Answer:
a^2-1
Step-by-step explanation:
(a+1)(a-1)
=a^2-1
Answer to the example is 1.3 repeating
Step-by-step explanation:
The number we divide by is called the divisor. To divide decimal numbers: Multiply the divisor by as many 10's as necessary until we get a whole number. Remember to multiply the dividend by the same number of 10's.
Answer:
3 1/2 cups of flour
Step-by-step explanation:
I used this equation:
2.5/5 = x/7
Then I cross multiplied:
2.5 * 7 = 5x
After I found out that x = 3 1/2
Answer:
219 Seconds ; He was 1 second faster
Step-by-step explanation:
Two halfs equal one whole, meaning both of the times added will equal the full time he took:
95+124=219
219 Seconds
He was 1 second faster because:
219-218=1
Answer:
sec(theta)=1/cos(theta)
Step-by-step explanation:
sec(theta)=1/cos(theta)
