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Artyom0805 [142]
3 years ago
6

Which representation does NOT represent y as a function of x?

Mathematics
2 answers:
siniylev [52]3 years ago
7 0
<h3>Answer: Choice C</h3>

Why isn't choice C a function? It's because we have the input x = 4 lead to more than one output at the same time (y = 5 and y = -5). A function must have all allowed inputs lead to exactly one output.

The diagram for choice C shows we have the points (4,5) and (4,-5). If we plotted those two points, then a vertical line forms, which will show this relation fails the vertical line test.

Choices A, B, and D do not have this happen where a certain input leads to multiple outputs at once; therefore, these are all functions. For the tables A and D, note there aren't any repeated x values. If you were to convert choice C into table form, then you would have the x value 4 repeat itself.

irina [24]3 years ago
3 0
Why isn’t c a function well the reason is because I live in the same house as my mom
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A rectangle has an area of 216.24 cm2 and a height of 15.9 cm. How long is the base of the rectangle ?
Helga [31]
The formula for the area of a rectangle is A = bh.
Substitute 216.24 for A (area) and 15.9 for h (height).

A = bh
216.24 = b(15.9)
÷ 15.9      ÷ 15.9            Divide 15.9 on both sides.
13.6 = b

So, the base of the rectangle is 13.6 cm.
5 0
3 years ago
Please solve thisss​
lidiya [134]

Answer:

1,570

Step-by-step explanation:

10×2=20

20×3=60

30×5=150

40×7=280

50×4=250

60×3=180

70×8=630

Now,

20+60+150+ 280 +250+ 280+ 630=1,570

this is the answer

4 0
3 years ago
Read 2 more answers
How many servings of popcorn are in 5 1/2 cups of each person receives 3/4 cup of popcorn?
Reil [10]

Answer:

7.3333, so if you round down, 7.

Step-by-step explanation:

5 1/2 divided by 3/4 is 7.3333

6 0
3 years ago
What is the value of y?​
matrenka [14]

Answer:

63 degrees

Step-by-step explanation:

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Tara is the editor of the school newspaper. She tries to devote about 1/2 of the paper to news, 1/3 to pictures, and the remaind
Klio2033 [76]
5/6 of the paper is devoted to news and pictures

first I made the fraction have equal denominators which was 6 by doing that I multiplyed the numerator and the denominator

1/2
1×3=3
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therefore 1/2 being equivalent to 3/6


1/3
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therefore 1/3 being equivalent to 2/6

now you would be able to add the numerators, so 2+3=5
therefore being 5/6 of the paper is devoted to news and pictures
4 0
3 years ago
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