3x + 12 - 6x < -9
-3x +12 < -9
-3x < -21
x < 7
Answer:
C
Step-by-step explanation:
the square root of 1/4 is 0.5 which is positive, rational, and between 0 and 1
Let's solve for x.<span><span><span><span>3x</span>y</span>−<span>2x</span></span>=17
</span>Factor out variable x.<span><span>x<span>(<span><span>3y</span>−2</span>)</span></span>=17</span> Divide both sides by 3y-2.<span><span><span>x<span>(<span><span>3y</span>−2</span>)</span></span><span><span>3y</span>−2</span></span>=<span>17<span><span>3y</span>−2</span></span></span><span>x=<span>17<span><span>3y</span>−2</span></span></span>Answer:<span>x=<span>17<span><span>3y</span>−<span>2
</span></span></span></span>
Answer:
Read Explanation
Step-by-step explanation:
A standard devation of 15 means 68% of the norm group has scored between 85 (100 – 15) and 115 (100 + 15). In other words, 68% of the norm group has a score within one standard deviation of the average (100). Also, 95% of the norm group has an IQ score within two standard deviations of the average.
