Answer:
86° Fahrenheit
Step-by-step explanation:
F=1.8C + 32
C=30°
Plugging into the formula:

The Fahrenheit for 30° Celsius using the given formula is 86° Fahrenheit.
Answer:
0.0000000000000000..00000000000000000000000
Step-by-step explanation:
The answer is 2.84 so the best estimate is 3.00<span />
Answer:
y= 5/2x - 5
Step-by-step explanation:
5x - 2y = 10
-5x -5x (Subtract both sides by 5x to leave y by itself)
-2y = -5x + 10
-2y/-2 = -5/-2 + 10/-2
(Divide both sides by -2 to leave y with no coefficient. -5/-2 = 5/2 because there are two negatives. 10/-2 = -5.
y = 5/2 - 5