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san4es73 [151]
3 years ago
15

Dinh finished part of her reading homework, reading 20 of the 25 assigned pages. Explain how to find the percent of her reading

homework that Dinh completed.
Mathematics
1 answer:
WARRIOR [948]3 years ago
5 0
Dinh read 20/25 pages, simplified by dividing by common factors this equals 4/5.
Because percentages are measured out of 100 divide this number by 5 (the denominator) and you are left with 20. Then divide by 4 (the numerator) and you are left with 80.
Therefore, the percentage of assigned pages read equals 80%.
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What is the value of the expression shown? 4(-2) + (-10) + 3(-8)
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Answer:

-42

Step-by-step explanation:

1. 4(-2)

2. 3(-8)

3. -8 + -10 + -24

4. cobine like terms

5. -42

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3.<br> 3 cm<br> 11 am<br> 6 cm<br> 4.3 cm<br> 8 cm
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find the coordinates of the circumcenter of triangle abc. A(0,5) B(-4,5) C(-4,-3) PLEASE HELP IM FAILING AND I WILL GIVE BRAINLI
hodyreva [135]
(-2,1). Hope this helps!
4 0
3 years ago
Need help please help me
Ostrovityanka [42]
The solution is the point of intersection between the two equations.

Assuming you have a graphing calculator or a program to lets you graph equations (I use desmos) you simply put in the equetions and note down the coordinates of the point of intersection.

In the graph the first equation is in blue and the second in red.

The point of intersection = the solution = (-6 , -1)



If you dont have access to a graphing calculator you could draw the graphs by hand;

1) Draw a table of values for each equation; you do this by setting three or four values for x and calculating its image in y (you can use any values of x)

y = 0.5 x + 2 (Im writing 0.5 instead of 1/2 because I find its easier in this format)

x | y
-1 | 1.5 * y = 0.5 (-1) + 2 = 1.5
0 | 2 * y = 0.5 (0) + 2 = 2
1 | 2.5 * y = 0.5 (1) + 2 = 2.5
2 | 3 * y = 0.5 (2) + 2 = 3

y = x + 5

x | y
-1 | 4 * y = (-1) + 5 = 4
0 | 5 * y = (0) + 5 = 5
1 | 6 * y = (1) + 5 = 6
2 | 7 * y = (2) + 5 = 7

2) Plot these point on the graph
I suggest to use diffrent colored points or diffrent kinds of point markers (an x or a dot) to avoid confusion about which point belongs to which graph

3) Using a ruler draw a line connection all the dots of one graph and do the same for the other

4) The point of intersection is the solution

8 0
3 years ago
Read 2 more answers
solve for x and round to the nearest tenth. this is geometry. I will mark Brainliest. please help &lt;3
Amiraneli [1.4K]

Answer:

x= 41.8°

Step-by-step explanation:

use inverse trig to find x.

sin^{-1}(\frac{4}{6})=x

type this into your calculator. (make sure the mode on your calculator is degree or it won't work)

x= 41.8

Hope This Helps:)

brainliest please

5 0
2 years ago
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