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rosijanka [135]
3 years ago
13

X^2+(x-8)^2-3(x+2) = 2(x+9)

Mathematics
1 answer:
Yuki888 [10]3 years ago
8 0

Answer:

There are two solutions:

x = 5/2 = 2.500

x = 8

Step-by-step explanation:

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A line passes through (3, –2) and (8, 2).
EleoNora [17]
The point-slope form:
y-y_1=m(x-x_1)
m - slope
(x₁,y₁) - point

(3,-2) \\
x_1=3 \\ y_1=-2 \\ \\
(8,2) \\
x_2=8 \\ y_2=2 \\ \\ \hbox{the slope:} \\
m=\frac{y_2-y_1}{x_2-x_1}=\frac{2-(-2)}{8-3}=\frac{2+2}{5}=\frac{4}{5} \\ \\ \hbox{the point-slope form:} \\
y-y_1=m(x-x_1) \\
y-(-2)=\frac{4}{5}(x-3) \\
\boxed{y+2=\frac{4}{5}(x-3)}

\hbox{the standard form:} \\
y+2=\frac{4}{5}(x-3) \\
y+2=\frac{4}{5}x-\frac{12}{5} \\
-\frac{4}{5}x+y=-\frac{12}{5}-2 \ \ \ |\times 5 \\
-4x+5y=-12-10 \\
\boxed{-4x+5y=-22}

The answer is D.
6 0
4 years ago
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A ray is segment A, N, and B, because it has a line going away from a point.
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3 years ago
A marketing organization claims that more than 10% of its employees are paid minimum wage. If a hypothesis test is performed tha
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Answer:

there is insufficient evidence to support the claim that more than 10% of the employees are paid minimum wage.

Step-by-step explanation:

Given that:

A marketing organization claims that more than 10% of its employees are paid minimum wage.

The null hypothesis is:

H_o : p = 10

The alternative hypothesis is:

H_1 : p > 10

If a hypothesis test is performed that fails to reject the null hypothesis, how would this decision be interpreted

i.e Decision Rule: fails to reject the null hypothesis

Then the interpretation of the decision is that, there is insufficient evidence to support the claim that more than 10% of the employees are paid minimum wage.

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