Answer:
x = 2/9
Step-by-step explanation:
3x = 2/3
3*3x = 2
9x = 2
x = 2/9
Check:
3*2/9 = 2/3
6/9 = 2/3
Answer:
30 miles 90 miles
----------------- = -----------------------
1.5 hours 4 hours
the dashes between the number represents me making a fraction lol.
Decimal places mean we just start counting immediately after the decimal point, so:
2dp: 0.00
1dp: 0.0
Significant figures, we start counting starting at the first non zero number
So we start counting at the 9, therefore:
2sf: 0.00097
3sf: 0.000965
Two numbers that multiply to -240 and add to -1 are -16 and 15
-16 x 15 = -240
-16 + 15= -1
Hope this helps!
Answer:
35i - 2
Step-by-step explanation:
(7 + 20i) - (9 - 15i)
distribute
7 + 20i - 9 + 15i
combine like-terms
35i - 2
hope this helps :)
