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bija089 [108]
3 years ago
7

On a math problem how do you check your answer and how do you no if the answer is right.

Mathematics
1 answer:
Nonamiya [84]3 years ago
3 0

Answer:

you check ur work by plugging in what u got as your answer after you plug in what you got you see if it makes sense and you can always have some else double check your work

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63x^3y+105x^2y divided by -7xy<br><br> help, please
STALIN [3.7K]

Hope this helps, now you know the answer and how to do it. HAVE A BLESSED AND WONDERFUL DAY! As well as a great Valentines Day! :-)  

- Cutiepatutie ☺❀❤

7 0
3 years ago
PLEASE HELP!
Gekata [30.6K]
First: 13 x 8 = 104
Second: 8/2 = 4 
Third: 104 + 4 = 108 
Your answer is 108


5 0
3 years ago
Find sin0, cos0, tan0
djverab [1.8K]

Answer:

sin(θ) = 12/13, cos(θ) = 5/13, tan(θ) = 12/5

Step-by-step explanation:

We need to find sine, cosine, and tangent of theta for this triangle.

First, define the different trigonometric functions:

- sine is opposite side to the angle divided by the hypotenuse (longest side not adjacent to the 90 degree angle)

- cosine is the adjacent side next to the angle divided by the hypotenuse

- tangent is the opposite side to the angle divided by the adjacent side

Now, look at theta (θ):

- the opposite side is marked 12

- the adjacent side is marked 5

- the hypotenuse is marked 13

So:

- sin(θ) = opposite / hypotenuse = 12/13

- cos(θ) = adjacent / hypotenuse = 5/13

- tan(θ) = opposite / adjacent = 12/5

Thus the answers are: sin(θ) = 12/13, cos(θ) = 5/13, tan(θ) = 12/5.

6 0
3 years ago
Read 2 more answers
Two dice are rolled and the faces are added together. Give your answer as a decimal out to at least 4
Basile [38]
It is A
Hope I helped
3 0
3 years ago
1. Michelle purchased 25 audio files in January. In February she
san4es73 [151]

<u>Answer:</u>

Michelle purchased 25 audio files in January. The percent increase is 60%

<u>Solution: </u>

Given Data:

Michelle purchases = 25 audio files in January

Again purchased = 40 audio files in February

We need to find the percent increase for the given data.

Step 1:

Use the formula for percent change ,

=\frac{\text { amount of change }}{\text { original amount. }}

Step 2:

First we find the amount of change from the question.

Amount of change = 40 – 25  

By subtracting, we get 15.

Step 3:

substitute the values in formula we get,

Formula percent change = \frac{15}{25} = 0.6  

Percent = 0.6 \times 100 = 60 %.

Result:

Michelle purchased 25 audio files in January. And In February she purchased 40 audio files. Hence the percent increase is 60%.

8 0
3 years ago
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