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2 years ago

What is the slope of a line passing through (7, 6) and (9, 0)?

1 answer:

5 0

Slope is equal to rise over run. For this question we use 0-6=-6 as the numerator and 9-7=2 as the denominator, thus the slope is -6/2=-3

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A company has developed a training procedure to improve scores on the SAT. Following the training, 100 high school students take

Pani-rosa [81]

Answer:

The calculated t-test = 1.717 < 1.6604 at 0.05 level of significance

Null hypothesis is accepted at 0.05 level of significance

A company has developed a training procedure is significantly improve scores

Step-by-step explanation:

Step(i):-

Given sample mean (x⁻ ) = 517

sample standard deviation (s) =90

Mean of the Population (μ) =500

Null Hypothesis :- H₀ : (μ) =500

Alternative Hypothesis : H₁ : μ ≠ 500

Step(ii):-

Test statistic

$t = \frac{x^{-} -mean}{\frac{s}{\sqrt{n} } }$

$t = \frac{517 -500}{\frac{90}{\sqrt{100} } }$

t = 1.717

Level of significance

∝ = 0.05

t₀.₀₅ = 1.6604

The calculated t-test = 1.717 < 1.6604 at 0.05 level of significance

Conclusion:-

Null hypothesis is accepted at 0.05 level of significance

A company has developed a training procedure is significantly improve scores

3 0

3 years ago

Write an expression that represents the quantity 5 more than a number

Natali5045456 [20]

6+7 is that good i hope so

3 0

3 years ago

Nicole's Bikes rents bikes for $17 plus $3 per hour. Ndiba paid $41 to rent a bike. For how many hours did he rent the bike?

NemiM [27]

Answer:

Ndiba rented the bike for 8 hours

Step-by-step explanation:

41 - 17 = 24

24 ÷ 3 = 8

7 0

2 years ago

Solve the inequality.

mr Goodwill [35]

Answer:

which inequality? where the question ?

Step-by-step explanation:

4 0

3 years ago

SIMPLE PARALLELOGRAM PERIMETER QUESTION

umka2103 [35]

The perimeter is 62 inches. My work is shown in the picture.

6 0

3 years ago