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elena-14-01-66 [18.8K]
3 years ago
10

I NEED HELP NOW!!!!!

Mathematics
2 answers:
GuDViN [60]3 years ago
5 0

Answer: 1.) 5 cups of yellow paint.

2.) 15 cups of yellow paint to 3 cups of blue paint.

3.) 1:5 is the proportional relationship.

4.) 5 is the constant of proportionality, it represents the yellow cups of paint.

Step-by-step explanation: i think number 4 might be wrong not fully sure but i hope this helps!

Alexxandr [17]3 years ago
5 0

Answer:

Answer: 1.) 5 cups of yellow paint.

2.) 15 cups of yellow paint to 3 cups of blue paint.

3.) 1:5 is the proportional relationship.

4.) 5 is the constant of proportionality, it represents the yellow cups of paint.

Step-by-step explanation:

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SVETLANKA909090 [29]

Answer:

i) pi×4500 cm³

ii) pi×600 cm²

iii) 14 liters

Step-by-step explanation:

in general : the diameter is 30 cm, the radius is half of that (15 cm)

i)

the volume of a cylinder is base area times height.

Vc = pi×r²×h = pi×15²×20 = pi×225×20 = pi×4500 cm³

ii)

similar to volume, the side "mantle" area of the cylinder is the circumference of the base area times height.

surface area of the cylinder mantle is

Scm = 2×pi×r×h = 2×pi×15×20 = pi×30×20 = pi×600 cm²

iii)

for this we need now to do the multiplication with pi and then convert the cm³ to liters.

1 liter = a cube of 10 cm side length = 10×10×10 = 1000 cm³

pi×4500 = 14137.17 cm³ = 14.13717 liters or rounded 14 liters

3 0
3 years ago
What is the equation of a line, in point-slope form, that passes through (-8, 1)and has a slope of ?
Serggg [28]

Answer:

y-1 = 5(x+8)

Step-by-step explanation:

The standard equation of a line in point slope form is expressed as;

y-y0 = m(x-x0)

m is the slope

(x0, y0) is the point

Given

Slope m = 5 (assumed value)

Point (-8,1)

Substitute the given data's into the formula

y -1 = 5(x-(-8))

y-1 = 5(x+8)

Hence the required equation is y-1 = 5(x+8)

8 0
3 years ago
HELP W MATH PLEASE!!
icang [17]

Answer: 75

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3 0
3 years ago
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Can someone help this is due tomorrow! My problem is.......Jackie's grandfather gave her $250 for her birthday. To make her mone
Harlamova29_29 [7]
So, this problem asks us to construct an equation that relates the amount of money left to the amount of weeks that has gone by. First, let's assign variables. Let y be the amount of money left, while x is the number of weeks she receives money. The equation would be:

<em>y = 250 - 10x</em>
7 0
4 years ago
1. Janessa is playing a board game with two friends. Using a single die, one friend rolled a four, and the other friend rolled a
SOVA2 [1]

Answer:

1)    3, 4

2) .  1, 2, 3, 4, 5, 6

3)   5, 6

4) .   1, 2, 5, 6

Step-by-step explanation:

7 0
3 years ago
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