2 years ago

What is the solution to the system x + y = 5 and 3x - y = 3?

Mathematics

1 answer:

solong [7]2 years ago

7 0

The answer is (2,3)

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Y = –2x + 30 y = 4x Plz help

kati45 [8]

Answer: $x=5$

Step-by-step explanation:

Step 1:-

Given equations are y=-2 x+30........(1)

another equation is y=4 x ..........(2)

Step 2:-

solving these two equations (1) and (2)

Equating both equations are $4 x = -2 x+30$

$4 x+2 x =30$

$6 x =30$

Step 3:-

The final answer is $x=5$

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Superman needs to save Lois. After flying for 10 seconds he is 1520 meters from her then at 15 seconds he is 1230 meters from he

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URGENT MATH HELP DUE BY 12:00 PM!

Sedaia [141]

I think D is the correct answer.

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2 years ago

Convert repeating decimal 9.81 to a fraction

vampirchik [111]

Answer:

981/100

Step-by-step explanation

step: 9.81= 9.81/1

step 2 multiply both too and bottom by 10

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thus 981/100 is also equal to 9 81/100

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2 years ago

4. A town has a population of 450,000 people. If 60% of the population are under 25 years of age, how many people in the town ar

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Answer: ok so if 60% is under 25 then we can assume 40% is over 25, and then do 40% of 450,000, which is 180,000 .

so we can say that 180,000 people in the town are over 25 years old

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1 year ago