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a_sh-v [17]
3 years ago
6

Y = (x-3)^2 when x = 9

Mathematics
2 answers:
hoa [83]3 years ago
4 0

l HOPE IT WILL HELP YOU.

Have a great day ahead.

Thank you.

^ - ^

Strike441 [17]3 years ago
3 0

Answer:

36

Step-by-step explanation:

9-3=6

6*6=36

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The system of equations has infinite solutions.

<h2>Given to us,</h2>
  • y=-6x+2
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<h3>Equation 2,</h3>

The value of y is already given in equation 1,

-12x-2y=-4

substituting the value of y in equation 2,

-12x-2(-6x+2)=-4\\-12x +12x-4=-4\\-12x+12x=-4+4\\0=0

The solution of the two equations is 0. Also, we can see that both the equations are in ratio.

Further, the image also shows that the line of the two equations are coinciding.

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2 years ago
Algebraic expression for “six more than the quantity d times two.”
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2 years ago
In the ordered pair (2, 3), what is the x-coordinate? y-coordinate?
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What is math in chinese
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Read 2 more answers
A credit reporting agency claims that the mean credit card debt in a town is greater than $3500. A random sample of the credit c
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Answer:

Claim is false

Step-by-step explanation:

Claim : A credit reporting agency claims that the mean credit card debt in a town is greater than $3500.

H_0:\mu \leq 3500\\H_a:\mu = 3500

n = 20

Since n <30

So we will use t test

Formula : t =\frac{x-\mu}{\frac{s}{\sqrt{n}}}

s = standard deviation = 391

x = 3600

n = 20

t =\frac{3600-3500}{\frac{391}{\sqrt{20}}}

t =1.14

Degree of freedom = n-1 = 20-1 = 19

α=0.10

So, using t table

t_({\frac{\alpha}{2},d.f.}) = 1.72

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So we accept the null hypothesis

Hence we reject the claim that the mean credit card debt in a town is greater than $3500.

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