Answer:
B. {x| x > 2 or x < -4}
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Step-by-step explanation:
Given
Required
Solve
Start by dividing both sides by 5
Find critical point of the inequality by changing the inequality to equality
Split the above expression
Make x the subject of formula in both
Check the intervals in between the critical points
Set: --- This works in the inequality
Set: --- This doesn't work in the inequality
Set: --- This doesn't works in the inequality
Set: --- This works in the inequality
<em>Hence, the solution is: {x| x > 2 or x < -4}</em>
Answer:
y = -2x/3 +3
Step-by-step explanation:
lets find the gradient first
(11/3 -7/3)/(-1-1) = -2/3
then find the equation by putting gradient and any relative coordinates from the table:
y - -1 = -2/3 ( x - 6)
y = -2x/3 +3
Answer:
x=2
Step-by-step explanation:
4x+6=x+12
-x -x
3x+6=12
-6 -6
3x=6
/3 /3
x=2
Answer:
The answer is (d) ⇒
Step-by-step explanation:
* To simplify the cube roots:
If its number then the number must be written in the form x³
then we divide the power by 3 to cancel the radical
If its variable we divide its power by 3 to cancel the radical
∵
∴
∵
∵
∴
∴
∴ The answer is (d)
First you simplify t/2.5=-5.2
Which is 0.4t=-5.2
Then we divide both sides by 0.4 which you get t=-13 as your answer so it's D