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3 years ago

Will paid $2.73 for 3.5 pounds of bananas. What was the cost per pound of the bananas?

Mathematics

1 answer:

Alex73 [517]3 years ago

5 0

Answer:

0.78¢

Step-by-step explanation:

if 3.5 lbs of bananas is $2.73, then we need to divide each side by 3.5 to get 1 lb of bananas

1 lb = 0.78¢

To check our work, we can do 0.78x3.5 = 2.73

Hope this helps! Please mark Brainliest if this helped :)

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amid [387]

<span>Given than 1 pound = 16 ounces, we have a total of 8*16 + 10 = 138 ounces which we must devide among the 3 classrooms. This gives us 138/3 = 46 ounces per classroom, or 2 pounds and 14 ounces per classroom.</span>

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3 years ago

20. The perimeter of a square is 72 in. What is its area? 72 in2 324 in2 18 in2 5,184 in2

tatuchka [14]

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3 years ago

Find the smallest positive integer k such that 3240/k is a square number

sashaice [31]

Answer:

Step-by-step explanation:

First, factorize the number 3,240:

$3,240=2\cdot 1,620=2\cdot 2\cdot 810=2\cdot 2\cdot 2\cdot 405=2\cdot 2\cdot 2\cdot 2\cdot 5\cdot 81=2^3\cdot 5\cdot 9^2$

So,

$3,240=2^2 \cdot 2\cdot 5\cdot 9^2=18^2\cdot 10$

Now consider the fraction

$\dfrac{3,240}{k}=\dfrac{18^2\cdot 10}{k}$

If k = 10, then

$\dfrac{3,240}{k}=\dfrac{18^2\cdot 10}{10}=18^2$

is a square number.

For all k < 10, the fraction tex]\dfrac{3,240}{k}[/tex] is not a square number (this follows from factorization).

Or you can simply check the values of the fraction for all k < 10:

k = 1, $\dfrac{3,240}{1}=3,240$ is not a square number;
k = 2, $\dfrac{3,240}{2}=1,620$ is not a square number;
k = 3, $\dfrac{3,240}{3}=1,080$ is not a square number;
k = 4, $\dfrac{3,240}{4}=810$ is not a square number;
k = 5, $\dfrac{3,240}{5}=648$ is not a square number;
k = 6, $\dfrac{3,240}{6}=540$ is not a square number;
k = 7, $\dfrac{3,240}{7}$ is not a square number;
k = 8, $\dfrac{3,240}{8}=405$ is not a square number;
k = 9, $\dfrac{3,240}{9}=360$ is not a square number.

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3 years ago

What is 45x5 1/2 + 25 - 2 + 5x 3?

tamaranim1 [39]

Answer:

285.5

Step-by-step explanation:

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3 years ago

What is the probability of getting an odd number and a 4 sided shape on the spinner?

-Dominant- [34]

Answer:

Step-by-step explanation:

3 odd numbers x 2 4-sided shapes = 6

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3 years ago

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