1. Cross multiply
35x = 5(11)
35x = 55
Divide both sides by 35
x = 55/35
x = 11/7

2. (x - 2)/x = 3/8
Cross multiply
3x = 8(x - 2)
3x = 8x - 16
Subtract 8x from both sides
-5x = -16
divide both sides by -5
x = -16/-5
x = 16/5 OR 3 1/5

3. (a + 1)/(a - 1) = 5/6
cross multiply
6(a + 1) = 5(a - 1)
distribute
6a + 6 = 5a - 5
subtract 5a from both sides
a + 6 = -5
subtract 6 from both sides
a = -11

4. (1/3)x - 4 = (2/3)x + 6
multiply each term by 3 to clear the fractions
x - 12 = 2x + 18
subtract x from both sides
-12 = x + 18
subtract 18 from both sides
-30 = x

3 0

4 years ago

No pic/link just type answer pls.

Genrish500 [490]

Answer:

This problem requires you to use the equation for the volume of a cone. The equation is $\pi r^{2}\frac{h}{3}$ . Plug in the corresponding numbers to solve the equation. The equation should be $\pi (3\frac{3}{16})^{2} \frac{9\frac{3}{4} }{3}$ . Simplify the equation to get 103.74 $in^{3}$ .

7 0

3 years ago

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