Answer:
-4 (5v -3v -6) -9v (use the distributive property)
-20v +12v +24 -9v (combine all like terms)
-17v +24
Answer:
C
Step-by-step explanation:
First we find the z-score.
z = (x - μ) / σ
z = (520 - 500) / 60
z = 0.33
Using a calculator or z-score table:
P(z < 0.33) = 0.6293
The probability is approximately 63%. Answer C

is a right triangle with base length 1 and height 8, so the area of

is

.
The average value of

over

is given by the ratio

The denominator is just the area of

, which we already know. The average value is then simplified to

In the

-plane, we can describe the region

as all points

that lie between the lines

and

(the lines which coincide with the triangle's base and hypotenuse, respectively), taking

. So, the integral is given by, and evaluates to,



Answer:
$0.50
Step-by-step explanation:
He spent 2 on a card 1 on a drink and 1/2 on a piece of gum.
4 - (2+1+1/2) = 1/2
I am not sure it's correct.
Answer:
If you're rounding to the nearest two decimal places it's 12.65
Step-by-step explanation:
Pythagorean Theorem :)
12^2 + 4^2 = b^2
144+16= 160
The square root of 160 is about 12.65