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2 years ago

I really don’t understand this

Mathematics

1 answer:

Gemiola [76]2 years ago

7 0

4 pizzas because, 12 slices /3 per person =4 and 16 people /4 = 4 pizzas

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1.Kori spent $46.20 on 12 gallons of gasoline. What was the price per gallon?

spin [16.1K]

1: B $3.85

2: C The rabbit; 14 miles per hour

3: C 2 1/2 miles

1. Reason: To find the price per gallon, all you need to do is divide 46.20 by 12 to get 3.85

2. Reason: To find which animal is faster all you have to do is subtract the greater number, which is the rabbit that travels 35 miles per hour from the smaller number which is the fox that travels 21 miles.

Subtract: 35-21= 14. So the rabbit is faster by 14 miles.

3. Reason: If Randy walks 1/2 mile in every 1/5 hour, to find the much he will walk in a hour you could count up:

1/2 mile = 1/5 hour

1 mile = 2/5 hour

1 1/2 mile = 3/5 hour

2 mile = 4/5 hour

2 1/2 mile = 1 hour

So, Randy will travel 2 1/2 miles in a hour.

8 0

2 years ago

A 4.3 ounce tomato has about 24 calories. How many calories are in one ounce ?

mafiozo [28]

Answer: approximately 5.5814 calories

==================================

We start off with this ratio

4.3 ounces : 24 calories

Divide both parts of the ratio by 4.3 so that we end up with 1 ounce on the left side

4.3 ounces : 24 calories

4.3/4.3 ounces : 24/4.3 calories

1 ounce : 5.5814 calories

This value is approximate to four decimal places.

7 0

2 years ago

-6n - 2n = 16 solve for n multi step equations

hammer [34]

Answer:

n = -2

Step-by-step explanation:

-6n - 2n = 16

Combine like terms

-8n = 16

Divide each side by -8

-8n/-8 = 16/-8

n = -2

3 0

2 years ago

Read 2 more answers

Richard has 3 times as many music CD's as Benny does If Richard has y CD's the number of CD's Benny has is given by the expressi

Sloan [31]

30 cds x three penis enlargement pills equals 67 cds

3 0

3 years ago

Kane Manufacturing has a division that produces two models of fireplace grates, x units of model A and y units of model B. To pr

Gnoma [55]

Answer:

(140, 160)

Step-by-step explanation:

Let x represent model A and y represent model B.

2 lb of cast iron is needed for model A while 4 lb of cast iron is needed for model B. 920 lb of cast iron is available for production. This can be represented by the constraint:

2x + 4y ≤ 920 (1)

7 min of labor is needed for model A while 4 min of labor is needed for model B. 1620 min of labor is available for production per day. This can be represented by the constraint:

7x + 4y ≤ 1620 (2)

Also, x ≥ 0 , y ≥ 0

Plotting the constraints using geogebra app, The points that satisfy these constraints are:

(0, 230), (231.42, 0), (0,0) and (140, 160)

The profit for each model A grate is $1.50, and the profit for each model B grate is $2.40. The profit equation is:

Profit = 1.5x + 2.4y

We are to maximize profit. Hence:

At (0,0); max Profit = 1.5(0) + 2.4(0) = 0

At (0,230); max Profit = 1.5(0) + 2.4(230) = 552

At (231.42,0); max Profit = 1.5(231.42) + 2.4(0) = 347

At (140,160); max Profit = 1.5(140) + 2.4(160) = 594

The maximum profit is at (140, 160)

8 0

2 years ago