7(2x+5)=4x-9-x
14x+35=3x-9
11x = -44
x = -4
7(2*-4+5)=4*-4-9--4
7(-3)=-21
-21=-21. so it checks out and x = -4
Answer:
#2
63 questions correctly
Step-by-step explanation:
I hope this helps
15 questions 8 incorrect
15/8= 1.875
135/1.875= 72 incorrectly
135 questions- 72incorrectly= 63correct questions
Answer:
Formula of standard deviation = √Variance
Standard deviation = 1
Step-by-step explanation:
X-bar is the variance
Therefore, the answer would be
√X-bar
√1 = 1
!!
Answer:
96 ounces of lime
Step-by-step explanation:
12 ounces of lime to 10 ounces of water
80 ounces of water means the amount of water increased 8 times
so you have to increase the amount of lime 8 times as well
12 ×8 =96
Answer:
1.8
Step-by-step explanation:
2.6 - 0.8 = 1.8