Answer:
x=51.9
Step-by-step explanation:
sin x = 7.4/9.4
sin x= 0.787
sin^-1(0.787)=x
x=51.9
Answer:the Answer is a
Step-by-step explanation:
Answer:
65, 112
Step-by-step explanation:
Step-by-step explanation:
Part 1: 4x + 7 = 3(2x - 5)4x+7=3(2x−5)
4x+7=6x-154x+7=6x−15
7=6x-15-4x7=6x−15−4x
7=2x-157=2x−15
7+15=2x7+15=2x
22=2x22=2x
22=2x / 222=2x/2
x=11x=11
Part 2: Sam is not correct because he messed up the second step. He added 2x on both sides to get 7x, instead he should have subtracted.
1.
a. 60kg, 60g, 60cg, 60mg
b. 60mg, 60 cg, 60g, 60kg
2.
a. 7000m, 70m, 7m, 0.7m
b 0.7m, 7m, 70m, 7000m
3.
a. 20 daL, 400 ml, 60 L, 5cL
b. 5 cL, 60 L, 400 ml, 20 daL
hope this helps :)