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sineoko [7]
2 years ago
9

Which equation represents the line passing through points A and C on the graph below?

Mathematics
1 answer:
romanna [79]2 years ago
5 0
The answer is y= x+1
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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
3 years ago
Given the points (9,9) and (-6, -10) find the slope.<br><br> m =
Ivanshal [37]

1. Observe question

2. Employ Point-Slope formula

(y2 - y1)/(x2 - x1 )=

(-10-9)/(-6-9) =

-19/-15=

19/15

Slope: 19/15

5 0
2 years ago
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1) Twice a number decreased by four is 32.<br> What is the number?
jeyben [28]

Answer:

6

Step-by-step explanation:

7 0
3 years ago
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What is 78.867 ÷0.9 ANSWER FAST!!
xeze [42]

Answer:87.63

Step-by-step explanation:

4 0
2 years ago
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An item is regularly priced at $60. It is now priced at a discount of 85% off the regular price. What is the price now?
Step2247 [10]

Answer:

\frac{85}{100}  \times 60 \\51 \\ 60 - 51 \\ 9

7 0
3 years ago
Read 2 more answers
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