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Jlenok [28]
3 years ago
15

Y = {(2,6), (3, 1, 4), (1). (5, 6)} Is y a function and why?

Mathematics
1 answer:
Keith_Richards [23]3 years ago
6 0

Answer:

D. No, the elements of the set of y are not all ordered pairs.

Step-by-step explanation:

Answer A. looks plausible: There are a few ordered pairs in this list, but that is not good enough.

All elements of the set should be ordered pairs and that is not the case. So answer D is correct.

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Delicious77 [7]
What do you not understand
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3 years ago
7 1/4 % as a decimal
Mila [183]
7 1/4% equals 7.25% and there is your answer.
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frank is going to plant b vegetable seeds in one garden and 4b + 7 vegetable seeds in another. How many seeds is Frank going to​
Kruka [31]

4b + 7 + b

5b + 7 is the simplest version.

3 0
3 years ago
Use this expression to name each item. 7m3 + 6r2 – 3r - 8
Vitek1552 [10]

Answer:

In the given expression 7m^3 + 6r^2 - 3r - 8

Variables = m, r

Coefficients = 7, 6 and -3

constant= -8

Step-by-step explanation:

We are given the expression 7m^3 + 6r^2 - 3r - 8

We need to give variable, coefficients and constant.

Variable: The value of variable may change. It can be represented by x, y or any other letter

Coefficients: A numerical or constant quality that is placed with the variable. For example in 4x, 4 is coefficient

Constant: It is fixed value. It cannot be changed.

So, in the given expression 7m^3 + 6r^2 - 3r - 8

Variables = m, r

Coefficients = 7, 6 and -3

constant= -8

4 0
3 years ago
A museum opened at 9:00 a.m. In the first hour, 350 people purchased admission tickets. In the second hour, 20% more people purc
Furkat [3]

Answer:

13,475

Step-by-step explanation:

First hour

350 people at $17.50 per ticket

350* $17.50 =$6125

Second hour

We add 20% more

350+350*.20 =350+70 =420

There were 420 people at $17.50

420*$17.50 =$7350

Add the total for the 2 hours

6125+7350=13,475

3 0
3 years ago
Read 2 more answers
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