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Softa [21]
3 years ago
10

Can u help me I don't get it

Mathematics
1 answer:
Elina [12.6K]3 years ago
6 0
Equivalent fractions can you help add or subtract because it can be easier to simplify.


hope that helped
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The price of heating oil rose from $1.10 per gallon to $1.43 per gallon. What is the percent of
ZanzabumX [31]

Answer:

30% increase

Step-by-step explanation:

1.43 - 1.10 = 0.33

0.33 = 30% of 1.10

6 0
2 years ago
6.81 is what percent of 45.5
frosja888 [35]

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 45.5 is 100% - because it's the output value of the task.

2. We assume, that x is the value we are looking for.

3. If 45.5 is 100%, so we can write it down as 45.5=100%.

4. We know, that x is 6.81% of the output value, so we can write it down as x=6.81%.

5. Now we have two simple equations:

1) 45.5=100%

2) x=6.81%

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

45.5/x=100%/6.81%

6. Now we just have to solve the simple equation, and we will get the solution we are looking for.


7. Solution for what is 6.81% of 45.5


45.5/x=100/6.81

(45.5/x)*x=(100/6.81)*x       - we multiply both sides of the equation by x

45.5=14.684287812041*x       - we divide both sides of the equation by (14.684287812041) to get x

45.5/14.684287812041=x

3.09855=x

x=3.09855

now we have:

6.81% of 45.5=3.09855

Hope this helps!

4 0
3 years ago
Read 2 more answers
What is a rational number
dsp73
Anything except pi is a rational number. So 9 and 7/10 is one or it could be a whole number
7 0
3 years ago
Solve arctan(-sqrt(3))
tatyana61 [14]
We are given with the expression arctan(-sqrt(3)) and asked to evaluate it. In this case, we can use a calculator or the rule of common triangles to answer this question. the value of <span>arctan(-sqrt(3)) is -60. Since negative tan is found in 2nd and 4th quadrant, the angles are 180-60 or 120 degrees and 360-60 or 300 degrees.</span>
6 0
3 years ago
The athlete drank 80% of his water bottle in the first 15 minutes of his workout. If the bottle held 16.9 ounces of water, how m
Tresset [83]

Answer:

13.52 ounces of water

Step-by-step explanation:

80% equals 8/10

So we multiply 16.9x8/10 getting 13.52 ounces

6 0
2 years ago
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