Answer:
Area of square with a side of 2r = 2(1) = 2 = 2^2 = 4
Area of circle = pi ( 1)^2 = pi
x = pi / 4 ≈ .79 = 79%
Answer:
140°
Step-by-step explanation:
The sum of angle of a triangle is equal to 180°.
Two of the angles measured 20°.
We need to find the measure of the third angle of Nora’s triangle. let the third angle is x. So,
20+20+x = 180
40+x = 180
x = 180-40
x = 140°
So, the third angle of the triangle is 140°.
Answer:
Step 3 should be ((9+4)/(0.25))-10.4 divided 4
Step 6 should be 52 - 2.6
I got it right on my exam :)
They mean the decimal portion. it goes 10s. 100s. 1,000s. so the 100ths is thr number 9
Solving 
we get, 
Step-by-step explanation:
We need to solve:
Solving:
Adding -ln(2) on both sides:
Using logarithmic rule: if 
So,
Simplifying:
So, Solving we get,
Keywords: Logarithms
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