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Elena-2011 [213]
3 years ago
14

12, 15. -27. What is the sum of the cards she chose?

Mathematics
1 answer:
diamong [38]3 years ago
4 0

Answer:

Add 12 with 15, we would get 27

If we add 27 with -27, then we would get 0, because if a negative and positive number are the same, then you add them, you will alway's get 0

0 is your answer

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Robin has $450 to spend on home repairs. The repairman charges $65 for the initial visit and $37.50 per hour or part of an hour.
laiz [17]

Answer:

6 hours

Step-by-step explanation:

First set up the equation. Seeing the word "per", we know that this will be the variable. The repairman charges an initial fee of 37.50, so we add that fee to the total cost of every hour. To find how much Robin can spend, you set it equal to 450

65x + 37.50 = 450

Now subtract 37.50 from both sides because neither number has a variable, so you can subtract them to simplify the equation

65x = 412.5

To isolate x and find what it's equal to, divide both sides by 65 to get rid of the coefficient.

x = 6.34.

However the answer should be 6 because robin cannot afford a full or part of a 7th hour

4 0
3 years ago
F(x) = -7x - 5 + 2x when x = -2 what is the answer please
ss7ja [257]

Answer:

x=−2 and y=5

Step-by-step explanation:

3 0
3 years ago
I giveeeeee brainlilstttttt
Nataly_w [17]

Answer:

A (8,0)  

B (8,8)

C (6,8)

D (6,0)

Step-by-step explanation:

Im pretty sure your can just flip the negative signs for "x" cause your flipping it across the y axis which changes the sign.

4 0
2 years ago
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Four people have lunch at a buffet restaurant, where everyone pays the same price to
Lostsunrise [7]

Answer:

I am pretty sure that $15.50 is the answer

7 0
2 years ago
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HELP WHATS THE ANSWER
Rom4ik [11]

Answer:

13.5

Step-by-step explanation:

4 0
3 years ago
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