3 years ago

Helpp.. pretty pleasee

1 answer:

Klio2033 [76]3 years ago

8 0

The answer to your question is he first one because you have to put it in a ratio of the smaller triangle then the bigger triangle hope this helps;)

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Courtney biked 8 laps around a park. The app on her phone showed she biked 11.12 miles. What is the constant of proportionality

Ad libitum [116K]

Answer:

1.39/1

Step-by-step explanation:

the answer can be explained by dividing the distance covered by thebiker to the number of laps covered by the same. This gives us the ratio of distance per unti lap for the biker.

11.12 miles divided by 8 gives us= 1.39

7 0

4 years ago

The function y=2.5x+3 can be used to determine the cost in dollars for a taxi ride of x miles. What is the rate of change of the

notsponge [240]

Answer:

C. $2.50

Step-by-step explanation:

x=1 y=5.5

x=2 y=2.5

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3 years ago

Suppose that in a random selection of 100 colored candies, 26% of them are blue. The candy company claims that the percentage

quester [9]

Answer: a) -0.2252, b) 0.8219

Step-by-step explanation:

Since we have given that

Sample size n = 100

Probability that candies are blue = p= 0.26

Probability that company claims that it is blue candy = P = 0.27

So, Q = 1-P= 1-0.27 = 0.73

So, Null hypothesis : $H_0:p=P$

Alternate hypothesis : $H_1:p\neq P$

So, the test statistic would be

$z=\dfrac{p-P}{\sqrt{\dfrac{P.Q}{n}}}\\\\z=\dfrac{0.26-0.27}{\sqrt{\dfrac{0.27\times 0.73}{100}}}\\\\z=-0.2252$

Since α = 0.05

So, critical value of z = 1.96

p-value = P(Z>Z(calculated)

Using the excel function , we get that

$P(z>0.2252)\\\\=2\times 0.410.911845\\\\=0.8219$

Hence, a) -0.2252, b) 0.8219

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3 years ago

Which expression has a value of 15 whenP equals 12

AURORKA [14]

Answer:p+3

Step-by-step explanation:

12+3=15

Therefore the expression =p+3

6 0

3 years ago

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Three concert tickets cost $120. At this rate, what is the cost per ticket?

lora16 [44]

Answer: The answer is $40 per ticket.

Step-by-step explanation: Divide 120 by 3 to get 40. Hope this helps!

4 0

3 years ago

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