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2 years ago

Brainliest to first right, along with 5 stars, and a thanks, lol:)

Mathematics

2 answers:

vlada-n [284]2 years ago

4 0

Answer:

Step-by-step explanation:

NeTakaya2 years ago

4 0

The answer is A I think I’m not to sure

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Charlie wants a new pair of shoes that cost $40. His mom pays 75% of the cost and charlie pays 25%. How much do they each pay?

trasher [3.6K]

In order to find out how much they both each pay, you would have to put two places in front of the percentage of the payment.

7 0

2 years ago

Share £405 in the ratio 4:11

Advocard [28]

I think the answer to your question is 15 hope this helps

6 0

2 years ago

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

3 0

2 years ago

Math 7 Grade 7

sdas [7]

A and D are Experimental
B and C are Theoretical

Experimental has a specific number of trials like the 11 flips or the classroom of students
Theoretical is based on what is ONLY there like C 3 numbers in a 6 sided die are even 3/6 = .5 = 50%

6 0

2 years ago

Select the correct answer.

egoroff_w [7]

Answer:

Step-by-step explanation:

I've taken a picture of the way I solved it.

8 0

3 years ago