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3 years ago

two weeks ago i bought 2 cupcakes last week i bought 7 today id like to follow this pattern how many cupcakes do i want

Mathematics

2 answers:

Sergio039 [100]3 years ago

8 0

2+5=7
7+5=12

The answer would be 12

monitta3 years ago

5 0

Answer:

Step-by-step explanation:

2+5=7

7+5=12

Pattern of +5

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Create an equivalent ratio to 5:2 by multiplying both sides by 2. What is the equivalent ratio?

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2 years ago

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sesenic [268]

Answer:

D. 56.3 cubic units

Step-by-step explanation:

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2 years ago

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Doing research for insurance rates, it is found that those aged 30 to 49 drive an average of 38.7 miles per day with a standard

Alja [10]

Answer: 0.4302

Step-by-step explanation:

Given : Mean : $\mu=\text{38.7 miles }$

Standard deviation : $\sigma=\text{6.7 miles }$

Sample size : $n=60$

Also, these distances are normally distributed.

Then , the formula to calculate the z-score is given by :-

$z=\dfrac{x-\mu}{\sigma}$

For x=32.5

$\\\\ z=\dfrac{32.5-38.7}{6.7}=-0.925373134\approx-0.93$

For x=40.5

$\\\\ z=\dfrac{40.5-38.7}{6.7}=0.268656\approx0.27$

The p-value = $P(-0.93$

$=P(0.27)-P(-0.93)=0.6064198- 0.1761855=0.4302343\approx0.4302$

Hence, the required probability :-0.4302

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3 years ago