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enot [183]
4 years ago
13

If you have 31 questions on a test and you get 5 wrong what is your grade

Mathematics
2 answers:
Nadya [2.5K]4 years ago
8 0
31-5=26 (number of questions you got right)

26/31=0.8387…=83.87%

You got an A.

Hope this helps!
aksik [14]4 years ago
6 0

Answer:

26/31

Step-by-step explanation:

if you do 31-5

Hopes this helps

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Use synthetic division to solve(X^3+1) divide by. X-1
frozen [14]

The answer is =x^2 +x +1 +2/x-1

6 0
4 years ago
What is the difference between rates and proportions???
frez [133]
A rate often involves time:  e. g., 33 feet per second; also, we are finding the ratio of one type of measurement with respect to another:  distance and time.

A proportion is often the ratio of different measures of the same thing:

e. g.   5 apples
          ------------
           7 apples
6 0
3 years ago
<img src="https://tex.z-dn.net/?f=4%5E%7B%5Cfrac%7B-5%7D%7B2%7D%20%7D" id="TexFormula1" title="4^{\frac{-5}{2} }" alt="4^{\frac{
photoshop1234 [79]

Answer:

Given expression is equal to  1/32

Step-by-step explanation:

Given that:

= 4^(-5/2)

To eliminate "-" sign we will invert the fraction as follows:

= (1/4)^ 5/2

Or it can be written as:

= =\sqrt{(1/4)^5} \\=\sqrt{1/1024} \\=1/32

This is the simplified expression.

i hope it will help you!

8 0
3 years ago
(03.01)<br> Factor completely 2x^5 + 10x^4- 22x^3
kakasveta [241]

Answer:

Step-by-step explanation:

2x^3(x^2 + 5x - 11)

5 0
3 years ago
1) There are 43 girls and 25 boys in the Valley View Middle School chorus. What is the ratio of girls to boys? 43 to 25, or 43:2
Arturiano [62]

Answer:

Oh gosh. Im not positive but I think it would be 43:25. Please dont get mad at me if its wrong!

Step-by-step explanation:

I am so sorry if its wrong but im not very sure :-(

6 0
2 years ago
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