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Molodets [167]
3 years ago
11

Which of the following sets of ordered pairs represents a function

Mathematics
1 answer:
IgorC [24]3 years ago
3 0

Answer:

D is the correct answer.

Step-by-step explanation:

When given points, one way to tell if it is a function is to see if the x-coordinate changes.  If all the x-coordinates are different, then it is a function.  If there is a group of x-coordinates that are the same, then you need to check the y-coordinate.  If the y-coordinate is the same with the same x-coordinate, then it is still a function [Example: (12, 15), (12, 15) is a function, but (12, 15), (12, 18) is not)

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Cedar Point amusement park has some of the tallest roller coasters in the United States. The Mantis is 165 feet shorter than the
grandymaker [24]

Answer:

145 ft

Step-by-step explanation:

According to Cedar Pt web site, the height of the Millennium Force=310'

the Mantis is 165 feet shorter than the Millennium Force

the height of the Mantis=310-165=145'

here ' means feet

8 0
3 years ago
Julie spends $ 5.62 at the store. Micah spends 5 times as much as Julie. Jeremy spends $6.72 more than Micah . How much does eac
Varvara68 [4.7K]

Answer:

Julie = $5.62           Micah = $28.10          Jeremy = $34.82

Step-by-step explanation:

5.62 * 5 = 28.1

28.1+6.72=34.82

4 0
3 years ago
Read 2 more answers
Please help me out with this
Anettt [7]

Answer:

81.75 ft²

Step-by-step explanation:

The area (A) of a trapezoid is calculated using the formula

A = \frac{1}{2} h (a + b)

where a, b are the parallel bases and h is the perpendicular height

Calculate h using the right triangle and the sine ratio

sin30° = \frac{opposite }{hypotenuse} = \frac{h}{10}

Multiply both sides by 10

10 × sin30° = h, thus

h = 5

a = 12 and b = 8.7 + 12 = 20.7, hence

A = \frac{1}{2} × 5 × (12 + 20.7)

   = 0.5 × 5 ×32.7

   = 81.75 ft²

7 0
3 years ago
A computer store recieves 351 visitors in 9 days. At what rate does the computer store recieve visitors?
zimovet [89]

Answer:

351 divided by 9 = 39 so 39 visitors every day

6 0
3 years ago
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Given the quadratic equation ax²-5b+4a=0, where a and b are constants has two real an equal roots,find a:b​
sergiy2304 [10]

Answer:

Therefore either a:b = 5:4 or a:b=-5:4

Step-by-step explanation:

ax²-5bx+4a=0

Since the quadratic equation has two real root.

Then b²-4ac>0

Here a= a , b= -5b and c=4a

∴(-5b)²-4.a.4a=0

⇔25b²=16a²

⇔5b=±4a

\Leftrightarrow \frac{a}{b} =\pm\frac{5}{4}

Therefore either a:b = 5:4 or a:b=-5:4

5 0
3 years ago
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