Answer:
<h2>
12x−3</h2>
Step-by-step explanation:
Let's simplify step-by-step.
10x+6+2x−9
=10x+6+2x+−9
Combine Like Terms:
=10x+6+2x+−9
=(10x+2x)+(6+−9)
=12x+−3
Answer:
=12x−3
<h3><u>
Brainliest Please!</u></h3>
Time = Distance / Speed
T = 8.5 miles/ 22 miles = 0.3863
For this question, let's use algebra!
<u>2.5 miles</u> = <u>50 minutes</u>
1 mile x minutes
x minutes = 50 x 1 ÷ 2.5
x minutes = 20
Hope this helps!
Answer:
175
Step-by-step explanation:
The sample size n in<em> Simple Random Sampling</em> is given by
<em>
where z = 1.96 is the z-score associated with a 95% confidence level ans s the standard deviation.
</em>
Replacing values
So, there should be 175 chief executive officers in a sample if we want to estimate the population mean annual salary plus bonus with a margin of error of $100,000
There are 10millimeters in one centimeter.
Since centimeter is a bigger measurement you'd multiply.
170 * 10 = 1700
There are 1700 millimeters in 170cm
Answer
1700 millimeters