3 years ago

Select the correct answer from each drop down menu.

Mathematics

1 answer:

kkurt [141]3 years ago

8 0

Answer: only, domain, range, f(x)

Step-by-step explanation:

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3 years ago

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A rectangular garden has an area of 108 square meters.If it’s length la is 18 m, what is the width?

monitta

Answer: 6 m

Step-by-step explanation:

The area of a rectangle is the length times the width.

We can set up an equation.

108 m^2 = 18 m * width

Width = 6 m

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Step-by-step explanation:

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If x – 10 is a factor of x2 – 8x – 20, what is the other factor?

Svetach [21]

Answer:

The other factor is $(x+2)$

Step-by-step explanation:

we know that

$(x-a)(x-b)=x^{2}-xb-xa+ab$

$(x-a)(x-b)=x^{2}-(a+b)x+ab$

In this problem we have

$x^{2} -8x-20$

and

$a=10$ -----> because is a factor

substitute and solve for b

$x^{2} -8x-20=x^{2}-(10+b)x+10b$

$8=10+b\\b=-2$

Verify in the second equation

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What is the answer to -1 = -5/2 (-2) + 4

Klio2033 [76]

Answer:

it's false

the true is -1/2

Step-by-step explanation:

-5/2-2+4=-1/2

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