Answer:
Step-by-step explanation:
A) License plates are made using 3 letters followed by 3 digits
If repitition is allowed we have
number of plates =
Option B
Out of 10 members 6 can be selected in
10C6 =210
Option B
3 tax returns from 13 can be selected in
13C3 =286
Option D
Prob of taking 3 cherry from 11 cherries is
6C3/11C3=20/165=0.1212
Option B
Answer:
-16/4 + 11/4
then u find common mutiples
Step-by-step explanation:
the first question
x-2/5=7
you need to use the same rules as pemdas but sorta in reverse. starting with multiplying 7 by 5, which is 35
x-2= 35
then you would add 2 to 35
making the answer x=37
You'd follow the same steps for the second one.
let me know if you have any questions
I hope this helped
The answer is b when you plug it in
Answer:
$450 is the original price
Step-by-step explanation:
We can create a proportion to find the sale on the original price. A proportion is an equation where two ratios are set equal to each other. We create two fractions using the prices and percents. It is marked down by 30% so we pay 70% of the original. The sale price is $315.
We begin solving by cross multiplying numerator to denominator of each fraction.