Answer:
1.125 h = 1h 7.5 min = 1 h 7 min 30 sec
Step-by-step explanation:
John makes 1/1.5 work per h.
His partner makes 1/4.5 work per h.
Together they make (1/1.5 + 1/4.5) = (3/4.5 + 1/4.5) = 4/4.5 work per h.
They will work
1 : 4/4.5 = 4.5/4 = 1.125 h = 1 h + 0.125 h = 1h + 0.125h*60min/1h =
=1h 7.5 min = 1 h 7 min 30 sec
130 ÷ 2 = 65
Check it to make sure.
2 × 65 = 130
65 and 2 can be multiplied to get 130.
It is 27/20 or another way to write it is 1 7/20 or 1.35
Answer:
(x+1)(x²-4x+1)
Step-by-step explanation:
f(x) = x³-3x²-3x+1
= (x³+1) - 3x (x+1)
= (x+1)(x²-x+1) - 3x(x+1)
= (x+1)(x²-x+1-3x)
= <u>(x+1)(x²-4x+1)</u>
<u />
** (x+1)(x²-4x+1) = (x+1)((x-2)² - 3)
= (x+1)((x-2)² - (√3)²)
= (x+1)(x-2-√3)(x-2+√3)
Answer:
- so 8 cubed (8 × 8 × 8) in standard form is: 512
- so 8 cubed (8 × 8 × 8) in exponential form is: 8³
Step-by-step explanation:
As we know that
The cube of any given number is that number times itself.
For example, 8 cubed, denoted by 8³ is equal to 8 × 8 × 8.
An exponent basically indicates the number of times we must multiply the base number. For example, to compute 8³, we multiply 3 three times (8×8×8).
- so 8 cubed (8 × 8 × 8) in standard form is: 512
- so 8 cubed (8 × 8 × 8) in exponential form is: 8³
