width = x
length = 2x+8
area = l x w
x<span>(2x+8)</span>=120
<span><span>2<span>x^2</span>+8x−120=0 </span>
</span>
<span><span><span>x^2</span>+4−60=0 </span></span>
<span><span><span>(x+10)</span><span>(x−6)</span>=0</span>
</span>
<span><span>x=−10 and x=6 </span></span>
<span><span> width has to be a positive number</span></span>
Width = <span>6
</span> inches.
Answer:
Step-by-step explanation:
can be represented as and can be represented as . Therefore, the expression can be rewritten as:
The rule for multiplying two exponents with the same base is you add the exponents. For example:
We can use the same property to get:
which is just after you add the fractions
Answer:
C - 100% of 0.25
Step-by-step explanation:
This answer is basically the same as 25% of 100, just worded differently to confuse you.
25 is 1/4th of 100, so this should be the answer. :)
If you're curious of what the other answers amount to:
One hundredth of 250 = 2.5
50% of 5 = 2.5
40% of 1 = 0.4