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3 years ago

The length of a rectangle is twice its width. If the area of the rectangle is 98 in 2 square , find its perimeter.

Mathematics

1 answer:

Romashka [77]3 years ago

6 0

The perimeter of the rectangle is 42

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I think the answer is graphing, plz give me brainliest

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3 years ago

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Kevin wants to earn more than $58 trimming trees. He charges S6 per hour and pays $8 in equipment fees. What are the possible nu

jonny [76]

Answer:

58 ≤ 6r - 6

64 ≤ 6r

10.3 ≤ r

Step-by-step explanation:

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3 years ago

What is the midpoint of this segment??

Korvikt [17]

Answer:

A) 6,3

Why?

The midpoint, which is somewhat self-explanatory thanks to its name, is a point in the center of a line.

To answer this question properly, you need to analyze the line and assess the situation.

How did it go from x = 2 to x = 10? Let's see, if we count by two's across the line, you'll notice it makes more sense. So now we know that every square goes up by two. x = 6 is the exact center of the line.

I hope this wasn't confusing, it's tough to explain it!

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3 years ago

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100 POINTS+BRAINLIEST 8TH GRADE MATH PT 5: WRITE THE EQUATION OF A LINE- this one was strange because the slope is supposed to b

Finger [1]

Answer:

$\textsf{b.} \quad 3x+5y=2$

Step-by-step explanation:

Define the given points:

$\textsf{let}\:(x_1,y_1)=(4,-2)$

$\textsf{let}\:(x_2,y_2)=(-1,1)$

Use the slope formula to determine the slope of the line:

$\textsf{slope}\:(m)=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{1-(-2)}{-1-4}=\dfrac{1+2}{-1-4}=-\dfrac{3}{5}$

Use the point-slope formula to determine the equation of the line.

$\implies y-y_1=m(x-x_1)$

Substitute the found slope and point (4, -2):

$\implies y-(-2)=-\dfrac{3}{5}(x-4)$

$\implies y+2=-\dfrac{3}{5}(x-4)$

Multiply both sides by 5:

$\implies 5(y+2)=-3(x-4)$

Expand the brackets:

$\implies 5y+10=-3x+12$

Add 3x to both sides:

$\implies 5y+10+3x=-3x+12+3x$

$\implies 3x+5y+10=12$

Subtract 10 from both sides:

$\implies 3x+5y+10-10=12-10$

$\implies 3x+5y=2$

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2 years ago

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(5x^2-8x+1)+(2x^2-4x-11)

UkoKoshka [18]

Answer:

7x^2 - 12x - 10

Step-by-step explanation:

5x^2 - 8x + 1 + (x^2 - 4x - 11)

7x^2 - 8x + 1 - 4x - 11

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3 years ago