1: 13.75 = 0.25b+ 0.50
2: 10w+4w= -84
Answers and explanation
1 answer:
1. 13.75= 0.25b +0.50
-0.50 -0.50
13.25 = 0.25b; divide both sides by 0.25 to isolate b and you get:
53 = b
2. 10w + 4w = -84
Add like terms!
14w = -84; divide both sides by 14 to isolate w and you get:
w = -6
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Answer:
11 minutes
Step-by-step explanation:
Because she types only 140 words in 4 minutes so if you add
140+140=280
if you divide
140/4 you get 35
so every minute she types in 35 words. So multiply
11 times 35 and you exactly get 385.
To help you with it, plug-in 15 in each equation and see what you get!
Y=2x+2
.......................
60° because its not hafe evin and 90° is hafe so its 60°
X = arcsin (1/2) = 30 degrees
