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2 years ago

I will give brainliest

Mathematics

1 answer:

iris [78.8K]2 years ago

5 0

Answer:

8.57 or 8.571428571

Step-by-step explanation:

divide 60 by 7 and it equals 8.57 or 8.571428571

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Will make the brainly-est due today and all the questions thank you:)

Lyrx [107]

Answer:

Comic Books

a: y=-10x+90

b: He will have 10 books at the end of the seventh day.

Step-by-step explanation:

A: Take two points. The y-intercept is (0,90). The graph decreases by 10 each day.

B: Look at day 8.

8 0

4 years ago

PLEASE HELP! PLEASE HELP! PLEASE HELP! QUICK

Crazy boy [7]

Answer:

for A plug in those numbers on the right and on the left start with 1 and move up(for example 1,2,3,4,5...)

For b the answer is 2.5x²−4.5x+1.

Step-by-step explanation:

3 0

3 years ago

Find the mean absolute deviation of each data set. What do you notice about the means of the two data sets? About the mean absol

Anna007 [38]

The mean of the data set is 51

4 0

3 years ago

Is 3x-22=-3x+8 no solution?

aleksley [76]

It has one solution which is X=5

Hope this helps

Have a great day/night

Feel free to ask any questions

6 0

3 years ago

Triangle A has an area equal to one-third the area of Triangle B. Triangle A has an area of 3 1/2 square meters.

attashe74 [19]

Answers:

A. B 1/3 represents the area of triangle B

B. Triangle B area = 21/2 m² or 10 1/2 m² or 10.5 m²

Step-by-step explanation:

Ok, we have two triangles measured in square meters (m²)

∆ a = 1/3 b and ∆ b = 3 1/2

Since these two areas have something in common (symbol a) we can consider they are almost the same, so we put them like this:

∆ a => 1/3 b = 3 1/2 <= ∆ b

Now that we know we can move some values. first we are gonna multiply the mixed fraction (3 1/2) to make it a regular fraction. As 3 is a whole, we can also write it on the following way:

$\frac{3}{1} +\frac{1}{2}$

We add these fractions:

$\frac{3}{1} +\frac{1}{2} = \frac{(3x2)+(1x1)}{1x2} =\frac{6+1}{2} =\frac{7}{2}$

The equation with this part solved is:

$\frac{1}{3} b=\frac{7}{2}$

Since the 1/3 is multiplying, it goes to the other side dividing the number on the right:

 $b=(\frac{7}{2} )/(\frac{1}{3} )$ 

And then, we can solve the rest by inverting the second fraction ( $\frac{1}{3}$ ) and multiplying it by the first one:

 $b=\frac{7}{2} / \frac{1}{3} \\$ 

 $b=\frac{7}{2} x \frac{3}{1} =\frac{7x3}{2x1} =\frac{21}{2}$ 

And that's it. Let me know if you have any doubts :D

5 0

3 years ago