Step-by-step explanation:
According to PEMDAS parentheses are first.
2(6+1) can be simplified to 12+2.
5(3+2) can be simplified to 15+10
Add these two together.
12+2+15+10
14+15+10
29+10
y=39
Note - when you have something like this in math 2(6+1) it means you need to do 2 x 6 and 2 x 1
The answer is actually 2187.36. So, rounded, it is 2187
Yes it is 50 miles per hour
Answer:
22.97
Step-by-step explanation:
Given that the average cost of an IRS Form 1040 tax filing at Thetis Tax Service is $138.00.
Let x be the average cost an IRS Form 1040 tax filing at Thetis Tax Service
is given
From std normal distribution table we find 77th percentile z value.
z=0.74
Corresponding X value = 155
i.e.
where s is the std deviation
Simplify to get
Std deviation = 
36% = 36/100 divide both numerator and denominator by 4 gives you 9/25