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nirvana33 [79]
3 years ago
9

Point D is on line segment CE.Given CD = X, DE = 7, and CE = 2x, determine the numerical length of CD

Mathematics
1 answer:
Usimov [2.4K]3 years ago
7 0

Answer:

CD = 7

Step-by-step explanation:

Since D is on the line segment CE then

CE = CD + DE , substitute values

2x = x + 7 ( subtract x from both sides )

x = 7

Thus

CD = x = 7

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allsm [11]

Answer:

Step-by-step explanation:

by inspection.. just looking at the graph

slope = - 1/2    (called m )

Y-intercept is at 1

line equation is then

y= mx + b

y= -1/2x +1  

:)

6 0
3 years ago
Which is greater: 75% of 56 or 114.8 divided by 2.8? Explain how you know.
Umnica [9.8K]

Answer:

<em>114.8</em>

Step-by-step explanation:

When you divide 75% and 2.8 you get 0.2678

When you divide 56 and 2.8 you get 20

When you divide 114.8 and 2.8 you get 41

So the greatest number divided by 2.8 is <em>114.8</em>

3 0
2 years ago
What are the roots of the polynomial equation x^2-x72=0
Tom [10]
I hope this helps you



x^2-x-72=0


x -9


x +8



(x-9)(x+8)=0



x=9



x= -8
8 0
3 years ago
If f(x)=x+7 and g(x)= 1 divided by x-13, what is the domain of (f•g)(x)?
andrew11 [14]
<h2>Hello!</h2>

The answer is:

The domain of the function is all the real numbers except the number 13:

Domain: (-∞,13)∪(13,∞)

<h2>Why?</h2>

This is a composite function problem. To solve it, we need to remember how to composite a function. Composing a function consists of evaluating a function into another function.

Composite function is equal to:

f(g(x))=(f\circ} g)(x)

So, the given functions are:

f(x)=x+7\\\\g(x)=\frac{1}{x-13}

Then, composing the functions, we have:

f(g(x))=\frac{1}{x-13}+7\\

Therefore, we must remember that the domain are all those possible inputs where the function can exists, most of the functions can exists along the real numbers with no rectrictions, however, for this case, there is a restriction that must be applied to the resultant composite function.

If we evaluate "x" equal to 13, the denominator will tend to 0, and create an indetermination since there is no result in the real numbers for a real number divided by 0.

So, the domain of the function is all the real numbers except the number 13:

Domain: (-∞,13)∪(13,∞)

Have a nice day!

5 0
3 years ago
A video game company can fit 535 boxes of games into a truck. If the company has 47 full trucks, how many games does it have in
MrRissso [65]
535 x 47=25145 video games
6 0
3 years ago
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