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Ivenika [448]
3 years ago
15

If DE≅EF, CD = v + 45, and CF = 4v, what is the value of v?

Mathematics
1 answer:
irinina [24]3 years ago
3 0

Answer:

<h2><u>since </u><u>DE≅EF</u></h2>

<u>CD=</u><u>CF </u><u>(</u><u>cpct)</u>

<u>v + 45 = 4v \\ 4v - v = 45 \\ 3v = 45 \\ v =  \frac{45}{3}  \\  v = 15</u>

<h2><u>hope</u><u> it</u><u> helps</u><u> you</u><u><</u><u>3</u></h2>
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A piece of duct measures 48 inches. When pieces are fitted together, 1 12
bearhunter [10]

Answer:

A piece of duct measures 48 inches.

In each connection, we lost 1 1/2 inches (i guess that it is what you wanted to write)

Then:

If we have 7 pieces of duct connected we have 5 connections (the ones in the extremes are not connected between them, so the number of connections is equal to the number of ducts minus two.)

So here we have 7 times 48 inches for the pieces, minus 5 times 1 1/2 in (i will write 1 1/2 = 1 + 0.5 = 1.5 in, so the math is easier)  for the connections, the length is:

L = 7*48in - 5*1.5in = 328.5 inches.

for the 12 pieces duct, we have 12 pieces and 10 connections, so the length is:

L = 12*48in - 10*1.5in = 561 in

Now, if we want to make only one duct with those two, then we must add their lengths, but if we connect them, we also need to subtract the 1.5in of the new connection:

L = 561in + 328.5in - 1.5in = 888in

3 0
3 years ago
Which of the following is an equivalent function to the function below?
Murljashka [212]
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3 0
3 years ago
Sharon runs a day care center. Of the last 10 children to enroll at the day care center, 4 of them have been preschoolers. What
JulijaS [17]

Answer:

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P(E) = 40%

Step-by-step explanation:

What is Experimental Probability?

Experimental probability is basically the ratio of the number of outcomes occurred to the total number of trials in an actual experiment.

In this problem we are given that out of the last 10 children to enroll at the day care center, there are 4 children who belong to the category of preschoolers.

We are asked to find the experimental probability that the next child to enroll will be a preschooler.

The required experimental probability is given by

P(E) = \frac{\text{number \:of \:desired \:outcomes}}{\text{total \:number \:of \:outcomes}}

Where number of desired outcomes are 4 and total number of outcomes are 10

So the probability is

P(E) = \frac{4}{10} \\\\P(E) = 0.40\\\\P(E) = 40\% \\\\

Therefore, the experimental probability that the next child to enroll will be a preschooler is 40%

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3 years ago
The Bartlett family is taking a road trip to Yellowstone National Park! Yesterday, they drove a total of 550 miles in 11 hours.
DIA [1.3K]

Answer:

4 hours

Step-by-step explanation:

4 0
2 years ago
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Which of the following points are solutions t the equation 3x - 4y - 8 = 12?
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3x = 20 + 4y

x = 20/3 + 4/3y

3 0
3 years ago
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