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bearhunter [10]
3 years ago
12

05 lc) if x2 = 10, what is the value of x? ±square root of 10 ±square root of 20 ±5 ±20

Mathematics
1 answer:
postnew [5]3 years ago
7 0
x^2=10\\x=\pm\sqrt{10}
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DESPERATELY NEED HELP
In-s [12.5K]

Remark

You must use the sin law to find this.


\dfrac{Sin(75)}{22} = \dfrac{Sin(x)}{12}

Multiply through by 12

12 * \dfrac{Sin(75)}{22} = \dfrac{Sin(x)}{12} *12


\dfrac{12*sin(75)}{22} = \text{sin(x)}

0.5269 = sin(x)


Now you have to use the inverse of the sine function.

Use your calculator for that

2nd F

sin-1

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= 31.79 degrees. <<<<<< Answer.


There sometimes is a second answer. I don't think there is in this case.


3 0
3 years ago
What is the square root of 64 multiplied by 2
Tamiku [17]

Answer:

its 16

as we know the square root of 64 is 6 and when it is multiplied by 2 its answer is 16.

Step-by-step explanation:

6 0
4 years ago
5 4/8 + 1 3/8 =<br> 1. 33/8<br> 2. 55/8<br> 3. 6 7/16
Dovator [93]

Answer: 2. 55/8

Step-by-step explanation: Add the whole numbers first (5+1 = 6), then add the fractions (4/8 + 3/8 = 7/8). Now we have 6 7/8 and since they want the answer in fraction form we will multiply the 6 and the 8 (6x8=48) and then add the 7 to the 48 (7+48 =55) and we leave our answer over the denominator which is 8. This leaves us with the final answer of 55/8

4 0
1 year ago
Kelly has a ribbon that is 60 inches long she cuts at 40% of ribbon for an art project while working on the project she decided
Amiraneli [1.4K]

Answer:

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Step-by-step explanation:

To find the amount of inches, multiply the length by the percent. A percent is 40% but can also be written as a decimal conversion as 0.4. Then 40% of 60 inches is 0.4(60)= 24 inches.

However, she didn't use all 24 inches. She used 35%. This converts to 0.35 and then multiply for 0.35(24) = 8.4 inches.

She used 8.4 inches.

4 0
3 years ago
2(1-4)-3(2+1) equals what
AysviL [449]

It would be -15 as the answer

6 0
3 years ago
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