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ki77a [65]
2 years ago
12

Brooke multiplied 3 and 9 and got 17. Brooke knows her answer is wrong because she knows is should be approximately

Mathematics
1 answer:
34kurt2 years ago
8 0

Answer: 3 times 9 is 27

Step-by-step explanation:

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If you go out to eat with friends and your meal was $ 72.50 , there is 6.75 % sales tax and you should tip the waiter 15 % . How
Ugo [173]

Answer:

divide this amount ($88.26875) by the number of people

Step-by-step explanation:

6.75% of $72.50 is 4.89375

15% of $72.50 is 10.875

72.50 + 4.89375 + 10.875 = 88.26875

divide this amount (88.26875) by the number of people

7 0
3 years ago
Assume that random guesses are made for eight multiple choice questions on an SAT test, so that there are n= 8 trials, each with
alina1380 [7]

Answer:

0.80589

Step-by-step explanation:

So all of the numbers of correct answers less than 4 are 0,1,2,3

We need to calculate the probability for each separately and then add them together.

To find the probability we have to first find the combination. We know that there’s n=8 trials and that p=0.3. So 1-0.3 gives us 0.7.

The combination formula is: ! / (!(−)!)

So the n would always =8, and the r would be 0,1,2,3. So you would have to calculate it for 0,1,2,3 Separately. This can be done by hand or you can use a simple combinations calculator online.

For 0;

The combination is 1,

1 x 0.3^0 x 0.7^8-0 =

0.057648

For 1;

The combination is 8,

8 x 0.3^1 x 0.7^8-1 =

0.19765

For 2;

The combination is 28

28 x 0.3^2 x 0.7^8-2 =

0.296475

For 3;

The combination is 56

56 x 0.3^3 x 0.7^8-3 =

0.254122

All that’s left is to add these four numbers;

0.057647 + 0.19765 + 0.296475 + 0.254122 = 0.80589

4 0
3 years ago
A fair number cube is rolled. What are the odds in favor of rolling a 3?
mr_godi [17]
If theres 6 sides (like as dice) then its 1 in a 6 chance you'll get a 3 :) 1% chance you'll get a three with a six sided dice. 
8 0
3 years ago
Subtract. 3- (-5) - (-2) Plot the solution on the number line.​
Whitepunk [10]

Answer:

10. put a dot on the number 10

Step-by-step explanation:

3-(-5)-(-2)

when subtracting negatives, you actually end up adding

so

3+5+2=10

3 0
3 years ago
Read 2 more answers
What is the correct answer for the problem 3.12 x 4.0
ch4aika [34]

Hi Brielle the correct answer to your question is 3.12 x 4.0 = 12.48

7 0
2 years ago
Read 2 more answers
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