Answer:
See below
Step-by-step explanation:
(8.2*10^-3)*(2.0*10^2
= 8.2*2.0 * 10^(-3+2)
= 16.4 * 10^-1
= 1.64 * 10^0
or 1.64
By multiplying fractions, you aren't changing any of them. For example 1/2 times 1/3 all you do is multiply. But to add 1/2 and 1/3 you would have to get a common denominator.<span />
In this question, you need to use Pythagoras' Theorem, c^2 - b^2 = a^2. In this case, C is 14 and B is 6, so you would do 14^2 - 6^2 = 196 - 36 = 160, and the approximate square root of 160 is 12.6 inches, which is your answer.
I hope this helps!
Answer:
12
Step-by-step explanation:
3√1000 = 10
because 10 • 10 • 10 = 1000
3√8 = 2
because 2 • 2 • 2 = 8
10+2 = 12
It's not plus or minus because it's a cube root rather than a square root.
( x -3 )² = y - 4
y = ( x - 3 )² + 4
One solution is located at the vertex: ( 3, 4 ).
y = - x + b
4 = - 3 + b
b = 7
( x - 3 )² = - x + 7 - 4
x² - 6 x + 9 = - x + 3
x² - 5 x + 6 = 0
x² - 2 x - 3 x + 6 = 0
x ( x - 2 ) - 3 ( x - 2 ) = 0
( x - 2 ) ( x - 3 ) = 0
x 1 = 2, x 2 = 3
y 1 = 5, y 2 = 4.
In order for this solution to be reasonable, the 2nd equation must be:
y = - x + 7
