Statisticians use summary measures to describe the amount of variability or spread in a set of data. The most common measures of variability are the range, theinterquartile<span> range (</span>IQR<span>), </span>variance<span>, and standard deviation. This is from google btw</span>
Answer: yes it is a right angle triangle
Step-by-step explanation:
a^2 + b^2 = c^2
8^2+ 5^2 = ?
64 + 25 = square root of 89
square root of 89 = 9.4
when we round 9.4 it is 9
so
22- (8+5) =
22 - 13 = 9
so our answer is correct
Answer:
The answer is "0.081"
Step-by-step explanation:
Dimes
Calculating total coins
P(for a dime) 
Calculating remaining coins
Nickels 
P(for nickel draw in second)
P(for a dime after that a nickel, without replacement)
Answer:
$100
Step-by-step explanation:
125 dollar bike will cost you 100 dollars if the sale for 20%.
125 x 0.20 = 25
25-125=100
Hope this helped!
Answer: 
Step-by-step explanation:
1. By definition, scientific notation has the following form:

Where:
<em> a</em> is a number between 1 and 10 but does not include 10.
<em> b </em>an integer.
2. When you multiply 3.25 by 7.8 the result is 25.35 and when you multiply
by
, you obtain
, but to write ree thsult in scientific notation, the decimal point must be after the first digit. Therefore, you must move the decimal point one place to the left. So, the exponent changes from 9 to 10:
