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inysia [295]
3 years ago
15

I need to know if it is a proportional relationship and if it is i need a explanation,and the unit rate if it is a proportional

relationship

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
3 0

Answer:

No

Step-by-step explanation:

If a portrait is painted in 4 hours then two portraits should be painted in 4 hours.

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Can someone help me Write an equation for this graph?
makvit [3.9K]

Answer:

y = (2/3)x - 1

Step-by-step explanation:

y = mx + b

m = (y₂ - y₁) ÷ (x₂ - x₁)

m = (1 - (-1)) ÷ (3 - 0)

m = 2 ÷ 3

m = 2/3

Insert slope and one of the points. I'm using (0, -1).

Solve for b.

-1 = (2/3)0 + b

-1 = 0 + b

-1 = b

∴ y = (2/3)x - 1

7 0
3 years ago
A cone has a diameter of 18 units and a slant height of 15 units. Find the volume of the cone.​
Rasek [7]

Formula for volume:

πr^2(h/3)

Diameter divided by 2 is the radius

18/2 = 9

radius: 9 units

Use pythagorean theorem to find height

x^2 + 9^2 = 15^2

225 - 81 = 144

x^2 = 144

x = 12

height: 12 units

Plug these number in the volume formula.

Thus, it should be looking as:

π9^2(12/3) = 1017.88

Answer:

1017.88 units^3

6 0
3 years ago
(50 POINTS)
nikdorinn [45]

Answer:

-3(-5)+4 =19

Step-by-step explanation:

-3*-5 = 15

because -*- = +

15+4 = 19

6 0
2 years ago
To the nearest hundreth, what is the circumference of a circle with a radius of 7 units?​
Nataly_w [17]

Answer:153.94

Step-by-step explanation:circumference is πr^2

π × 49 = 153.93804

Nearest hundredth count two digits after the decimal(to make an hundredth), then round off with the third number

6 0
3 years ago
HELP AGAIN PEEPS!<br><br> :D
d1i1m1o1n [39]
Hey
2x+x+x+2y*3y*y
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=2(2x+3y^3)
5 0
3 years ago
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