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PilotLPTM [1.2K]
3 years ago
15

How do you use the order of operations to simplify expressions with exponents

Mathematics
1 answer:
yaroslaw [1]3 years ago
6 0
It could be PEMDAS.
That means solve by this order:
1). Parenthesis
2). Exponents
3). Multiplication
4). Division
5). Addition
6). Subtraction

To remember the order they say it like
this " Please Excuse My Dear Aunt Sally "




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The number of small lawns Isabella can rake depends on the amount of time she spends raking. Isabella can rake 3 lawns in 3.75 h
ycow [4]

Answer:

1) 4      2)7

Step-by-step explanation:

1) If we divide 3.75/3=1.25 which is the amount of time she takes per yard so if we add another yard to what she has already done we find she only could do one more yard in 5 hours 3.75+1.25=5.00 So she can only rake 4 yards in 5 hours

2) If we divide 20.25/3=6.75 we find that each ticket is $6.75 so we must divide that by 47.25 to get the amount of tickets 47.25/6.75=7


6 0
3 years ago
Jose works 25 hours a week at $12.50 per hour. How many weeks will he have to work to earn $3,437.50?
Sidana [21]
The answer is 11. You multiply 25 and 12.5 first. then once you find out how much money you get each week, you divide the 3437.5 by the number you got, which is 312.5. Divide 3437.5 by 312.5
4 0
3 years ago
Put a digit in the gap, such that the answer is a whole number:<br> 9x–42=5... I will give brainiest
cestrela7 [59]

9x–42=5 is x = 11.

<u>Step-by-step explanation:</u>

9x- 42 = 5...

When we put x = 9

then we will get 81 - 42 =39

put x = 10 then

9(10) - 42 = 90 - 42 - 48

put x = 11

then 9(11) - 42 = 99-42 = 57

So x = 11 is the answer.

7 0
3 years ago
Evaluate p+(-q)-2 where p = 3 and Q =5
Ad libitum [116K]

Answer:

-4

Step-by-step explanation:

3+(-5)-2

3+-5-2

3-7

=-4

4 0
3 years ago
Translate<br> (x-2, y+D) then<br> rotate 90°<br> counterclockwise<br> (-1, 1)
IgorLugansk [536]

Answer:

By taking (-1, 1) and translating it left by 2 and up by D we have (-3, 1+D)

Rotating 90° counterclockwise puts a negative on your y-coordinate and switches the x and y-coordinates.

Final answer:

(-1-D, -3)

<em>Your </em><em>well </em><em>wisher </em><em>:-)</em>

7 0
2 years ago
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