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dedylja [7]
2 years ago
10

Okay so my teacher gave me this question "5=-3+y" can someone help me under stand it??

Mathematics
2 answers:
umka2103 [35]2 years ago
6 0

Answer:

5=-3+y

inverse property. -3 + 3 = 0 so we add 3 to both sides to cancel out the -3 to ISOLATE the y.

5 = -3 + y

-3 + 3

-3 + 3 = 0

5+3 = 8

8 = y.

y = 8 basically.  I hope that helped.

Step-by-step explanation:

lbvjy [14]2 years ago
4 0
You would want to eventually end up with y=…. or ….=y

With an equation, what you do to one side you must do to the other.
Meaning you’d add 3 to both sides.
So you’d have 8=y
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Answer:

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Step-by-step explanation:

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H_o : \mu  = 10

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Zo = \frac{\bar x - \mu}{\frac{\sigma}{\sqrt{n}}}

for two sided alternatives  hypothesis ( H1: \mu \neq 7), then P value is

P = 2[1- \phi(\left | Zc \right |)]                          (1)

a)significance level  \alpha = 0.01

from 1 eq we get

\pi (\left | Zc \right |) = P(Zo

Therefore  \left | Zc \right | = 2.58    FROM Z TABLE

B) significance level  \alpha = 0.05

from 1st equation we get

\pi (\left | Zc \right |) = P(Zo < \left | Zc \right |) = 1 - \frac{0.05}{2}  = 0.975

Therefore  \left | Zc \right | = 1.96    FROM Z TABLE

C) significance level  \alpha = 0.10

from 1 eq we get

\pi (\left | Zc \right |) = P(Zo

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Step-by-step explanation:

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3 years ago
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Vera_Pavlovna [14]

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Step-by-step explanation:

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4 0
3 years ago
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