3 years ago

What is a relation and what makes it different from a function?

1 answer:

8 0

A relation from a set X to a set Y is called a function if each element of X is related to exactly one element in Y. That is, given an element x in X, there is only one element in Y that x isrelated to. For example, consider thefollowing sets X and Y.

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the ratio of high school students who were homeschooled to those who attended other schools was three to seven. if there were 90

lina2011 [118]

Answer:

210 high schoolers as ratio becomes 90:210

Step-by-step explanation:

we can see that 3:7 can be multiplied if 3 x 3 = 9 then 7 x 3 =21 we just add the zero and find a 90:210 ratio

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3 years ago

Write a decimal where the value of a digit is one tenth as much as a digit in another place

GenaCL600 [577]

1.2 could be your answer

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3 years ago

What is the slope of the line?

Hunter-Best [27]

Answer:

<h3>☘ QUESTION☘</h3>

What is the slope of the line?

-3x+5y=2x+3y

<h3>☘ ANSWER☘</h3>

-3x+5y=2x+3y → 2y = 5x → y = (5/2)x.

There are infinitely many ordered pairs that satisfy -3x+5y=2x+3y.

<h3>Answer: C.5/2</h3>

Step-by-step explanation:

✨ BRAINLY FAST ✨

✨BY#NICHOLE✨

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2 years ago

How many pounds of iron are produced from 4,200 pounds of iron ore if the ratio of iron ore is 5/21

Ghella [55]

1,000. 4,200 / 21 = 200. 5 * 200 = 1,000

4 0

3 years ago

How many Children attended the classroom if there were 11 girls who made up 44% of the children?

WITCHER [35]

Answer:

Step-by-step explanation:

If 11 equals 44%, then x equals 100%.

x = $\frac{100}{44}$ * 11

11 * 100 = 1100

1100/44 = 25

So, your answer is 25.

3 0

3 years ago

Read 2 more answers