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4 years ago

Jonah finished 24 math problems in

Mathematics

2 answers:

scoundrel [369]4 years ago

8 0

Answer:

3 Hours

Step-by-step explanation:

If Jonah can get 24 questions done in one hour, he can get 72 done in 3 hours.

72 Divided by 24 = 3 Hours

8_murik_8 [283]4 years ago

3 0

Answer:

3 hours

Step-by-step explanation:

In an hour there are 60 minutes to find the unit rate of problems per minute you divide 60/24 and get 2.5 multiply 2.5 by 72 get 180 in minutes that is 3 hours

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Find the mid-point of the line segment joining the points (10, 13) and (-7, 7)?

PIT_PIT [208]

Answer:

(3/2,10)

Step-by-step explanation:

Mid point is ((10-7)/2,(13+7)/2)=(1.5,10)

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3 years ago

Infinite algebra1,multi step equations.-18-6k=6(1+3k)

True [87]

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3 years ago

Is 4y^2 + 9 = -4 a linear equation?

bekas [8.4K]

Answer:

No.

Step-by-step explanation:

The exponent of y is 2, which is not 1, so the equation is 2nd degree, <em>not linear</em> (1st degree).

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3 years ago

What is the slope of the line that passes through the points (-3, 5) and (1, 7)?

Stells [14]

Answer: The slope of the line is $\frac{1}{2}$

Step-by-step explanation:

The slope of a line can be calculated with the following formula:

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

Then, given the points $(-3, 5)$ and $(1, 7)$ , you can identify that:

$y_2=5\\y_1=7\\\\x_2=-3\\x_1=1$

Knowing these values you can substitute them into the formula for calculate the slope:

$m=\frac{5-7}{-3-1}$

Finally, evaluating, you get that the slope of that line is:

$m=\frac{-2}{-4}\\\\m=\frac{1}{2}$

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3 years ago

How do i calculate percent accuracy? I got 20 questions out of 21 correct but I need to figure out the percent accuracy for anot

Mandarinka [93]

You need to do 20 divide by 21 to get a decimal. Then if you multiply the decimal by hundred you should get the percentage.

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3 years ago