MATHEMATICS MIDDLE SCHOOL

Which set of ordered pairs represents a function? a {(0, 1), (1, 3), (1, 5), (2, 8)}
b {(0, 0), (1, 2), (2, 6), (2, 8)}
c {(0, 0), (0, 2), (2, 0), (2, 4)}
d {(0, 2), (1, 4), (2, 6), (3, 6)}

Answers

Answer 1
Answer: The answer is D because none of the x-values are repeating which makes it a function.
Answer 2
Answer:

Answer:

It is D. because no numbers repeat on the x-value which makes it okay.

Correct me if I am wrong

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Number 6 please! Thanks so much for your help!

Answers

3.2
the first rectangles perimeter can be expressed as 4n+1.2 and the second as 6n+0.2

we know that the perimeters are the same so
4n+1.2=6n+0.2
2n+0.2=1.2
2n=1
n=0.5

now to figure out the perimeter we take one of the expressions (im using the first one)
so 4n=2 +1.2=3.2

hope this helps :)

Estimate the sum of 502 and 47 by rounding both values to the nearest ten. What is the best estimate of the sum?

Answers

Nearest tenth of 502 is = 500
Nearest tenth of 47 = 50

So, the sum is = 500 + 50 = 550

In short, Your Answer would be 550

Hope this helps!
 my best estimate would be 550

The arc corresponding to a central angle of 125 degrees in a circle of radius 10 feet measures _____ feet. Round your answer to two decimal places.

Answers

Answer:

21.82\ ft

Step-by-step explanation:

we know that

The circumference of a complete circle is equal to

C=2\pi r

In this problem we have

r=10\ ft

substitute

C=2\pi (10)=20 \pi\ ft

Remember that

An angle of 360\° subtends the arc length of a complete circle

so

by proportion

Find the arc length for an angle of 125\°

(20 \pi)/(360)(feet)/(degrees)=(x)/(125)(feet)/(degrees)\n \nx=125*(20\pi )/360\n \nx=21.82\ ft
(Angle)/(360) x 2 \pi r

(125)/(360) x 2 \pi (10) = 21.82

Answer: The Arc measures 21.82 feet

What percent of 126 is 22?

Answers

17.46% of 126 is 22

Divide 22 by 126:
22 / 126 = 0.1746

Change the decimal into a percentage by multiplying the decimal by 100:
0.1746 * 100 = 17.46

The percentage of 22 out of 126 will be 17.46%.

The amount of any product is given as though it was a proportion of a hundred. The ratio can be expressed as a quarter of 100. The phrase % translates to one hundred percent. It is symbolized by the character '%'.

The percentage of 22 out of 126 is calculated as,

P = (22 / 126) x 100

P = 0.1746 x 100

P = 17.46%

More about the percentage link is given below.

brainly.com/question/8011401

#SPJ6

How is the process of dividing integers similar to the process of multiplying integers

Answers

integers are negative and poitive numbers you can multipy and divide poitive numbers but you can't divide negative numbers because you can't have negitve divded by a other number

How do I solve this??

Answers

Answer:

r = -1/2

Step-by-step explanation:

3(5 + 4r) = -18r

15 +12r = -18r by distributive property

15 = -12r - 18r

15 = -30r

r = - 1/2r

Answer: Isolate the variable by dividing each side by factors that don't contain the variable.

Exact Form:

r=−411

Decimal Form:

r=−0.¯¯¯¯36

Hope this helps from yours truly Baby yoda ;)
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