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Alekssandra [29.7K]
3 years ago
15

Rewrite the expression in the form 2". E

Mathematics
1 answer:
Vlad [161]3 years ago
6 0

Answer:

z^ {8/5}

Step-by-step explanation:

(z^{\frac{-4}{3})^{\frac{-6}{5} } \\We\ know\ that\ a^{(b)^c} = a^{bc}\\\\Hence, \\\\{z^{\frac{-4}{3})^{\frac{-6}{5}}\\}={z^{\frac{-4}{3}*\frac{-6}{5}\\}\\=z^{\frac{24}{15}}\\=z^\frac{8}{5}

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You reflect the point ( -7, -6) across
Leokris [45]
Reflecting is pushing it across from one side to another.
The answer would be (7,6)
Sorry I'm late.
4 0
3 years ago
You are testing the claim that the mean GPA of night students is different from the mea GPA of day students. You sample 20 night
svetlana [45]

Answer:

As the calculated value of z does not lie in the critical region the null hypothesis is accepted that the GPA mean of the night students is the same as the GPA mean of the day students.

Step-by-step explanation:

Here n= 20

Sample mean GPA = x`= 2.84

Standard mean GPA = u= 2.55

Standard deviation = s=  0.45.

Level of Significance.= ∝ = 0.01

The hypothesis are formulated as

H0: u1=u2   i.e the GPA of night students is same as the mean GPA of day students

against the claim

Ha: u1≠u2

i.e the GPA of night students is different from the mea GPA of day students

For two tailed test  the critical value is  z ≥ z∝/2= ± 2.58

The test statistic

Z= x`-u/s/√n

z= 2.84-2.55/0.45/√20

z= 0.1441

As the calculated value of z does not lie in the critical region the null hypothesis is accepted that the GPA mean of the night students is the same as the GPA mean of the day students.

8 0
3 years ago
The slope of the line passes through the points (3,-6) and (7,y) is -2/3. Find y.
kirza4 [7]
-6-y / 3-7 = -2/3

-6-y / -4 = -2/3

Multiply through by  -12:-
3(-6-y) = 8

-18 - 3y = 8
3y =  - 26

y = -8 2/3


5 0
3 years ago
A limousine company charges a flat fee of $35 plus $2 per mile to ride a limousine. Write an equation in slope intercept-form wh
Anna35 [415]

Answer:

y=2x+35

Step-by-step explanation:

so y is what it's equal too so you put y=

then since its $2 every mile you put them next to eachother like

2x so y=2x

then there is just a plain fee of $35 so you add that to the equation which is what makes it look like

y=2x+35

Hope this helps!! :D

5 0
3 years ago
What are the factors of 6x + 24?
omeli [17]
6x+24=(6)(x)+(6)(4)=(6)[(x)+(4)]=\boxed{6(x+4)}
8 0
3 years ago
Read 2 more answers
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