Answer:
f(9)=-2
Step-by-step explanation:
f(9)= -9+7= -2
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:
Ix - 950°C I ≤ 250°C
Step-by-step explanation:
We are told that the temperature may vary from 700 degrees Celsius to 1200 degrees Celsius.
And that this temperature is x.
This means that the minimum value of x is 700°C while maximum of x is 1200 °C
Let's find the average of the two temperature limits given:
x_avg = (700 + 1200)/2 =
x_avg = 1900/2
x_avg = 950 °C
Now let's find the distance between the average and either maximum or minimum.
d_avg = (1200 - 700)/2
d_avg = 500/2
d_avg = 250°C.
Now absolute value equation will be in the form of;
Ix - x_avgI ≤ d_avg
Thus;
Ix - 950°C I ≤ 250°C
6(a+3) = 18 + 6a
6(a+3)=6(3+a)
a+3=3+a
a-a=3-3
0a=0
<span>B. all real numbers</span>
