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KIM [24]
3 years ago
13

made a profit of $21.00 selling lemonade. She sold her lemonade for $0.75 per cup, received a tip of $3 from a neighbor, but als

o had to buy each plastic cup she used for $0.10 per cup. Write an equation to represent this situation
Mathematics
1 answer:
olasank [31]3 years ago
3 0

Answer:

Step-by-step explanation:

0.75x+3-10x=21

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Find the value of pq - r/4 when p= -8 and q= -3 and r= 68
andrey2020 [161]

Answer:

7

Step-by-step explanation:

pq - r/4

(-8)(-3) - 68/4

-8 x -3 = 24 (2 negatives equal a positive)

24 - 68/4

68/4 = 17

24-17 = 7

6 0
3 years ago
Correlation always implies causation. Is this statement correct?
svetoff [14.1K]

Answer:

Correlation does not always imply causation. (It's not correct)

Step-by-step explanation:

Correlation tests 2 variables' relationship, but just because they are related does not mean they necessarily cause each other.

3 0
2 years ago
SOLVE THIS PROBLEM ASAP
zepelin [54]

Answer:

5

Step-by-step explanation:

Use the exponent rule

Simplifying the top of the fraction

5^2*5*5^3=5^2+1+3=5^6

Simplifying the bottom of the fraction 5^4*5=5^4+1=5^5

Our simplified fraction is 5^6/5^5, which is just 5^6-5 which is 5^1 or 5.

Therefore, the answer is 5.

4 0
2 years ago
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2/5+x=1 What equals x?
kolbaska11 [484]

Answer:

Step-by-step explanation:

2/5 + x = 1

Multiply each term by 5

2 + 5x = 5

5x = 5 - 2

5x = 3

x = 3/5

8 0
3 years ago
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Michelle bought a gift priced at $5.00.she gave the store clerk $20.00.she received three bills as change.what bills did she rec
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The answer would be $5 bills

5*4 = 20 and he spent 5 you would only have 3 $5 bills.
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3 years ago
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