MATHEMATICS COLLEGE

Swer each part. If necessary, round your answers to the nearest hundredth.(a) Ivan bought 24 pounds of rice for $10.
How many dollars did he pay per pound of rice?
dollars per pound
(b) A color printer prints 18 pages in 8 minutes.
How many pages does it print per minute?
pages per minute

Answers

Answer 1
Answer:

Final answer:

Ivan paid $0.42 per pound of rice and the color printer prints 2.25 pages per minute.


Explanation:

(a) To find the dollars per pound, we divide the total cost by the total weight.

Dollars per pound = Total cost / Total weight

Given that Ivan bought 24 pounds of rice for $10, we can calculate: Dollars per pound = $10 / 24 pounds = $0.42 per pound (rounded to the nearest hundredth).

(b) To find the pages per minute, we divide the total number of pages by the total number of minutes.

Pages per minute = Total pages / Total minutes

Given that the color printer prints 18 pages in 8 minutes, we can calculate: Pages per minute = 18 pages / 8 minutes = 2.25 pages per minute (rounded to the nearest hundredth).


Learn more about dollars per pound, pages per minute here:

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If a 5 ft tall man cast an 8 ft long shadow at the same time a tree cast a 24 ft long shadow, how tall is the tree?

Answers

Answer:

15 feet

Step-by-step explanation:

We have 2 similar right triangles with legs height and length of shadows.

height of men : length of shadows of the man = height of tree : length of shadows of the tree

5 : 8 = x : 24

8x = 5* 24

x = 5*24/8 = 15 (feet)

Answer:

15ft

Step-by-step explanation:

5 ft  is to 8 ft

A ft is to  24 ft

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Answers

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A penny, a nickel, a dime, and a quarter are tossed. What is the probability of obtaining at least three tails on the losses

Answers

Answer:

1/8th chance

Step-by-step explanation:

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Hello, please I bed urgent help with this math problem please

Answers

Answer:

option C

Step-by-step explanation:

4c^2 + 7c - 5 = 0 , \ where \ a = 4 , \ b = 7 , \ x = - 5

c = (- b \pm √(b^2 - 4ax ))/(2a) \n\nc = (- 7 \pm √(49 - ( 4 * 4 * - 5 )))/(2 * 4) \n\nc = (- 7 \pm √(49 + 80))/(8) \n\nc = (- 7 \pm √(49 + 80))/(8) \n\nc = (- 7 \pm √(129))/(8) \n\n

Answer:

Option C

Step-by-step explanation:

Quadratic formula:

4c^(2) +7c-5=0

a=4\nb=7\nx=-5

c=\frac{-b\frac{+}{} √(b^2-4ax)}{2a}

c=\frac{-7\frac{+}{}49-(4*4*-5) }{2*4}

c=\frac{-7\frac{+}{}√(129) }{8}

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A jar contained 8 balls: 6 red, 1 green and 1 blue. We randomly take a ball out of the jar. Once a ball is selected we do not put it back. We keep selecting balls until for the first time we get a blue one. We count the number of times we had to draw a ball, (including the last drawing) until we actually got the blue ball. How many elements are in the sample space for this experiment

Answers

Answer:

35

Step-by-step explanation:

Given that :

Number of balls = 8

Red (R) = 6 ; 1 green(G) ; 1 BLUE (B)

Possibilities unt a blue ball is picked :

B, RB, GB, RRB, RGB, GRB, G

Draw 1 = B = 1

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Draw 5 = B = 4C4 + 4C1 = 1 + 4 = 5

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Draw 7 = B = 6C6 + 6C1 = 1 + 6 = 7

Draw 8 = B = 6C6 + 6C1 = 1 + 6 = 7

Taking the sum:

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bananas cost $0.80 a pound. in a relation, the input is the number of pounds of bananas and the output is the cost.

Answers

Yes because one input (number of pounds of banana) will always have the same output (cost).

Answer:

True. This isn't really a question but it is a statement

Step-by-step explanation:

1 pound       80 cents

2 pounds     1.60

3 pounds     2.40

and so on
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