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sergiy2304 [10]
3 years ago
5

Donald needs to stamp 145 pieces of mail. He has finished 97 pieces. How many more does he have to do?      A. 58 B. 48 C. 42 D.

52
Mathematics
2 answers:
Sloan [31]3 years ago
8 0
He has 48 left to do.
inn [45]3 years ago
5 0
B 48 forty eight 145- 97 makes your answer
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An electric pump can fill a 45-gallon tub in half an hour.At this rate, how long would it take to fill a 60-gallon tub?
zysi [14]
You can cross multiply to find the answer. Start by setting up your equation:

45/30 = 60/x  (30 represents half an hour)
Next, cross multiply, 45 times x, and 60 times 30: 

45x = 1800  you must isolate the "x" value by using the opposite operation it is involved in. Here we have 45x (x is multiplied to 45) so we must divide 45, which will cancel itself out, leaving us with "x."

What you do on one side of the equation, you must do on the other, so divide 1800 by 45 as well, which will leave you with 40.

Working it out on paper, your equation should now look like this: x=40, which represents the amount of time it will take to fill a 60 gallon tube.

Answer: It will take 40 minutes to fill a 60 gallon tube. 
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Kelly buys a shirt for $14 dollars and pays the store clerk $20 how much change will kelly get back
Ilia_Sergeevich [38]

Answer:

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8 0
3 years ago
Solve 2(x-3)=1-5(2-x)
xeze [42]
Your answer is, x=1.
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5 0
3 years ago
The graph of a function f is shown below.<br> Find f (2)
liberstina [14]

Answer:  f(2) is 3.

Step-by-step explanation:

f(2) just means "what is the vale of the function, f, when x = 2?  Look for x=2 and read the y value where the line crosses x=2, in this case, the y value is 3.  So f(2) = 3.

======

[One could also determine the equation for the line.  Provided below.]  

The slope is -(1/2) and the y-intercept is 4:

y = -(1/2)x + 4

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y = -(1/2)*(2) + 4

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3 years ago
PLEASE HELP ASAP!!:
katrin2010 [14]

I totally typed the right answer for the wrong question sorry

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