MATHEMATICS MIDDLE SCHOOL

What are the domain and range of the function {(2,0), (4, - 2), (8, -2), (1, 6), (-5, 0)}?

Answers

Answer 1

Answer:

Answer:

domain: {2,4,8,1,-5}

range: {0,-2,6}

Step-by-step explanation:

the domain is the x-values in the ordered pair while the range is the y-values.

hope this helped!!

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3/4 -3/8 in simplest form?

Answers

3/4 and 3/8 have to have equal denominators, so multiply 3/4 by 2/2 because it's equal to one, so it doesn't change the value of the fraction, but it makes the denominator (the number on the bottom) bigger.
3/4 x 2/2 = 6/8
Now subtract.
6/8 - 3/8 = 3/8
Don't subtract the denominators.
3/8 can't be simplified.

3/4-3/8 can be simplified as 3/8.

Since 3/4 and 3/8 must have denominators that are equal, multiplying 3/4 by 2/2, which is equal to 1, increases the denominator (the number at the bottom), without changing the value of the fraction.

3/4 x 2/2 = 6/8

Subtract now.

6/8 - 3/8 = 3/8

Since 3/8 can not be simplified.

Therefore, 3/8 is the simplest form of 3/4 -3/8.

Learn more about Mathematical operations here:

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The vertices of a trapezoid are shown below. P(0, 0), Q(2, 0), R(2, 7), S(0, 14) This trapezoid is dilated about the origin by a scale factor of 4. What is the location of point S'? (4, 18) (4, 56) (0, 18) (0, 56)

Answers

(0,56)
0 x 4 = 0
14 x 4 = 56

hope this helps :)

To the nearest hundredth, what is the distance between point (-6, -1) and point (4, 3)?

Answers

The distance between point (-6, -1) and point (4, 3) is 10.77.

Answer:

10.77

Step-by-step explanation:

Solve for x.31 = 3x - 14. Simplify as much as possible. THanks =) :)

Answers

Answer:

x = 15

Step-by-step explanation:

Given in the question an equation

31 = 3x - 14

Solution

rearrange the constant to the right of equation

3x = 14 + 31

3x = 45

divide 3 on both sides of the equation

3x/3 = 45/3

x = 15

Answer:

x=15

Step-by-step explanation:

The given equation is;

31=3x-14

Group similar terms:

31+14=3x

Combine the left hand side to obtain;

45=3x

Divide both sides by 3 to get;

$x=(45)/(3)$

x=15

Please help me When buying a new car, you have a choice of 4 different models, 3 different colors, and either compact or family size. How many choices are there for one car?
5
12
16
24

17. There are 20 entries in the chess tournament. How many ways can they finish in first, second, and third place? 340
6,840
7,220
8,350

Answers

$1)\n4\ different\ models,\ 3\ different\ colors\ and\ 2\ sizes\n\n4\cdot3\cdot2=24\ (choices)\n\n17.\n20\ entries\ in\ the\ chess\ tournam.\n\n20-the\ number\ of\ ways\ to\ select\ 1.\ places\n19-the\ number\ of\ ways\ to\ select\ 2.\ places\n18-the\ number\ of\ ways\ to\ select\ 3.\ places\n\n\ the\ number\ of\ ways\ to\ select\ the\ top\ three=20\cdot19\cdot18=6,840$