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Kaylis [27]
3 years ago
10

For the following right triangle, find the side length x. Round your answer to the nearest hundredth

Mathematics
1 answer:
garik1379 [7]3 years ago
3 0

Answer:

7.94

Step-by-step explanation:

a^{2} + 9^{2} =12^{2} \\a^{2} +81 = 144\\a^{2}  = 63\\a = \sqrt{63} \\a= 7.93725

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Could someone please help me answer this question? I would really appreciate a through explanation, how to work it, the answer t
Shtirlitz [24]
-|-10|-(-10)
A negative outside of the “ | “ means that one number inside will be negative . -10-(-10)
An imaginary | will “appear” in between the two negative signs or it will turn into an addition sign.

-10+10
A positive subtracts negatives from the negative number. The answer is 0

I hope this helped.
3 0
3 years ago
Read 2 more answers
Find the taylor polynomial t3(x) for the function f centered at the number
Vlad [161]
e^{-3x}=\displaystyle\sum_{n=0}^\infty\frac{(-3x)^n}{n!}=1-3x+9x^2+\cdots
\sin2x=\displaystyle\sum_{n=0}^\infty\frac{(-1)^n(2x)^{2n+1}}{(2n+1)!}=2x-\dfrac{4x^3}3+\cdots

e^{-3x}\sin2x=\left(1-3x+9x^2+\cdots\right)\left(2x-\dfrac{4x^3}3+\cdots\right)
\approx T_3(x)=(1-3x+9x^2)\left(2x-\dfrac{4x^3}3\right)
T_3(x)=2x-6x^2+\left(18-\dfrac43\right)x^3
T_3(x)=2x-6x^2+\dfrac{50}3x^3
5 0
3 years ago
Can someone double check my work for this problem? I got 38°??
scoundrel [369]
We need to use Law of sine.

sin A/a = sin C/c
sin A/|CB| = sin C/|AB|

sin A/14 = sin(118⁰)/ 20
sin A = (14*sin(118⁰))/ 20

A=arcsin((14*sin(118⁰))/ 20) ≈ 38⁰
4 0
3 years ago
What will be the next in the series 2,60,10,120,30,?
grandymaker [24]
2 to 60 is 58 -48 is 10 
so you have think what sort of maths skills are used like it could n+58 -48 then square or something ,but check what the differences are between the numbers.
hope it helped.
8 0
3 years ago
What is the standard deviation of the following data set?
tia_tia [17]

Answer:

D. 14.32

Step-by-step explanation:

The formula for standard deviation is:

SD = \sqrt{\frac{\sum | x-\mu|^2}{N}}

The mean μ is 33.

The (x minus μ) squared are 361, 49, 49, 361 respectively.

So that the SD = \sqrt{\frac{820}{4}} \approx 14.31782...

4 0
3 years ago
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