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3 years ago

Edith babysits for x hours a week after school at a job that pays $4 an hour. She has accepted a

Mathematics

1 answer:

Korvikt [17]3 years ago

3 0

X+y is less than or equal to 15
4x+8y is greater than or equal to 80
x is greater than 0
y is greater than 0

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You have 8 gallons of lemonade to sell. You use cone-shaped cups that are 9 centimeters in diameter and 12 centimeters tall. Eac

andre [41]

You will need 119 cups to sell all of the lemonade.

Step-by-step explanation:

Given,

Diameter of cups = 9 cm

Radius of cup = $\frac{Diameter}{2}=\frac{9}{2}=4.5\ cm$

Height of cups = 12 cm

We will find volume of cup.

$Volume = \frac{1}{3}\pi r^2h\\$

Putting all the values

$Volume=\frac{1}{3}(3.14)(4.5)^2(12)\\\\Volume=\frac{1}{3}(3.14)(20.25)(12)\\\\Volume= \frac{763.02}{3}\\\\Volume= 254.34\ cm^3$

Therefore;

Each cup can hold 254.34 cubed centimeter of lemonade.

Number of gallons = 8

1 gallon = 3785 cm³

8 gallons = 3785*8 = 30280 cm³

Let,

x = Number of cups

Volume of lemonade in one cup * Number of cups = Volume of 8 gallons

254.34x=30280

Dividing both sides by 254.34

$\frac{254.34x}{254.34}=\frac{30280}{254.34}\\x=119.05$

Rounding off to nearest whole number

x = 119

You will need 119 cups to sell all of the lemonade.

Keywords: volume, division

Learn more about volume at:

#LearnwithBrainly

4 0

3 years ago

The graph below shows Sean's distance, d, from his home (in kilometers) as a function of the time, t (in hours).

sdas [7]

Answer:

Step-by-step explanation:

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2 years ago

JUST HELP PLS I POSTED THIS SO MANY TIMES AND NO HELPP AND NO LINKS I WILL REPORT!! PLSS HELPPP MEE I NEED TO GRADUATE!!! Which

Nikitich [7]

Answer:

d hope it helps make brainlliest ty

Step-by-step explanation:

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3 years ago

A famous basketball player scored 97 points in a high scool game, breaking a national record. She made 43 more 2-point baskets t

ziro4ka [17]

X - 3pt baskets (he reaches 3x points)
y - 2pt baskets (he reaches 2y points)

We know, that y=x+43

97 - 1 free throw = 97 - 1 = 96
Sum of points: 96

3x + 2y = 96. Substitute to "y" an expression "x+43" :

3x + 2(x+43)=96
3x+2x+86=96
5x=10 |:5
x=2

So y=x+43=2+43=45

He has made 2 three points baskets and 45 two points baskets

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3 years ago

What power of 2 is equal to the expression below

Brut [27]

Answer:

Daddy

Step-by-step explanation:

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3 years ago