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Paladinen [302]
3 years ago
15

Evaluate the expression when x=8 and y=2. 3x-5y 5(x y)

Mathematics
1 answer:
lubasha [3.4K]3 years ago
3 0
I hope this helps you

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in a survey, 27% of people chose salads over a meat dish. In all, 81 people chose salads. How many people were in the survey?
adelina 88 [10]
Number of people that chose salad = 81
Percentage of people that chose salad over meat dish = 27%
Let us assume the number of people on the survey = x
Then
27% * x = 81
(27/100) * x = 81
27x = 81 * 100
27x = 8100
x = 8100/27
   = 300
So a total of 300 people participated in the survey.I hope the procedure is clear enough for you to understand. Based on this method you can always solve similar types of problems without requiring any kind of help from outside.
6 0
3 years ago
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A train goes 10 miles per hour. How far does it travel in 4 hours
iren [92.7K]

Answer:

40 mph

Step-by-step explanation:

10 miles*4 hours = 40 miles

8 0
3 years ago
Find a counterexample to disprove the statement "The Associative Property is true for division."
MaRussiya [10]
The associative property makes it so whichever which way the numbers are the answer will be the same but as shown in the picture this isn't true for this statement because the answers become completely different depending on where the numbers are in the equation.
6 divided by 3 is NOT equal to 3 divided by 6 which disproves that property.

5 0
4 years ago
I NEED HELP BADLY!!!
DaniilM [7]
Vertical angles are where the top equals the bottom or the left equals the right angle. So we would do:
8x - 13 = 5x + 8
And then substitute.
3x = 21
x = 7
4 0
3 years ago
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​Simplify. ​13(−32.48−14.02)​ Enter your answer, as a decimal to tenths, in the box.
Artyom0805 [142]

If you mean 1/3 the answer is -15.5

1/3(-32.48-14.02) = 1/3(-46.5) = (-15.5)

3 0
3 years ago
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