2 years ago

HELP ME PLZZ I NEED HELP WITH THIS!!

Mathematics

1 answer:

VARVARA [1.3K]2 years ago

7 0

Answer:

Step-by-step explanation:

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Answer:

should be 15...

Step-by-step explanation:

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2 years ago

Lets see who is smart lol

Simora [160]

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Answer:

$\square\quad{y=\dfrac{1}{2}x+4}\\\\\square\quad{\dfrac{y-5}{x-2}=\dfrac{1}{2}}$

Step-by-step explanation:

The slope of a line is the same everywhere, so an equation can be written making use of that fact.

$\dfrac{y-y_1}{x-x_1}=\dfrac{y_2-y_1}{x_2-x_1}\\\\\dfrac{y-5}{x-2}=\dfrac{7-5}{6-2}=\dfrac{2}{4}\\\\\boxed{\dfrac{y-5}{x-2}=\dfrac{1}{2}}$

Cross-multiplying gives ...

2(y -5) = x -2

2y -10 = x -2 . . . eliminate parentheses

2y = x +8 . . . . . . . add 10; next, divide by 2

$\boxed{y=\dfrac{1}{2}x+4}$

These equations match choices B and D.

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2 years ago

-4+0.8 is it rational or irrational and why

Whitepunk [10]

Answer:

rational

Step-by-step explanation:

-4+0.8=-3.2

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2 years ago

Which expression is equivalent to (xy)z? o (x+y)+z O2z(xy) O x(y+z)

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Step-by-step explanation:

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3 years ago

10 POINTS Seventeen is 20% of what number? Enter your answer in the box.

Scrat [10]

85

Also, this is 5 points.

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3 years ago