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dolphi86 [110]
3 years ago
8

3 1/4 + 1 + 2 1/2 what is the answer?

Mathematics
2 answers:
Colt1911 [192]3 years ago
6 0

Answer:

6 3/4

Step-by-step explanation:

aev [14]3 years ago
4 0

Step-by-step explanation:

3 1/4 = 13/4

1 = 4/4

2 1/2 = 2 2/4 = 10/4

13/4 + 4/4 + 10/4 = 27/4

27/4 = 6 3/4

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Would i solve this doing 14+5 or 14-5 to get the missing length?
nataly862011 [7]

Answer:

The answer to your question is 10 ft

Step-by-step explanation:

We can observe that all the sides have a length but the first to the left.

Also, we know the corners meet at right triangles, so to calculate the length of the missing side, we must add to sides.

But these sides must be the ones that are in front of it (6 ft and 4 ft)

Then    ? = 6 + 4

               10 ft

3 0
3 years ago
Calculate 58^2-42^2 ??
sladkih [1.3K]

Answer:

1600

Step-by-step explanation:

As you can see, this is a difference of squares. We can plug it into our differences of squares formula to get the answer:

(a+b)(a-b)

(58+42)(58-42)

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= 1600

Hope you learned something!

6 0
3 years ago
Read 2 more answers
The mass of substances left in a sample
professor190 [17]

This question tests one's knowledge of states of matter. Kim would have to classify the water as gaseous matter in this case.

<h3>Why should Kim classify the water as gaseous?</h3>

Remember, she boiled all the liquid away. Hence in their evaporated state, the water now assumes a gaseous form.

Matter can exist in various states. They are:

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Learn more about states of matter at:
brainly.com/question/16982523

6 0
2 years ago
A researcher wants to know how professional athletes in her city feel about safety measures. She obtains a list of 952 professio
mojhsa [17]

Answer:

For this case the population represent all the professional athletes in the researcher city and we can assume that the sample size for tis population is N =982 and represent all the individuals of interest for the study and the parameter of interest is the proportion of athletes who believe that the enforcement of safety measures needs to be completely overhauled p.

In order to estimate te parameters of the population the researcher select a sample of 400 professional athletes and just 86 of them returns the questionnaire sent. So then the real sample is the n =86 people who return the info, because the other people are part of the non response rate, and from this sample she found that the proportion of athletes who believe that the enforcement of safety measures needs to be completely overhauled is \hat p=0.76.

Step-by-step explanation:

For this case the population represent all the professional athletes in the researcher city and we can assume that the sample size for tis population is N =982 and represent all the individuals of interest for the study and the parameter of interest is the proportion of athletes who believe that the enforcement of safety measures needs to be completely overhauled p.

In order to estimate te parameters of the population the researcher select a sample of 400 professional athletes and just 86 of them returns the questionnaire sent. So then the real sample is the n =86 people who return the info, because the other people are part of the non response rate, and from this sample she found that the proportion of athletes who believe that the enforcement of safety measures needs to be completely overhauled is \hat p=0.76.

6 0
3 years ago
(3x + 3) (2x − 2)<br> Please help me
kupik [55]
The answer is 6(x^2 -1) I have provided a picture with my work and the answer

8 0
3 years ago
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