Answer:
The other sides equal 9cm also because a square has four equal sides.
L=9cm * W=9cm =A
A=81 cm
x + 2x - x - 1
- Substitute 2 for x into the expression.
(2) + 2(2) - (2) - 1
(2) + (4) - (2) - 1
- Solve from left to right.
- (2 + 4) - 2 - 1 = 6 - 2 - 1
6 - 2 - 1
- Solve from left to right.
- (6 - 2) - 1 = 4 - 1
4 - 1 = 3
<h3>Your answer is 3.</h3>
C) 12V2
12^2 + 12^2 = c^2
144 + 144 = 288
V288 = 12V2
Hi!
Given the ratio of boys to girls, which is 6/9, we can find the number of boys in a total of 75 students like this:
(6/9) * 75 = (6*75)/9 = 450/9 = 50
There are 50 boys.
Hope this helps!
Answer:
120 4-digit numbers.
Step-by-step explanation:
For the numbers to be divisible by 5 they must end in 5.
So the total number of first 3 digits of the 4-digit number are given by the
number of permutations of 3 from the numbers 1,2,3,4,6 and 7 (6 digits)
= 6P3
= 6! / (6-3)!
= 6*5*4
= 120.
