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Alenkasestr [34]

3 years ago

9

Determine if x-5 is a factor of 2x^3-4x^2-7x-10

1 answer:

Rudiy273 years ago

8 0

It is not a factor of x-5.Substitute 5 in the palce of x.Since the value is not equal to x,it is not a factor of x-5.

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The longer base of an isosceles trapezoid measures 22 ft. The nonparallel sides measure 8 ft, and the base angles measure 75°. F

Mamont248 [21]

Check the picture below

and recall that

$\bf sin(\theta)=\cfrac{opposite}{hypotenuse}
\qquad
cos(\theta)=\cfrac{adjacent}{hypotenuse}\\\\
-------------------------------\\\\
sin(75^o)=\cfrac{y}{8}\implies 8sin(75^o)=y
\\\\\\
cos(75^o)=\cfrac{x}{8}\implies 8cos(75^o)=x$

4 0

4 years ago

Read 2 more answers

The parrots at the top of the tree is about 10 inches long and has a wing span of 15 inches what fraction represents the birds l

QveST [7]

The correct answer is 10/15, simplified to 2/3.

6 0

3 years ago

Find the nonpermissible replacement for x in this expression <img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B-8x%7D" id="TexF

iren2701 [21]

Answer:

0

Step-by-step explanation:

It is not permissible for the denominator to be zero, so the "nonpermissible replacement" for x is 0.

8 0

3 years ago

What is a rational number?

Sever21 [200]

Step-by-step explanation:

A rational number is any number that can be divided (written as a fraction) by.

Examples: 1/2, 3, 5/9

*Irrational numbers: cannot be divided

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3 0

3 years ago

Read 2 more answers

Use the distributive property to expand the following expression.

Levart [38]

Answer:

-12.8x - 20y + 8.4

Step-by-step explanation:

To do this you just multiply everything by negative 4

so we have 3.2x*-4 + 5y*-4 - 2.1*-4

This gives us

-12.8x - 20y + 8.4

The last term is positive because we multplied a negative by another negative

3 0

3 years ago