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Elodia [21]
3 years ago
14

Solve the simultaneous equation x + 2y =2 and 2x + 5y = 4​

Mathematics
2 answers:
sveta [45]3 years ago
7 0

Answer:

x=2 y=0

Step-by-step explanation:

solve for y

x+2y=2

x=2-2y

2(2-2y)+5y

4-4y+5y=4

4+y=4

y=0

plug into equation

2x+5(0)=4

x=2

and

x+2(0)=2

x=2

umka21 [38]3 years ago
6 0

Answer:

(2,0)

Step-by-step explanation:

   2 (x + 2y) = (2)

   

      2x + 4y = 4

-    2x + 5y = 4

-1y = 0

y = 0

2x + 5(0) = 4

2x = 4

x = 2

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sergiy2304 [10]

Answer:

 13m²−35m+8−4m³

Step-by-step explanation:

Expand (1 − 4m)(m² − 3m + 8) by multiplying each term in the first expression by each term in the second expression.

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Simplify terms.

13m²−35m+8−4m³

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2 years ago
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Answer:

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Step-by-step explanation:

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6 0
3 years ago
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Answer:

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Step-by-step explanation:

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6 0
3 years ago
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WITCHER [35]
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5 0
3 years ago
Which of the following is an example of a null hypothesis? A. The average quantity of detergent put into a box by this filling m
gavmur [86]

Answer:

C

Step-by-step explanation:

Null hypothesis: hypthesis to test that there is no significant difference between the specific characteristic of a population. Analysts look to reject a null hypothesis

A. the shipping company's average delivery time is different from 3 days. This is an example of alternative hypothesis. Null hypothesis is writtien as a claim

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5 0
3 years ago
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