(85 + 60) ÷ 2 = 72.5 Close to 71%
Answer: D - 71%
The first statement comes about because
a could be (say) 5
b could be (say) 6
Then c would be square root of 25 + 36 = 61 which is irrational.
I'm not sure of the wording of the second one. It reads like (5 + 6)^2 = 121 the two rationals added together make a rational number in my example. So I think that part is wrong. the second part is correct. For example sqrt(5) + sqrt(6) doesn't produce anything that is rational.
It doesn't have to. pi^2 + [cube root(10)]^2 does not produce anything rational and that is certainly not a perfect square. My first example shows that as well
I think the last one might be true.
Answer:
28 cents, 29 cents, The 14 oz bottle is the better buy.
Step-by-step explanation:
For part 1: Divide 3.98 ÷ 14.2. That equals 28 cents.
For part 2: Divide 9.98 ÷ 33.9. That equals 29 cents, one more than the other shampoo.
That means that shampoo 1 is the better buy
Hope this helps :)
-jp524
Consider ΔAQD. This triangle has the area
where H is the heigh drawn from the point Q to the side AD.
Note that the height H is also the height of the parallelogram. So the area of the parallelogram ABCD is
From these two statements you can conclude that
Now consider ΔDMQ. The ratio between the area of triangles DMQ and AQD is
Since you have that
and
Thus,
Answer: correct choice is B
$ 2372.50 is the final amount that Rachel will have to pay.