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3 years ago

PLEASE HELP ASAP I DON'T UNDERSTAND

1 answer:

4 0

The slope of a linear equation will tell you the price of each ticket. The y-intercept tells you the convenience fee.
We can find the slope by choosing two points and finding the slope.
m = (y2 - y1)/(x2 - x1)
m = (887.40 - 231.15)/(20 - 5)
m = 656.25/15
m = 43.75
Each ticket will cost $43.75

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A rope 33cm long has a mass of 561g. What is the mass of 13cm of this rope?

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Answer:

221g

Step-by-step explanation:

561g divided by 33cm is how much 1 cm of rope would be so then you multiply that amount by 13

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4 years ago

Write two forms for 40,023,032

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Fourty million, twenty-three thousand, thirty-two.

40,000,000 + 20,000 + 3,000 + 30 + 2

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3 years ago

If 7 is added to the square of a positive integer, the result is 43. Find the positive integer

Blababa [14]

Answer:

Step-by-step explanation:

43-7=36

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4 years ago

There are 3/4 of a box of cereal remaining. You dat 2/5 of the remaining cereal. What fraction of the box did you eat?

Pavlova-9 [17]

Greetings!

"<span>There are 3/4 of a box of cereal remaining. You eat 2/5 of the remaining cereal. What fraction of the box did you eat?"...

You can solve this by multiplying the fractions by each other (Numerator by numerator, denominator by denominator.)
</span> $=3/4*2/5
$
$=6/20$
or
$=3/10$

You ate 3/10ths of the entire cereal box.

Hope this helps.
-Benjamin

8 0

4 years ago

Read 2 more answers

A cylindrical container that has a capacity of 4000 cubic centimeters is to be produced. The top and bottom of the container are

Aleks04 [339]

Answer:

the optimal size of the cylinder to minimise cost is

radius= R = 7.985 cm ≈ 8 cm

height =h = 19.969 cm ≈ 20 cm

Step-by-step explanation:

Since the cost function is

C= 2*π*R²*c₁+ 2*π*R*h*c₂

where R = cylinder radius , h = height ,c₁= cost of the top material ,c₂ = cost f the side material

The volume of the cylinder is:

V=π*h*R² → h= V/(π* R²)

then

C= 2*π*R²*c₁ + 2*π*R* V/(π* R²) *c₂

C= 2*π*R²*c₁ + 2*π*c₂* V/(π* R) *c₂

the value of h that minimises the cost can be found through dC/dR=0 . Thus

dC/dR= 4*π*R*c₁ - 2*π*c₂* V/(π* R²) = 0

2*R*c₁ - c₂* V/(π* R²) = 0

2*R³*c₁ = c₂* V/π

R = ∛[(c₂/c₁)* (V/(2*π)]

replacing values

R = ∛[(c₂/c₁)* (V/(2*π)] = ∛ [($0.40/$0.50)*4000 cm³/(2*π)] = 7.985 cm

R = 7.985 cm

and the height would be

h= V/(π* R²) = 4000 cm³/[π*(7.985 cm)²]] = 19.969 cm

h= 19.969 cm

6 0

4 years ago