Answer:
A. Holly is correct. Repeating decimals are always rational numbers.
Step-by-step explanation:
Rational number is the subset of:
- Whole number (Positive integer + 0)
- Natural number
- Negative integers
- Fractions
- Decimals (Whether positive or not, whether terminating or non terminating)
Hope this helps ;) ❤❤❤
Answer:
11a. 15x + 6
11b. x + 8 < 16 or x + 8 - 16
12. 3x + 15 + 5x = 8x + 15
13. 7x + 31
Step-by-step explanation:
Im guessing you can make a ratio out of this, 20/2.5=x/1, 20=2.5x, x=8, so there was a degree change of 8 in one hour
Fastest method for calculating what percent of 900 is 18
Assume the unknown value is 'Y', and 18 of 900 can be written as:
Y =
18
900
By multiplying both numerator and denominator by 100 we will get:
Y =
18
900
x
100
100
=
2
100
Y = 2%
Answer: 2 percent of 900 is 18
If you want to use a calculator, simply enter 18÷900x100 and you will get your answer which is 2
Answer:
12 + 8k² + k³ - 9k⁴
Step-by-step explanation:
(8 + k³ - 6k⁴) + (4 - 3k⁴ + 8k²)
8 + k³ - 6k⁴ + 4 - 3k⁴ + 8k²
(8 + 4) + (8k²) + (k³) + (-6k⁴ -3k⁴)
(12) + (8k²) + (k³) + (-9k⁴)
12 + 8k² + k³ - 9k⁴
