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geniusboy [140]
3 years ago
13

The price of pears can be determined by the equation P=0.65n, where P is the price and n is the number of pears. What is the con

stant of proportionality (unit rate)?
Mathematics
1 answer:
mrs_skeptik [129]3 years ago
6 0

Answer:

0.65

Step-by-step explanation:

Given equation:

P = 0.65n

where,

P = price

n = number of pears

What is the constant of proportionality?

The constant of proportionality is 0.65

For example

Find P when n = 2

P = 0.65n

= 0.65(2)

P = 1.3

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Answer:

μ > 21.21

Test statistic = 1.217

Kindly check explanation for more details

Step-by-step explanation:

The null hypothesis, H0 : μ = 21.21

Alternative hypothesis, H1 : μ > 21.21

The test statistic :

(xbar - μ) ÷ (s/sqrt(n))

(21.212 - 21.21) ÷ (0.01 / √2)

= 1.217

The critical value :

From the t distribution :, one tailed = 2.434

Decision region :

Reject H0 if test statistic > critical value

1.217 < 2.434 ; We fail to reject the null ` ; and conclude that there is not enough evidence to support the claim.

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Answer:

The period of the graph of the traffic flow at 1st Ave and High St is half as long as the period of the graph of the traffic flow at 2nd Ave and Central.

Step-by-step explanation:

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For the following system if you isolated X in the second equation to use the substitution method what expression would you subst
Anestetic [448]

Option A. зу + 12 is the right answer

Step-by-step explanation:

The substitution method consists of finding the value of a variable from one equation and then putting it into another equation to find the value of other variable.

Given equations are:

2x+y=8\\-x-3y=-12

We have to isolate x in the 2nd equation

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Multiplying equation by -1

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Hence,

Option A. зу + 12 is the right answer

Keywords: linear equations, Variables

Learn more about linear equations at:

  • brainly.com/question/11280112
  • brainly.com/question/11286417

#LearnwithBrainly

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