Hi!
1. -25
2. 22
3. 0
4. -34.5
hope this helps!
Answer:
-15 < x < -5
Step-by-step explanation:
-3 < x/5 < -1
Multiply all sides by 5
-3*5 < x/5 *5 < -1*5
-15 < x < -5
Answer:
7.527
Step-by-step explanation:
We know that 78% of the bar is gold and the total weight is 9.65 ounces. Just multiply the total weight by 78%.
9.65(0.78)= 7.527
Answer:
5√8, √170, 5/8, 0.62
Step-by-step explanation:
5√8 = 14.1
√170 = 13.03
5/8 = 0.625
0.62 = 0.62
Answer: z(99) = (99-98.2)/0.62 = 1.2903
P(x < 99) = P(z < 1.2903) = 0.9015 = 90.15%ile
