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2 years ago

Please help I dont understand

Mathematics

1 answer:

Studentka2010 [4]2 years ago

7 0

Step-by-step explanation:

When it says y varies directly with x it just means that y and x are proportional/equal to each other. The constant of variation and the constant of proportionality are the same thing just different way of saying it so they can confuse you and make your life miserable. Since y and x are proportional to each other and the constant of proportionalty is -5 to make an equation that represents a line you use the formula y=mx+b. That is the slope of the line. With that formula let's first plus in the x so we have y=m2+b. The formula for direct variation is y=kx as well that's good to know and it's good to memorize all these formulas. Math becaomes easier when you have the process down pat and you just need to plug numbers into different equations, expressions, and scenarios. Do m = [y1 - y2] / [x1 - x2] and you'll get the answer.

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87.125 is it rational or irrational? Explain how.

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Answer:

87.125 is rational

Step-by-step explanation:

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3 years ago

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12345 [234]

Answer:

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Step-by-step explanation:

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3 years ago

Allen runs 8 miles in 3 hours at a steady pace. how long does it take him to run 3 miles

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3 years ago

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How would you solve 3x^2-12=0?

Gennadij [26K]

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Personally, I would divide each side by 3 x^2 - 4 = 0

Then I would add 4 to each side x^2     = 4

Then I would take the square root of each side: x = +4
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3 years ago

Can someone please help me with this, im doing a test and im stuck on this question.

Mashutka [201]

Answer:

Step-by-step explanation:

first do 75/50 = 1.5

then multiply red by 1.5

13 landed on red so

13 x 1.5 = 19.5

but since you round up it is 20

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3 years ago

Please help I dont understand ​

Please help I dont understand