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Dovator [93]
2 years ago
15

Just look at the picture

Mathematics
1 answer:
Hunter-Best [27]2 years ago
7 0

Answer:

cool

Step-by-step explanation:

like the picture good job

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Solve for x, 0 ≤ x ≤2π (2cosx-1)(2sinx+√3 ) = 0
vladimir1956 [14]

Answer:

x = π/3, x = 5π/3, x = 4π/3

Step-by-step explanation:

Let's split the given equation (2cosx-1)(2sinx+√3 ) = 0 into two parts, and solve each separately. These parts would be 2cos(x) - 1 = 0, and 2sin(x) + √3  = 0.

2\cos \left(x\right)-1=0,\\2\cos \left(x\right)=1,\\\cos \left(x\right)=\frac{1}{2}

Remember that the general solutions for cos(x) = 1/2 are x = π/3 + 2πn and x = 5π/3 + 2πn. In this case we are given the interval 0 ≤ x ≤2π, and therefore x = π/3, and x = 5π/3.

Similarly:

\:2\sin \left(x\right)+\sqrt{3}=0,\\2\sin \left(x\right)=-\sqrt{3},\\\sin \left(x\right)=-\frac{\sqrt{3}}{2}

The general solutions for sin(x) = - √3/2 are x = 4π/3 + 2πn and x = 5π/3 + 2πn. Therefore x = 4π/3 and x = 5π/3 in this case.

So we have x = π/3, x = 5π/3, and x = 4π/3 as our solutions.

5 0
3 years ago
Write or draw to explain how you will find the total value of $1 bills and 3 quarters.
Rzqust [24]
"if you break down a $1 bill, it is 4 quarters. If you add the 4 quarters to the other 3 then you will get the sum of 7."

Hope this helps!
5 0
3 years ago
Find the value of X<br> PLEASE HELP ASAP!!!!!
MAVERICK [17]

Answer:

-10

Step-by-step explanation:

the upper right is the same (105°), therefore the left 75°

now you have 180 = 75 + x + 115

therefore: -10

6 0
3 years ago
Find the measure of the missing angles! Pls help thank you
Inga [223]

Answer:

a=61°

Step-by-step explanation:

a= 180° - 90° - 29°

a = 61°

3 0
2 years ago
1.95 is 1.5% of what number?
stiks02 [169]

Hello there, to answer your question...

<h2>1.95 is 1.5% of 130.</h2><h2 />

I hope the information I provided has helped.

4 0
3 years ago
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