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seraphim [82]
3 years ago
8

Solve each system by elimination x + 2y = 20 3x +2y = -12

Mathematics
1 answer:
neonofarm [45]3 years ago
3 0
The answer is (2,-9). Hope i can help.
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Answer:

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7 0
3 years ago
A+3 1/4+5 2/9 what is the value of a, explain how you got the answer
larisa86 [58]

Answer:

a+305/36

Step-by-step explanation:

Convert

3

1

4

3

1

4

to an improper fraction.

a

+

13

4

+

5

2

9

a

+

13

4

+

5

2

9

Convert

5

2

9

5

2

9

to an improper fraction.

a

+

13

4

+

47

9

a

+

13

4

+

47

9

To write

13

4

13

4

as a fraction with a common denominator, multiply by

9

9

9

9

.

a

+

13

4

⋅

9

9

+

47

9

a

+

13

4

⋅

9

9

+

47

9

To write

47

9

47

9

as a fraction with a common denominator, multiply by

4

4

4

4

.

a

+

13

4

⋅

9

9

+

47

9

⋅

4

4

a

+

13

4

⋅

9

9

+

47

9

⋅

4

4

Write each expression with a common denominator of

36

36

, by multiplying each by an appropriate factor of

1

1

.

a

+

13

⋅

9

36

+

47

⋅

4

36

a

+

13

⋅

9

36

+

47

⋅

4

36

Combine the numerators over the common denominator.

a

+

13

⋅

9

+

47

⋅

4

36

a

+

13

⋅

9

+

47

⋅

4

36

Simplify the numerator.

a

+

305

36

a

+

305

36

3 0
3 years ago
Read 2 more answers
MATH Intervention Math - Unit 2: Expressions, Sequences, and Logic
scZoUnD [109]
Huh this gives out no information to answer
7 0
3 years ago
Why might a person need an emergency fund?
neonofarm [45]
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4 0
3 years ago
Find the value of the rectangular prism
Ainat [17]
27.

Volume = length*width*height
So 3*3*3=27
6 0
3 years ago
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