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3 years ago

HELP ME PLEASE !! IM SO CONFUSED

Mathematics

1 answer:

Bas_tet [7]3 years ago

5 0

1. 2.0 x 10^-2
2. 2.2 x10^6
3. 2.0 x 10^4

Just covert each until you reach the end, like you know that there are 356 days in a year and 100 years in a century.

PS They're in scientific notation

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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!!!!!!!!!!!!!

solniwko [45]

Answer:

the answer is c

Step-by-step explanation:

because it doesn't repeat the same number for example if it was two -1s it wouldn't be a function but positive and negative are different so yeah

6 0

3 years ago

Which of these is the correct root of the word judicial?

Kobotan [32]

Pretty sure law. judicial means of, by, or appropriate to a court or judge.

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2 years ago

I need help finding the intersection of the line and plane

timofeeve [1]

Answer:

the line is making a kite like shape

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3 years ago

Brian, Alex & Colin share some money in the ratio 1:9:3.

fiasKO [112]

Answer:

Step-by-step explanation:

1:9:3

brian gets x

alex gets 9x

colin gets 3x

Brian and colin receive 40

x + 3x = 40

x = 10

alex gets 9x = £90

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2 years ago