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Bingel [31]
3 years ago
8

Which of these equations represent functions? Check all that apply. A. 3x2 - y2 = 1 B. y = 6x C. y = x2 - 2 D. y2 = x2

Mathematics
2 answers:
Zielflug [23.3K]3 years ago
6 0

Answer:

a and d

Step-by-step explanation:

lara [203]3 years ago
4 0
I'm pretty sure the answer is
<span>B. y = 6x
C. y = x2 - 2</span>
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Pls solve for x hurry !
wariber [46]

Answer:

7

Step-by-step explanation:

7x + 68 = 2x + 103

Subtract 2x from each side

5x + 68 = 103

Subtract 68 from each side

5x = 35

divide 5 from 35 and you get X = 7

6 0
3 years ago
PLEASE HELP ME I DONT UNDERSTAND.
Bingel [31]

width = 7cm

Length= 41cm

width=x

length=3x+20

96=3x+20+3x+20+x+x

96=8x+40

56=8x

x=8


5 0
3 years ago
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A triangle has an area of 38.4 cm2. The
lisov135 [29]

Answer:

6cm

Step-by-step explanation:

A = \frac{h_b b}{2}

38.4 = \frac{12.8_b b}{2}

b = 2\frac{A}{h_b}

b = 2\frac{38.4}{12.8} = 6

8 0
3 years ago
Twice a year, for all four years of college, you used your credit card to pay for books and supplies, which amounts to $516 a se
mixer [17]

Answer:

$11,728

Step-by-step explanation:

Twice a year, for 4 years is 8 times

516×8 = 4128

Yearly for 4 years is 4 times

700×4 = 2800

Every month for 4 years is 48 times

100×48 = 4800

Minimum expenditure:

4128 + 2800 + 4800 = $11,728

4 0
3 years ago
Which line is parallel to the line that passes through the points (2, –5) and (–4, 1)? a. y=-x-5
ratelena [41]
The answer is D
the answer is D
6 0
3 years ago
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