1. 6+n
2. n/2
3. n/4
4. seven less than a number
Answer:
3|x|
Step-by-step explanation:
√(x^2) = |x|, the positive root. Multiplying this by 3, you get ...
3√(x²) = 3|x|
Answer:
-9/10
Step-by-step explanation:
w-1/2=-2/5
w=-2/5-1/2
w=-4-5/10
w=-9/10
<span>Let us denote with w the width of the doghouse, and with l the length.
</span>We know that the length of the base is 7 inches more than its width. So, we can write: l=w+7<span>
Area of a rectangle can be calculated with the formula:
area=width*length
In our case, the are of the doghouse is:
area=l*w=(w+7)*w=w^2+7w
</span>Molly wants the area of the base to be at least <span>375 square inches, so we can write:
</span>w^2+7w<span>≥</span><span>375
</span>
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Below is the solution:
<span>sweeping the triangular end thru the length:
V = (1/2) (8ft) (7ft) (12ft)
V = </span><span>328 ft3 </span>