago

7 0

The answer is c. bc it doesn't need to be tested

Tju [1.3M]3 years ago

6 0

A hypothesis is essentially an "educated guess".
This just means that it doesn't have to be true and doesn't really have to be proven correctly in order to call it an experiment.
So with that info B,C, and D can be crossed out.

The answer is:
A. must be tested

If you make a hypothesis, you usually have to test it to see if you were right.

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brooke found the equation of the line passing through the points (-7,25) and (-4,13) in slope-intercept form as follows

Goryan [66]

Answer:

The equation of the line passing through the points (-7,25) and (-4,13) in slope-intercept form is $\mathbf{y=-4x-3}$

Step-by-step explanation:

Equation of line passing through the points (-7,25) and (-4,13) in slope-intercept form.

The general equation of slope-intercept form is: $y=mx+b$

First we need to find slope

The formula used for finding slope is: $Slope=\frac{y_2-y_1}{x_2-x_1}$

We are given: $x_1=-7, y_1=25, x_2=-4, y_2=13$

Putting values in formula and finding slope

$Slope=\frac{y_2-y_1}{x_2-x_1}\\Slope=\frac{13-25}{-4-(-7)}\\Slope=\frac{13-25}{-4+7}\\Slope=\frac{-12}{3}\\Slope=-4$

So, slope m= -4

Now finding y-intercept

Using slope m=-4 and point (-7,25) we can find y-intercept

$y=mx+b\\25=-4(-7)+b\\25=28+b\\b=25-28\\b=-3$

So, y-intercept b =-3

Now, the equation of required line having slope m=-4 and y-intercept b=-3 is:

$y=mx+b\\y=-4x-3$

So, the equation of the line passing through the points (-7,25) and (-4,13) in slope-intercept form is $\mathbf{y=-4x-3}$

3 0

3 years ago

A box of cereal has the following measurements: length = 16.5 cm; width = 4 cm; height = 30.25 cm. What is the volume of the cer

tester [92]

Answer:

$1996.5$

Step-by-step explanation:

$16.5 X 4 X 30.25$

Hope this helped, please give brainliest

Thank you!

6 0

3 years ago

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Karl uses 8 whole square tiles and 8 half square tiles to make a mosaic. What is the area of his mosaic?

trapecia [35]

Answer:

48

Step-by-step explanation:

8 squares=32

8 half squares=16

32+16=48

There are 4 sides to a 8 whole squares 8*4=32

There a 2 sides to 8 half squares 8*2=16

8 0

3 years ago

An investment grows by 3% per year for 20 years. By what percent does it increase over the 20 year period?

Y_Kistochka [10]

3%?? The question doesn't make much sense.

7 0

4 years ago

3/7 x 9/10 as a fraction in simplest form

algol [13]

3857/10000 I can’t simply. But that’s what Siri gave me

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3 years ago

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