2 years ago

Answer this for brainiest (easy)

Mathematics

1 answer:

otez555 [7]2 years ago

6 0

Answer:

3. Add all the number toegther, then divide by the number of numbers present.

Step-by-step explanation:

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2 years ago

The graph shows the speed of Sam’s car over time. A graph titled Speed of Car. The horizontal axis shows time (hours) and the ve

Kaylis [27]

Answer: His car is slowing down .

Step-by-step explanation:

If there is a reduction in speed, it means his car is slowing down and may be running out of fuel.

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2 years ago

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How to solve f(-3)= -2x^2+5x

Sauron [17]

Replace all the x values with -3

f(-3)=-2(-3)^2+5(-3)
f(-3)=2(9)-15
f(-3)=18-15
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Hope I helped :)

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3 years ago

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The figure below shows a shaded rectangular region inside a large rectangle: A rectangle of length 10 units and width 5 units is

Olenka [21]

Answer:

it's actually 64%

Step-by-step explanation:

3 0

2 years ago

Paulo's economics course requires two papers ? ?one long and one short ? ?throughout the semester. The number of pages, l l, in

mixer [17]

Answer:

27 pages.

Step-by-step explanation:

Let l be the number of pages in the long paper and s be the number of pages in the short paper.

We have been given that the total number of pages for both papers is 40. We can represent this information in an equation as:

$l+s=40...(1)$

We are also told that the number of pages in the long paper is one more than two times the number of pages in the short paper. We can represent this information in an equation as:

$l=2s+1...(2)$

We will use substitution method to solve system of linear equations.

From equation (1) we will get,

$s=40-l$

Upon substituting this value in equation (2) we will get,

$l=2(40-l)+1$

$l=80-2l+1$

Upon adding 2l to both sides of our equation we will get,

$l+2l=80-2l+2l+1$

$l+2l=80+1$

$3l=81$

Let us divide both sides of our equation by 3 we will get,

$\frac{3l}{3}=\frac{81}{3}$

$l=27$

Therefore, there must be 27 pages in the long paper.

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2 years ago