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1 year ago

WILL MARK BRAINLIEST

Mathematics

2 answers:

Leya [2.2K]1 year ago

6 0

Answer:

answer is y = -2x + 18

Step-by-step explanation:

D, ive done this worksheet yesterday actually! lol

djverab [1.8K]1 year ago

3 0

Answer:

y = -2x + 18

Step-by-step explanation:

m = -2, (2,14)

y - 14 = -2(x - 2)

y - 14 = -2x +4

y = -2x + 18

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A random sample of 38 wheel chair users were asked whether they preferred cushion type A or B, and 28 of them preferred type A w

-BARSIC- [3]

Answer:

The statement that cushion A is twice as popular as cushion B cannot be verified

Step-by-step explanation:

From the question we are told that:

Sample size n=38

Type a size A $X_a=28$

Type a size B $X_b=10$

Generally the probability of choosing cushion A P(a) is mathematically given by

$P(a)=\frac{28}{38}$

$P(a)=0.73$

Generally the equation for A to be twice as popular as B is mathematically given by

$P(b)+2P(b)=3P$

Therefore Hypothesis

$Null H_0: p \leq \frac{2P}{3P} \\Altenative H_A:p>\frac{2P}{3P}$

Generally the equation normal approx of p value is mathematically given by

$z=\frac{x-np_0-0.5}{\sqrt{np_0(1-p_0)} }$

$z=\frac{28-(38*2/3)_0-0.5}{\sqrt{38*2/3*1/3} }$

$z=0.75$

Therefore from distribution table

$Pvalue=1-\theta (0.75)$

$Pvalue=0.227$

Therefore there is no sufficient evidence to disagree with the Null hypothesis $H_0$

Therefore the statement that cushion A is twice as popular as cushion B cannot be verified

7 0

2 years ago

Select the proper inverse operation to check the answer to 14 + 17 = 31.

vivado [14]

The correct answer ids 100% answer choice D

4 0

2 years ago

What is 3/25*2/13 ? A 5 2/15 B 6 2/15 C 7 14/15 D 8 1/15

Margaret [11]

divide bro idk lol umm..

4 0

2 years ago

Read 2 more answers

The interior angle of a regular polygon is 4 times as large as the exterior angle.

Mrac [35]

Answer:

exterior angle = 36°

Step-by-step explanation:

In any polygon

exterior angle + interior angle = 180°

let x be the exterior angle then interior angle is 4x , then

x + 4x = 180

5x = 180 ( divide both sides by 5 )

x = 36

thus exterior angle = 36°

5 0

1 year ago

Which of the following is equivalent to 60 1/2

kotykmax [81]

Answer:

30 or 120 /4

Step-by-step explanation:

a^p/q here p denotes power raised and q denotes inverse power or root. So, 60^1/2 denotes square root of 60 raised to power 1.

3 0

1 year ago