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Brilliant_brown [7]
3 years ago
15

Jose made these grades on his test: 78,88,98. Without doing any computing, what is his average?

Mathematics
2 answers:
VARVARA [1.3K]3 years ago
6 0
Add all 3 and you get 264 then divide by 3 and you get 88
Ainat [17]3 years ago
3 0
The average is 88 because you have to add all the numbers up and divide by the number of numbers that you have....
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Find the sum of the given polynomials. 5m + 2n, n - 3m, and 7 - 3n
Nataly_w [17]
5m+2n+n-3m+7-3n =2m +7
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3 years ago
Rewrite the expression with rational exponents as a radical expression by extending the properties of integer exponents.
ra1l [238]

The expression will be written as \rm \sqrt[8]{2^5}., the correct option is A.

<h3>What are Exponents?</h3>

Exponents are the base raised to a power, It is written in the superscript of a number.

The expression given in the statement can be written as

\rm \dfrac{ 2^{7/8}}{2^{1/4}}

By the Exponent rule,

\rm \dfrac{a^m}{a^n} = a^{m-n}

So the expression can be written as

<h3>=\rm { 2^{7/8-1/4}</h3>

=\rm 2^{5/8}

=\rm \sqrt[8]{2^5}

Therefore, in radical form, the expression will be written as \rm \sqrt[8]{2^5}., the correct option is A.

The complete question is

Rewrite the rational exponent as a radical by extending the properties of integer exponents.

2 to the 7 over 8 power, all over 2 to the 1 over 4 power

the eighth root of 2 to the fifth power

the fifth root of 2 to the eighth power

the square root of 2 to the 5 over 8 power

the fourth root of 2 to the sixth power

To know more about Exponents

brainly.com/question/5497425

#SPJ2

6 0
2 years ago
If the measure of an angle is 13, find the measure of its supplement
WITCHER [35]

An angle added with it's supplement is 180.

Knowing this: 180 - 13 = 167

It's supplement is 167

8 0
3 years ago
Read 2 more answers
I need number 22 please
OLEGan [10]
The answere should be 7.16

8 0
4 years ago
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How do u write 5(2x - 1) in a distributive property
Nookie1986 [14]

Answer:

5(2x-1) = 5(2x) - 5(1)

Step-by-step explanation:

The distributive property states that multiplying a sum or difference of two terms by a number is equal to multiplying the same number with each term of the sum or difference separately and then adding the products.

It can be written as:

a(b+c) = ab + ac

or

a(b-c) = ab - ac

So, for the given question,

=>5(2x-1) = 5(2x) - 5(1)

5 0
3 years ago
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