All of the used hardcover books at a yard sale are the same price Hugo paid 4.50 for 6 books explain how to find the unit price
of the books
1 answer:
Answer:
The unit price of the book is 0.75.
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Answer:
-3.5°F
Step-by-step explanation:
-23.8°F/6.8(hrs)= -3.5°F
Answer:
False, there are actually infinite solutions as these are parallel lines.
Step-by-step explanation:
![A=4r^2\pi \\r_1=4r \\A_1=4r_1^2\pi=4(4r)^2\pi=4\times16r^2\pi=16\times4r^2\pi=16A](https://tex.z-dn.net/?f=A%3D4r%5E2%5Cpi%0A%5C%5Cr_1%3D4r%0A%5C%5CA_1%3D4r_1%5E2%5Cpi%3D4%284r%29%5E2%5Cpi%3D4%5Ctimes16r%5E2%5Cpi%3D16%5Ctimes4r%5E2%5Cpi%3D16A)
The surface area is increased 16 times.
![V= \frac{4}{3} r^3\pi \\ \\r_1=4r \\ \\V_1=\frac{4}{3} r_1^3\pi=\frac{4}{3} (4r)^3\pi=\frac{4}{3} \times64r^3\pi=64\times\frac{4}{3} r^3\pi=64V](https://tex.z-dn.net/?f=V%3D%20%5Cfrac%7B4%7D%7B3%7D%20r%5E3%5Cpi%0A%5C%5C%0A%5C%5Cr_1%3D4r%0A%5C%5C%0A%5C%5CV_1%3D%5Cfrac%7B4%7D%7B3%7D%20r_1%5E3%5Cpi%3D%5Cfrac%7B4%7D%7B3%7D%20%284r%29%5E3%5Cpi%3D%5Cfrac%7B4%7D%7B3%7D%20%5Ctimes64r%5E3%5Cpi%3D64%5Ctimes%5Cfrac%7B4%7D%7B3%7D%20r%5E3%5Cpi%3D64V)
The volume is increased 64 times.
Can u be more specifc? Is there a figure that you can show us?
<span>9(2x --8) =5x-7
</span>step 1: simplify 18x - 72 = 5x - 7
23x = -79
step 2: solve it x = -3.43