4X+60=640
4X=640-60
4X=580
X=580/4=145
Answer:
B
Step-by-step explanation:
I don't want to do the work but It doesn't look like you need it so I'm good Also why did you ask a different question than in your picture
-2/5n=-30n
multiply both sides by -1 sinc I don' like negatives
2/5n=30n
multipl yboth sides by 5/2
1n=150/2n
n=75n
this is obviously false, the only number that would work is 0 since 0 =0 times 75
n=0
Answer:
Scalene triangle
Step-by-step explanation:
A scalene triangle is a triangle with three different side lengths and angle measures. Since none of the side lengths are the same length, then none of the angle measures are the same either leading the correct answer to be scalene.
Answer:
d = 7.2
Step-by-step explanation:
12 + d = -4.8
subtract 12 from both sides and you get
d = 7.2
