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bekas [8.4K]
3 years ago
12

Is this positive correlation , negative correlation or no correlation?

Mathematics
2 answers:
Greeley [361]3 years ago
5 0
It’s negative! Why did the other say positive? SMH
max2010maxim [7]3 years ago
3 0
Positive correlation
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Which of the following functions has the largest value when x = 4?
Stells [14]
e(4)=4^2+6 \times 4+21=16+24+21=61 \\ \\
m(4)=8 \times 4=32 \\ \\
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v(x) has the largest value when x=4.
3 0
3 years ago
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Rounded to the nearest hundredth, what is the positive solution to the quadratic equation 0 = 2x2 + 3x – 8? Quadratic formula: x
Lynna [10]

ANSWER

1.39

EXPLANATION

The given quadratic equation is

0 = 2 {x}^{2}  + 3x - 8

This is the same as,

2 {x}^{2}  + 3x - 8 = 0

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a {x}^{2}  + bx  + c = 0

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Using the quadratic formula, the solution is given by:

x =  \frac{ - b \pm \:  \sqrt{ {b}^{2}  - 4ac} }{2a}

We substitute the values to get,

x =  \frac{ - 3\pm \:  \sqrt{ {3}^{2}  - 4(2)( - 8)} }{2(2)}

x =  \frac{ - 3\pm \:  \sqrt{ 73} }{4}

The positive root is

x =  \frac{ - 3 + \:  \sqrt{ 73} }{4} = 1.39

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4 0
3 years ago
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What is the y-intercept for 10x+4y=20
stiv31 [10]

Answer:

5

Step-by-step explanation:

Hi,

find the x- and y-intercepts:

10x + 4y = 20

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10x = 20  

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finding y-intercept when x = 0

4y = 20

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Which describes money that is received from sales of goods or services?
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the answer would be revenue

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