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Leokris [45]
3 years ago
10

What is the solution to –2(5y – 5) – 3y ≤ –7y + 22?

Mathematics
1 answer:
PolarNik [594]3 years ago
5 0
That is the answer to this question. choose C.

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Is there any systematic tendency for part-time college faculty to hold their students to different standards than do full-time f
alexandr1967 [171]

Answer:

H0 : μ1 - μ2 = 0

H1 : μ1 - μ2 ≠ 0

-1. 34

0.1837

Step-by-step explanation:

Full time :

n1 = 125

x1 = 2.7386

s1 = 0.65342

Part time :

n2 = 88

x2 = 2.8439

s2 = 0.49241

H0 : μ1 - μ2 = 0

H1 : μ1 - μ2 ≠ 0

Test statistic :

The test statistic :

(x1 - x2) / sqrt[(s1²/n1 + s2²/n2)]

(2.7386 - 2.8439) / sqrt[(0.65342²/125 + 0.49241²/88)]

−0.1053 / sqrt(0.0034156615712 + 0.0027553)

-0.1053 /0.0785554

= - 1.34

Test statistic = - 1.34

The Pvalue :

Using df = smaller n - 1 = 88 - 1 = 87

Pvalue from test statistic score ;

Pvalue = 0.1837

Pvalue > α ; We fail to reject the null and conclude that the GPA does not differ.

At α = 0.01 ; the result is insignificant

6 0
2 years ago
HELP ME PLEASE 10 POINTS ON IT PLEASE HELP ME ​
dimulka [17.4K]

hope it helps

plz. mark as brainliest

7 0
2 years ago
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4. What is the potential energy of the bowling ball as it sits on top of the building?
Sidana [21]

Answer:

gravitational Potential Energy

Step-by-step explanation:

6 0
2 years ago
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If X to the second power is 20, what is the value of X????????? can someone please help meeeeeee
kap26 [50]

<em>Answer:</em>

<em>x = 2√5</em>

<em>Step-by-step explanation:</em>

<em>Hi there !</em>

<em>x² = 20</em>

<em>x²  = 4×5</em>

<em>x² = 2²×5</em>

<em>x = √2²×5</em>

<em>x = 2√5</em>

<em>Good luck !</em>

8 0
2 years ago
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How find derivative of function: y=arcsin(2x+1)<br> ...?
Setler [38]
( \arcsin{x})'= \frac{1}{ \sqrt{1-x^2} } &#10;\\&#10;\\ (\arcsin{(2x+1)})'= \frac{1}{ \sqrt{1-(2x+1)^2} } (2x+1)'= \frac{2}{ \sqrt{1-(4x^2+4x+1)} } =&#10;\\&#10;\\= \frac{2}{ \sqrt{-4x^2-4x} } =\frac{2}{ \sqrt{4x(-x-1} )} =\frac{2}{ 2\sqrt{x(-x-1} )} =\frac{1}{ \sqrt{x(-x-1} )}
3 0
3 years ago
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