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tatyana61 [14]
3 years ago
11

The units digit of a perfect square is 6. What are the possible values of the tens digit?

Mathematics
1 answer:
liq [111]3 years ago
8 0
Answer: 1, 3, 5, 7 and 9


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Use a graphing calculator to solve the equation -2sin(theta)= 1.2 in the interval from 0 to 2pi.
elena-s [515]

Answer:

\theta=\pi +arcsin(\frac{3}{5})\approx 3.785\\\\\theta=2\pi -arcsin(\frac{3}{5} ) \approx 5.64  

Step-by-step explanation:

As you can see from the graph I attached you, the possible solutions in the interval from 0 to 2π are approximately:

\theta=3.7\\\\and\\\\\theta=5.7

So, it's useful to solve the equation too, in order to verify the result:

-2sin(\theta)=1.2\\\\sin(\theta)=-\frac{3}{5}

Taking the inverse sine of both sides:

\theta=\pi +arcsin(\frac{3}{5})\approx 3.785\\\\\theta=2\pi -arcsin(\frac{3}{5} ) \approx 5.64

Using this result we can conclude the solutions in the interval from 0 to 2π are approximately:

\theta\approx 3.785\\\\\theta \approx 5.64

8 0
3 years ago
PLEASE HELP FAST...WILL MARK AS BRAINLIEST IF GIVEN GOOD ANSWER ​
EleoNora [17]

Answer:

I think it B

Step-by-step explanation:

Cause if we are looking for an angle that is approximately = to the coise B has no angle

3 0
3 years ago
Consider the function f(x)=x^2+2x-15. What are the x-intercepts of the function
Zina [86]

Let f(x)=0, you'll get x=3 and x=-5, those are the x-intercepts of the function.

8 0
3 years ago
Find the map ratio if 10 cm on the map is represented by 10 km
olga nikolaevna [1]
I think this is the answer :)

4 0
3 years ago
Read 2 more answers
No files if your not sure don’t Awnser if correct I will give brainlest
Kruka [31]

Answer:

to convert a fraction to a decimal you have to divide the numerator with the denominator.

so Rylie ate 12 grapes out of 20= 12/20

12/20=0.6

Step-by-step explanation:

4 0
3 years ago
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