Answer:
z= 5/14
Step-by-step explanation:
Let's solve your equation step-by-step.
5−2(3z+2)=−4(1−2z)
Step 1: Simplify both sides of the equation.
5−2(3z+2)=−4(1−2z)
5+(−2)(3z)+(−2)(2)=(−4)(1)+(−4)(−2z)(Distribute)
5+−6z+−4=−4+8z
(−6z)+(5+−4)=8z−4(Combine Like Terms)
−6z+1=8z−4
−6z+1=8z−4
Step 2: Subtract 8z from both sides.
−6z+1−8z=8z−4−8z
−14z+1=−4
Step 3: Subtract 1 from both sides.
−14z+1−1=−4−1
−14z=−5
Step 4: Divide both sides by -14.
−14z/ = -5
−14 -14
=5/14
z= 5/14
Answer:
Step-by-step explanation:
mean diameter = 206
variance = 6.25
standard deviation = √ variance
σ = √ 6.25 = 2.5
sample size n = 90
z = deviation from mean / (σ / √n)
= 0.3 / (2.5/ √90)
= .3 / .2635
= 1.1385
P value from the table = (.87 - .5 ) x 2
= .37 x 2 .
or 74 % .
Answer:
Yes, they do
Step-by-step explanation:
Because
6+8=14>9
6+9=15>8
8+9=17>6
Answer:
3.5 and -3.5
Step-by-step explanation:
The lines on the outside of n mean the absolute value (the distance from 0)
