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podryga [215]
3 years ago
13

Earned 60 points on his last test if there were 75 possible points what was his percent grade ?

Mathematics
1 answer:
Tresset [83]3 years ago
4 0

Answer:

80%

Step-by-step explanation:

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Help plz! (a + b - c)(a + b + c) multiplying polynomials
saul85 [17]

Answer:

a^2 + 2ab + b^2 - c^2

Step-by-step explanation:

When you multiply all the terms together you get a^2 + ab + ac + ab + b^2 + bc - ac - bc - c^2. Then you can just combine like terms and simplify it to a^2 + 2ab + b^2 - c^2. Hope this helps :)

5 0
3 years ago
Use the data from problem 1 to complete this problem. Compare the range of the prices of Felix's books and of Tyler's books. Wha
Alborosie

Hello, I am The HumanSpider your answer is ready.

Answer:

Felix books are less expensive.

Tyler's books vary in price more.

Step-by-step explanation:

Screw that!

Note: My answer came from Yahoo answer also there are some good reviews from that answer.

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Don't be a fool stay cool

Your Pal

The HumanSpider

3 0
3 years ago
A jewelry designer is making a pendant. The pendant will be a circular dis (center O) with a circular hold cut out of it, as sho
antoniya [11.8K]

Answer:

2884.8 millimeters squared

Step-by-step explanation:

Given:

The radius of the disc is 35 millimeters, so the area of it is:

πr^{2} = 3.14*35^{2} = 3846.5

Then, we find out the area of the circular hold cut out of the bigger one, its radius is a haft of the radius of the bigger circle = 35/2 = 17.5

πr^{2} = 3.14*17.5^{2} =961.6

=>  the area of the pendant = 3846.5  - 961.6  =2884.8 millimeters squared

6 0
3 years ago
A car traveled 180 miles and used 6 gallons of gas. If the same car traveled 1,260 miles at the same rate, how many gallons of g
Luba_88 [7]

Answer:

180miles=6gallons

1260miles=?gallons

1260/180*6

=42 gallons

Step-by-step explanation:

6 0
2 years ago
Correct answer gets brainliest and 5 stars
Serggg [28]

Answer:

A is false

Step-by-step explanation:

notice how in both diagrams, there are 4 triangles with lengths a, b, c, but in each diagram the triangles are just rotated and positioned differently. if there are the same amount of triangles in both diagrams, and the have equal lengths then the area of the remaining figure, should both match up.

basically the area of the big square in Step 2, is equal to both of the shaded squares, combined area, in Step 1.

3 0
3 years ago
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