ANSWER: a=12 b=15
Explanation: (look at work below)
4a + 1b = 63 (eq1)
5a + 3b = 105 (eq2)
-12a + -3b = -189 (subt. eq1 from eq2)
————————-
-7a = -84
a = 12
4(12) + 1b = 63 (plug in the a value)
48 + 1b = 63
b = 15
Answer:
15 dollars
Step-by-step explanation:
Total Bill = Cost of the Meal + tip
Total Bill = 100 + 15/100 * 100
Total Bill = 115
So the tip is 15 dollars.
Answer:
Step-by-step explanation:
hello :
(5y + 6)2 = 24 means : 5y+6 = √24 or 5y+6 = - √24
5y = - 6+√24 or : 5y = - 6-√24
y = (- 6+√24)/5 or y = (- 6-√24)/5
Answer:
2 1/2 is the answer
Step-by-step explanation:
Hope this Helps! :)
Ok is easy first it takes 10mm =1cm 100cm=1m 1000mm=1km so you do 1.5 divided by 1000km=.0015 km so your answer is .0015km