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EastWind [94]
3 years ago
11

Which equation(s) represents a proportional relationship?

Mathematics
1 answer:
enyata [817]3 years ago
4 0

Answer:

A and C are proportional relationships.

Step-by-step explanation:

Recall that a "proportional relationship" has no constant term.  Thus, we eliminate Answers B and D immediately.

Answer A represents a proportional relationship:  y varies directly with the square of x.

Answer C also represents a proportional relationship:  y varies directly with x.

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G(n)=3n-1 <br> H(n)=n^2-3<br> Find (g*h)(-4)
IrinaVladis [17]

Answer:

Step-by-step explanation:

G(-4)=3(-4)-1=-13

H(-4)=(-4)^2-3=16-3=13

(G*H)(-4)=G(-4)*H(-4)=-13*13=-169

7 0
3 years ago
Mrs. Nally's swimming pool is 10 feet by 6 feet. She paves the area around it with a sidewalk x feet wide, using 80 square feet
andrew11 [14]

Answer:

The sidewalk is 2 feet wide

Step-by-step explanation:

The area of the sidewalk is given as 80 square feet

The length and width of pool

including side walks will be;

10 + 2x and 6 + 2x

To get the area of the side walk

That will be area of total minus area of the pool

That will be ;

(10 + 2x)(6 + 2x) - 10(6) = 80

60 + 12x + 20x + 4x^2 - 60 = 80

4x^2 + 32x -80 = 0

x^2 + 8x -20

x^2 + 10x - 2x - 20 = 0

x(x + 10) -2(x + 10) = 0

(x-2)(x + 10) = 0

x = 2 or -10

since width cannot be negative;

The sidewalk is 2 feet wide

6 0
3 years ago
How is the quotient 80,000÷2000 different from the quotient 80,000÷200 or 80,000÷20
Olegator [25]
 2,000, 200 and 20 are similar except for the number of zeros.
You can remove a zero from each to equal the number of zeros in the divisor.  So 80,000 ÷ 2,000 is equivalent to 80 ÷ 2 = 40  you just remove the 3 zeros
80,000 ÷ 200 is equivalent to 800 ÷ 2 = 400 you just keep removing 0s like for instance this time it was 2 lastly 80,000 ÷ 20 only allows us to remove 1 zero 8,000 ÷ 2 = 4,000. The smaller the divisor the greater the quotient when dividing the same number like for instance in this example 80,000
3 0
3 years ago
What is the simplified value of the exponential expression 27 1/3 ?
kicyunya [14]

Answer:

the correct answer is 3

hope it helps

have a nice day

8 0
3 years ago
A cereal box is an example of a
arsen [322]
Rectangular prism that i know of
5 0
3 years ago
Read 2 more answers
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