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2 years ago

WILL MARK BRAINLIEST HELP PLEASE

Mathematics

1 answer:

denis-greek [22]2 years ago

3 0

Answer:

7.) m = 1/3 ; b = -2.5

8.) m = 2 ; b = 2

Step-by-step explanation:

For m, either do the rise over run method or use 2 points and do (y2-y1)/(x2-x1).

For b, just look at the y-intercept/where it crosses the y axis

I believe those are the right answers but not too sure because the numbers on the graph are a bit blurry so i just assumed it counted by ones.

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X to the power of 3=64?

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In the equation, 6(3x+5) -4x =35 , what are some of the steps that should be taken to solve for x? Select all that apply.

Natalija [7]

You need to combine like terms and subtract 30. How you find the answer is you work the problem first 1. Distribute the 6 (18x+30)-4x=35 then 2. combine like terms 18x and -4x. (14x+30)=35 then 3. Subtract 30 from both sides (14x)=5

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A soccer field has a perimeter of 326 metres. Its area is 6370 square metres. What are the dimensions of the field?

Burka [1]

Answer:

Step-by-step explanation:

chiều dài:x,x>0

chiều rộ:y

$\left \{ {({x+y)*2=326} \atop {xy=6370}} \right.$

$\left \{ {{x+y=163} \atop {xy=6370}} \right.$

$\left \{ {{y=163-x} \atop {xy=6370}} \right.$

$\left \{ {{y=163-x} \atop {x*(163-x)=6370}} \right.$

$\left \{ {{y=163-x} \atop {163x-x^{2} =6370}} \right. \\$

$\left \{ {{y=163-x} \atop {x_{1} =98; x_{2} =65}} \right.$

$\left \{ {{y=65} \atop {x=98}} \right.$

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