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Alex Ar [27]
2 years ago
9

How many ways can 4 candy bars be chosen from a store that sells 30 candy bars?

Mathematics
2 answers:
Marina86 [1]2 years ago
5 0

Answer:

7.5

Step-by-step explanation:

you divide 4 by 30

aniked [119]2 years ago
4 0

Answer: 7.5

   Hope this helped and please do as brainlest!!

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Step-by-step explanation:

8 0
3 years ago
If x+y=5,x-y=4,find the value of x²-y²​
inysia [295]

Answer:

20

Step-by-step explanation:

→ First find the value of x and y

x + y = 5

x - y = 4

→ Add the equations to cancel out the y's

2x = 9

→ Divide both sides by 2 to find the value of x

x = 4.5

→ Substitute x = 4.5 back into x - y = 4 to find the value of y

4.5 - y = 4

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→ Substitute x = 4.5 and y = 0.5 into x² - y²

4.5² - 0.5² = 20.25 - 0.25 = 20

4 0
3 years ago
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BartSMP [9]
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3 years ago
PLZZZ HELPPPPPPPPPPP
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Answer:

Step-by-step explanation:

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The price was 448 dollars, went on sale for 398 dollars, what was the discount as a percent and savings in dollars and cents.
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