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vovangra [49]
3 years ago
12

Given that Line segment B C is parallel to line segment E F which theorem or postulate proves ΔBCD =ΔFED

Mathematics
1 answer:
raketka [301]3 years ago
7 0
Seems like a trick question to me. Unless it states that D bisects CE and BF, then you can't say for sure.
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Find $5,875 ÷ $6,030 rounded to the nearest tenth of a percent.
saw5 [17]
1.0% exactly 0.9743. I hope I helped!
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Which statement is not always true ?
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There is no statements to choose from
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The two-way frequency table shows the number of stores in two different cities. What is the percentage of retail stores in City
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Answer:

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Step-by-step explanation:

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3 years ago
Which statement is true about the function f(x)=-√-x
Harrizon [31]

Answer: D.The domain and range of the function are the same.


Step-by-step explanation: Given function f(x)=-√-x.

The given function is a square root function and we have minus sign in front of x inside square root.

A square root always defined for positive values or 0.

In order to get a positive number or 0 inside square root, let us solve the inequality:

-x\geq 0

On dividing both sides by -1, the inequality sign would get flip and we get

<h3>Domain: x \leq 0.</h3>

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5 0
3 years ago
Find vertex of f(x)=(x+3)(x-5)
astra-53 [7]

The x coordinate of the vertex will be the average of the two zeros, here -3 and 5, so x=(-3+5)/2 = 1, f(1)=(1+3)(1-5) = -16.

Answer: (1, -16)

Let's do it some other ways.  How about completing the square to turn f in to vertex form?

f(x) = (x+3)(x-5) = x² - 2x - 15 = (x² - 2x + 1) - 1 - 15 = (x-1)² - 16

and now we can read off (1, -16) as the vertex.

The other method is the vertex is x= - b/2a =  - (-2)/2(1) = 1.

Three methods, same answer. Good.

4 0
3 years ago
Read 2 more answers
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