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dmitriy555 [2]
3 years ago
9

Price Rite has ground beef on sale for $2.50 for 1 pound. Market Basket has ground beef on sale for $9.95 for 5 pounds. Which st

ore has the better deal?
Mathematics
1 answer:
Feliz [49]3 years ago
6 0
Divide the second price by the second pounds. 9.95 / 5 = 1.99
So for every pound you get you pay 1.99 dollars. The second deal is better.
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If the mean if these numbers is 9 what is x ? <br><br> 16,3,x,5
siniylev [52]
The mean is the average number meaning that it is all the numbers in a set added together and divided by how many number are in the set. In this case there are 4 numbers (16, 3, whatever number x is, and 5). So, to find out what x is, first you multiple 4 by the known mean which is 9.
4 x 9 = 36
Then you simply subtract 36 from all the known numbers to find x.
36 - 16 - 5 - 3 = 12
So x = 12
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3 years ago
A leprechaun places a magic penny under a​ girl's pillow. The next night there are 2 magic pennies under her pillow. Each night
11Alexandr11 [23.1K]

Answer:

  • tn = 2097152 pennies
  • tn = 20971.52 dollars.

Step-by-step explanation:

A surprisingly large amount of money.

The question is "Does the amount of money just double or do the previous amounts add to the present amount?"

I think it just doubles. Not only that, but she can't spend any of it until night 22 is reached.

  • tn = a*2^(n - 1)
  • a = 1   She starts with 1 penny.
  • n = 22
  • tn = 1*2^(22 - 1)
  • tn = 1*2^21
  • tn = 2097152 pennies
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8 0
3 years ago
does anyone know how to help me with the letters in math, i dont understand it, and i need help, someone please? if you can can
galina1969 [7]

Answer:

Step-by-step explanation:

Letters are variables and those variable can store a number

Ex: x=5  y=2

evaluate : 3x+2y

we know that x is 5, so we know that 3x would be 15

we know that y is 2, so we know that 2x would be 4

then it says to add 3x and 2y, we would add 15 and 4 to get 19

(This is a very simple example, when you get older, the expression would be much more confusing.

3 0
3 years ago
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Jeanine was making a baking. She used 1/2 cup of flour to make cookies and 2/3 cup of flour to make brownies. How much flour did
Fudgin [204]

Answer:

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Step-by-step explanation:

We need the fractions to have common denominators so multiply 1/2 by 3 and 2/3 by 2 to get the common denominator of 6.

1/2 x 3/3 = 3/6

2/3 x 2/2 = 4/6

Add the two fractions

3/6 + 4/6 = 7/6 or 1 & 1/6

5 0
3 years ago
Which equation could you use to solve for x in the proportion 4/5=9/x?
Margarita [4]

Answer:

Hope u liked it..............

3 0
3 years ago
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