3 years ago

As fast as possible before today

Mathematics

1 answer:

andrezito [222]3 years ago

6 0

I am writing answers directly.

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The width of a rectangle is 7 meters greater than its length. If the area of the rectangle is 170 square meters, write the quadr

Lostsunrise [7]

Since x represents the length (in meters), the width, which is 7 meters greater, is x +7. The product of these dimensions is the area (in square meters):
x(x +7) = 170
In standard form, the quadratic is ...
x² +7x -170 = 0

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3 years ago

12k+5=k+49 what's the answer

dybincka [34]

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3 years ago

Solve for x.

olga nikolaevna [1]

Answer:

$\boxed{x=5},x=-9$

Step-by-step explanation:

To rid the denominators, multiply both sides by $(x-3)(x+1)$ .

We get:

$6(x+1)-12(x-3)=(x-3)(x+1)$

Simplifying, we have:

$6x+6-12x+36=x^2-3x+x-3,\\-6x+42=x^2-2x-3,\\x^2+4x-45=0$

Solving, we get:

$x^2+4x-45=0,\\(x-5)(x+9)=0,\\x=5,x=-9$

Therefore, the solution with the greatest value is $x=\boxed{5}$

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GrogVix [38]

Answer:

-3,2

Step-by-step explanation:

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3 years ago

Translate the algebraic expression shown below into a verbal expression.

yaroslaw [1]

The quotient of some number and four.

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3 years ago