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KonstantinChe [14]
2 years ago
5

What is the answer to y=2x+1

Mathematics
2 answers:
seropon [69]2 years ago
7 0
Answer: x= y-1/2

How to solve:
1. Subtract 1 from both sides.
2x=y-1
2. Divide both sides by 2
X=y-1/2
Zarrin [17]2 years ago
6 0
This equation looks like it is using the formula y=mx+b. You should attempt to graph it.
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Given the function f(x)=4|x-5|+3 for what values of x is f(x)=15
Andreyy89

Answer:

  {2, 8}

Step-by-step explanation:

We want to find x for ...

  15 = 4|x -5| +3

  12 = 4|x -5| . . . . subtract 3

  3 = |x -5| . . . . . . divide by 4

  ±3 = x -5 . . . . . . show the meaning of absolute value

  5 ±3 = x = {2, 8} . . . . . add 5

The values of x for which f(x) = 15 are 2 and 8.

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3 years ago
What is 3x?
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Step-by-step explanation:

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6 0
3 years ago
a hiking trail has a slope of 7/32. what is the measure of the angle it makes with the horizontal line
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10 degree slope angle
5 0
3 years ago
What is the solution to this equation? –0.2(x – 20) = 44 – x
Airida [17]

Answer: x = 50

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Statistics please help I'm not good worth 50 points
mina [271]

(a) I can't help you with using your calculator for this part, but if you have some familiarity with your device you can check your answer with mine.

The mean is simply the sum of all the house costs divided by the number of houses:

(75k + 75k + 150k + 155k + 165k + 203k + 750k + 755k)/8 = 291k

So the population mean is $291,000.

The population standard deviation is the square root of the population variance. To get the variance, you take the sum of all the squared differences between the cost and the mean cost, then divide that sum by the number of houses. That is,

[(75k - 291k)² + (75k - 291k)² + … + (755k - 291k)²]/8 = 581,286k

Note that the variances is measured in square dollars. Then the standard deviation is

√(581,286k) ≈ $762,421.1

(b) The median is just the price in the middle. There were 8 houses sold, so there are 2 "middle" prices. The median is the average of these:

(155k + 165k)/2 = 160k = $160,000

(c) Yes, the mode is the data that shows up most frequently. This happens at the lower end, with $75,000 appearing twice.

8 0
2 years ago
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