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3 years ago

How can you determine if a relation represented as a set of ordered pairs

Mathematics

1 answer:

ddd [48]3 years ago

7 0

Answer:

Hey there!

Using the vertical line test. In a function, one x value only has at most one y value.

Let me know if this helps :)

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A group of 150 middle school students were asked whether they prefer playing video games or watching TV in their spare time.

nalin [4]

A= 44%
B= 42%

You add 26 and 40 to get 66 and divide by 150. you get .44. Multiply this by 100 and get 44% for A.

You add 40 and 23 to get 63 and divide by 150 again. you get .42. Multiply this by 100 and get 42% for B.

7 0

3 years ago

5. Is the sequence arithmetic? If so, identify the common difference.

HACTEHA [7]

5.
aritmetic is same increase per term
14 to 21 is 7
21 to 42 is 21
7≠21
no

6.
decreases by 4 each time
an=a1+d(n-1)
an=10-4(n-1)
n=12 for 12th term
a12=10-4(12-1)
a12=10-4(11)
a12=10-44
a12=-34

it is -34

7.
missing term is y
22+n=y
y+n=34
22+n+n=34
22+2n=34
minus 22 from both sides
2n=12
divide both sides by 2
n=6
22+n=y
22+6=y
28=y

28 is answer

5. no
6. -34
7. 28

6 0

4 years ago

Read 2 more answers

A triangular field has boundaries of length 170 m, 195 m and 210 m. Find the size of the largest interior angle of the field.

lesya692 [45]

Answer:

210 m

Step-by-step explanation:

the largest interior angle will be the front of largest side of triangle

4 0

3 years ago

A collection of dimes and nickels is worth $3.30. If there are 42 coins in all, how many nickels are there?

Semmy [17]

Answer:

Step-by-step explanation:

5 0

3 years ago

Factor completely 625x8 − 1. (25x4 − 1)(25x4 1) (5x2 − 1)(5x2 1)(25x4 − 1) (5x2 − 1)(5x2 1)(5x2 1)(5x2 1) (5x2 − 1)(5x2 1)(25x4

GREYUIT [131]

The complete factor of the polynomial 625x⁸ − 1 is (25x⁴ + 1)(25x⁴ − 1). Then the correct option is A.

<h3>What is polynomial?</h3>

Polynomial is an algebraic expression that consists of variables and coefficients. Variable are called unknown. We can apply arithmetic operations such as addition, subtraction, etc. But not divisible by variable.

Factor completely 625x⁸ − 1.

We know that

$\rm a^2 - b^2 = (a+b)(a-b)$

(25x⁴)² − 1²

(25x⁴ + 1)(25x⁴ − 1)

The complete factor of the polynomial 625x⁸ − 1 is (25x⁴ + 1)(25x⁴ − 1). Then the correct option is A.

More about the polynomial link is given below.

brainly.com/question/17822016

4 0

2 years ago