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Lubov Fominskaja [6]
3 years ago
8

Isabella ran a lemonade stall at a school festival. She made a $10 profit in the first hour, a $ 25 loss in the second hour, and

a $7 profit in the third hour. Find the total profit or loss made by Isabella over the three hours
Mathematics
1 answer:
Anni [7]3 years ago
4 0

Answer:

$8 loss

Step-by-step explanation:

$10 profits, $7 profits, $25 loss

$10+$7=$17 profits

$25 loss - $17 profits = $8 loss

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I keep getting (10,5) or (0,5) someone pls help
rodikova [14]

Answer:

(4,-3)

Step-by-step explanation:

Multiplying the bottom equation by -6, we get -6x+12y=-60.

Adding this to the first equation gives 15y=-45, and thus y=-3.

So, it follows that 6x+3(-3)=15, and thus x=4.

4 0
2 years ago
Which shop is cheaper for Carmen to buy 6 cans?
sweet [91]

Answer:

right price is cheaper by 44 pence

Step-by-step explanation:

smart buy

10% of 360 is 36

360-36=324

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75*4=300

HOPE THIS HELPS

BRAINLIEST PLZZ

3 0
2 years ago
Read 2 more answers
How to combine like terms
aev [14]

Example: 1x+2y+3z+4a+5x+6y+7z+8+9

We can see that there is more than one number with the variable x, therefore, we say they're ''like terms'' and because of that they can be summed. We do this with all of the other numbers with similar variables. If no numbers with similar variables are left, like 4a, you don't do anything but write them as they are. You can also see that 8 and 9 can also be summed because neither of them has a variable, therefore they're similar.

In this step, you just do the operation with the numbers and keep the same variable.

(1x+5x)+(2y+6y)+(3z+7z)+4a+(8+9)

(6x)+(8y)+(10z)+4a+(17)

since there are not more numbers similar in variables, this operation is done.

6x+8y+10z+4a+17

8 0
3 years ago
Solve for all solutions (2x+3)2=81
Scrat [10]
X=12
Hope this helps

3 0
2 years ago
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Solve for side length, a. Round to one decimal place."
barxatty [35]
Answer b

Reason:looked it up ;)
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