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forsale [732]
1 year ago
9

a chef uses 5 2/5 pounds of ground beef to make a hamburger and 2 1/4 pounds of ground beef to make meatloaf. the ground beef co

mes in 1/2 pound packages. how many packages of ground beef are needed to make hamburgers and meatloaf?
Mathematics
1 answer:
Lisa [10]1 year ago
8 0

Answer:

16 packages

Step-by-step explanation:

5 2/5 + 2 1/4  Use the common denominator of 20

5 8/20 + 2 5/20  

7  13/20

I know that I will need 14 packages for the 7 pounds.  For the fraction part, 10/20 would be half, so I would need to buy a half pound for that, but I need 13/20 which would be more than a half pound, so I will need to buy 2 more pounds for the fraction part.

14 + 2 = 16

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12^13–12^12+12^11 is divisible by 7 and 19.
fiasKO [112]

Answer:

The statement is true

Step-by-step explanation:

The question is as following :

12^{13}-12^{12}+12^{11} is divisible by 7 and 19, true or false?

The given expression is 12^{13}-12^{12}+12^{11}

Take 12^{11} as a common

12^{13}-12^{12}+12^{11} = 12^{11}*(12^2-12^1+12^0)\\= 12^{11} *(144-12+1)\\=12^{11} * 133\\= 12^{11} * 7 * 19

So, 12^{11} * 7 * 19 divided 7 = 12^{11} * 19

And 12^{11} * 7 * 19 divided 19 = 12^{11} * 7

12^{13}-12^{12}+12^{11} is divisible by 7 and 19 (<u>True</u>)

8 0
3 years ago
FIRST PERSON GETS BRAINLIEST
Sunny_sXe [5.5K]
X = 61 degrees.
Find the number of degrees in a pentagon by using the following formula:
(number of sides - 2)180 = 540.
There are 540 degrees in a pentagon.
Since we know four of the angles, we can subtract them from 540 to get the fifth angle.
540-138-144-107-90 = 61

Hope this helped =)
3 0
3 years ago
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It took a car 4 days to travel 4554 miles. What was the car's average speed in miles per hour
Ahat [919]

Answer:

18.975

Step-by-step explanation:

I hope this is right but i did 60 times 4 =240. then I divided 4554 by 240 but i hope this works and can yhu mark me brainliest

3 0
3 years ago
Corey has 16 cups of flour to make cookies. one batch of cookies takes 2.5 cups of flour. if he must save 6 cups of flour for ot
babunello [35]
Since 1 batch is 2.5 cups and he needs to save 6.. what you'll do is subtract 16-6. The. You create a proportion.. You cross multiply then divide..

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3 years ago
What equation does the line represent
ss7ja [257]

Answer:y=5/6x+2.8

Step-by-step explanation:

use the slope intercept form. 5.6 is the slop and 2.8 is the y- intercept

8 0
3 years ago
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