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marin [14]
3 years ago
11

I need help! please!!!!!!!!

Mathematics
1 answer:
anygoal [31]3 years ago
5 0

Step-by-step explanation:

3x4=12

3.14

12-3.14

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Mary had five and one-half dollars. She spent tw wo and one-fourth dollars on a snack. How much money does Mary have left?
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5/1-1/4=4/3 i thinkkkkkkkkkk so
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Write and solve a proportion to answer the question.
Reptile [31]

Answer:

48

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I hope this makes sense

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As a small step to save the environment, Luna came up with an idea for her sweet shop. In exchange for five eclaire boxes, that
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Step-by-step explanation:

From the question, we can infer from the information given that:

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3 years ago
(6 x 10^2) divide (3 x 10^-5)
Hunter-Best [27]

Answer:

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Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Brayden tosses a coin 500 times. Of those 500 times, he observes heads a total of 416 times. Calculations show that the probabil
elena-14-01-66 [18.8K]

Answer: The probability of this ocurring by chance is less than 0.01.

The meaning of the significance level is that it tells that there is difference of 1% level when there is no actual difference.

Step-by-step explanation:

Since we have given that

Number of times a coin tossed = 500

Number of times head occurs = 416

So, our Z-score would be

Z_\alpha =\dfrac{416}{500}=0.832

So, At significance level of 0.01, p-value of Z-score is .202704.

and p-value < 0.01, i.e. 0.202704<0.832.

Hence, the probability of this ocurring by chance is less than 0.01.

The meaning of the significance level is that it tells that there is difference of 1% level when there is no actual difference.

7 0
3 years ago
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