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Nezavi [6.7K]
3 years ago
15

What is 2/5 +1/3= show your work

Mathematics
2 answers:
Scrat [10]3 years ago
6 0
Must find a common denominator

2/5 + 1/3

= 6 + 5/15
= 11/15
natita [175]3 years ago
3 0
The first thing you want to do is get a common denominator. This means the number at the bottom of both fractions is the same. 

In this problem it would be fifteen 
2/5 x 3/3 = 6/15
1/3 x 5/5 = 5/15

When adding fractions you only add the numerators or the top numbers together. When adding fractions the denominator is NEVER ADDED. 
6/15 + 5/15 = 11/15
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Answer:

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6 0
4 years ago
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WILL GIVE BRAINLIEST
garri49 [273]

<em><u>The expressions that are polynomial are:</u></em>

6 + w

2x^4 - y

z + 1

<em><u>Solution:</u></em>

polynomial is an expression with variables and coefficients with the operations of addition, subtraction, multiplication, and non-negative integer exponents of variables

1) 6 + w

Here "w" is a variable, hence it is a polynomial expression

2)\ 2x^4 - y

This is a polynomial, since it has variables and coefficients and variable with non negative exponent

3) z + 1

This is also a polynomial with variable "z" and has addition operation

4)\ y^2 - y\sqrt{3} + 4

Since it has root so it is not a polynomial

7 0
4 years ago
Two angles are supplementary. One is 90° more than twice the other. Find the measures of the angles.​
Doss [256]

Answer:

30, 150

A + B = 180

A = 2B+ 90

2B + 90 + B = 180

3B = 90

B=30 A=150

Step-by-step explanation:

3 0
3 years ago
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