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zavuch27 [327]
3 years ago
5

Which equation has x=4 as the solution

Mathematics
1 answer:
dedylja [7]3 years ago
4 0

Answer:

are you looking for example?

Step-by-step explanation:

If so,

 X + 3 = 7

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What is this equation 17+ -8+ -8 equals
Elodia [21]

Answer:-1

Step-by-step explanation:

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3 0
3 years ago
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How to use the results of part (b) and appropriate computation formulas to compute the sample variances s2 and sample standard d
anygoal [31]
s^2=\displaystyle\sum\frac{(x-\bar x)^2}{n-1}=\frac1{n-1}\sum(x^2-2x\bar x+{\bar x}^2)=\frac{\displaystyle\sum x^2-2\bar x\sum x+{\bar x}^2}{n-1}

where \bar x=22 is the mean. Since

\sum x^2=2568
\sum x=110

you have variance

s^2=\dfrac{2568-2(22)(110)+22^2}{5-1}=37

and so the standard deiviation is

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7 0
3 years ago
Write an equation in point-slope form for the line through the given point with the given slope.
Lilit [14]

The correct answer is D) y + 1 = 4/3(x - 9)

In order to find this, simply take the point and the slope and plug into the base form of point-slope form.

y - y1 = m(x - x1)

Use the slope for m and the point for (x1, y1)

y + 1 = 4/3(x - 9)

7 0
3 years ago
A candle burns down at the rate of 0.5 inches per hour. The original height of the candle was 6 inches.
olga_2 [115]
PART A:
x | 0  |  1  |  2 | 3  | 4   | 5  |  6  |  7  | 8  | 9 | 10 | 11 | 12 |
y | 6 | 5.5 | 5 | 4.5 | 4 | 3.5 | 3 | 2.5 | 2 | 1.5 | 1 | 0.5 | 0 |

x=hours
y=candle length

PART B:
Yes it is a function because you can input the values 

PART C: 
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5 0
3 years ago
Paul works for a company that deals in paints and dyes. He is paid a fixed monthly salary plus 15 percent commission on monthly
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If x is the sales amount over $20,000, the function g(x) giving Paul's commission is <span>0.15x</span>
4 0
4 years ago
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