Using sin(A+B) = sinAcosB + cosAsinB
sin20cos40 + cos20sin40 = sin(20+40) = sin60degree
=
Answer:
c because its c its c and nothing but c
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Answer:

Step-by-step explanation:
Assuming this pizza is a circle, we can use this formula for area:

1. Find Radius
We are given the diameter: 12 inches, but the formula uses radius.
The radius is half the diameter, or:



2. Calculate Area
Substitute the radius (6 inches) in for r. The question also asks us to use 3.14 for pi.

Solve the exponent.
- (6 in)²= 6 in* 6 in= 36 in²

Multiply.

3. Round
The question asks us to round to the nearest tenth.
The 4 in the hundredth place tells us to leave the 0 in the tenth place.

The area of the pizza is about 113.0 square inches.
Answer:
Step-by-step explanation:
<em>(5√3*√3)+(5√3*5)+(-1*√3)+(-1*5) </em>
<em>5*3+25√3-√3-5 </em>
<em>15+24√3-5 </em>
<em>**24√3+10** </em>
<em></em>
<em>Then to solve the second, apply division rules within the radical. This means you can cancel an m^1 and n^4 from the bottom and top of the fraction. This leaves... </em>
<em>3√(88m^19*n^8) </em>
<em>(That might be all you need to do, otherwise you can take the square root of each number in the term giving... </em>
<em>3(√88)*m^9.5*n^4)</em>
<em></em>
<em>Hope I made it clear enough</em>
<em></em>
<em>Please give me Brainliest</em>