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never [62]
3 years ago
12

WILL GIVE BRAINLIEST !!!

Mathematics
2 answers:
Semmy [17]3 years ago
8 0

Answer:

#7 is 8

Step-by-step explanation:

8x7 56.

ANEK [815]3 years ago
4 0

Answer:

Wwwwwwwwwwww

Step-by-step explanation:

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A survey of all beings on the planet mimstoon found that 10 beings preferred lirt juice to all other juices If 25 beings are sur
kherson [118]

Answer:

The percentage of the surveyed that preferred Lirt juice is 40%

Step-by-step explanation:

In this question, we are asked to calculate the percentage of beings that preferred Lirt juice

Let’s look at the survey presented in the question. 10 beings preferred out of a total of 25

The percentage that preferred Lirt juice will thus be;

10/25 * 100%

= 10 * 4 = 40%

4 0
3 years ago
Cynthia ran 4 laps in 40 minutes. Which ratio represents the number of laps ran to minutes?
poizon [28]
4:40 simplifies into 1:10
4 0
3 years ago
jason mixed 8ml of a salt solution with 11ml of a 47% salt solution to make a 43%salt solution. find the percent salt concentrat
choli [55]

Let x% be the salt concentration of first solution.

Then in 8ml, amount of salt = \frac{8x}{100}

Given that to this 8ml solution, 11ml solution of a 47% salt solution is mixed.

amount of salt in 11ml of 47% salt solution is \frac{11*47}{100} = \frac{517}{100}

So, total amount of salt in new mixture = \frac{8x}{100} +\frac{517}{100} = \frac{8x+517}{100}

But given that this new solution is a 43% salt solution.

Hence amount of salt in new mixture of (8+11)=19ml solution of 43% salt solution is \frac{19*43}{100} = \frac{817}{100}

Hence \frac{8x+517}{100} = \frac{817}{100}

            8x+517 = 817

             8x=817-517 = 300

          x= 300/8 = 37.5

Hence the salt concentration in the first solution is 37.5%

8 0
3 years ago
Max and Emma are discussing their math homework and disagree on the answer for one question. Max says that integers are closed u
hram777 [196]

A set has closure under an operation if performance of that operation on members of the set always produces a member of the same set; in this case we also say that the set is closed under the operation.

A closure property is a certain rule that holds <u>if it is true for all elements of a set under the given operation</u> and a closure property does not hold <u>if there is at least one pair of elements that do not follow the closure property under the given operation.</u>

Therefore, Emma is correct, because you can find a counterexample (7:2=3.5) that gives you a non-integer answer.

Answer: correct option is B

4 0
3 years ago
What is the GCF for <br> 51, 85<br> and then<br> 40, 63
Alinara [238K]

Answer: 1

Step-by-step explanation:

5 0
3 years ago
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