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Firdavs [7]
2 years ago
11

How do we do this ourselves please solve it with an explanation

Mathematics
1 answer:
dsp732 years ago
8 0

Answer:

172

Step-by-step explanation:

412.8÷2.4

4128/10÷24/10

4128/10×10/24

4128/24

172

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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
Limestone is dissolved by chemical weathering at a rate of 0.2 cm every 100 years. At this rate, after how many years souldva la
Zinaida [17]
At this rate, it should take 7,500 years to dissolve 15m thiccccc
4 0
3 years ago
Which number has two lines of symmetry?<br><br> 101<br> 619<br> 33<br> 18 <br> not multiple answer
podryga [215]

Answer:

The number is 33

Step-by-step explanation:

8 0
2 years ago
A local restaurant is offering a special deal in which customers can receive one appetizer, one entree, and one dessert for a fi
Dmitriy789 [7]
There are105 different choices.
For 1 appetizer, there are 15 different combinations of entrees and desserts. 1 dessert has 5 entrees you can mix, and since there are 3 desserts, there are 15 choices. It goes the same for every appetizer until there is 7x15. 7Ax15choices equals 105 options.
The customer has 105 meal choices.
5 0
3 years ago
There is a picture of Cube with the #6
Lostsunrise [7]

Answer:

going down the picture

45

36

250

546

216

60

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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