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Mathematics

1 answer:

Eva8 [605]3 years ago

7 0

The answer is p - 4 since he did 4 more problems then him and we don’t know how many p is it’d have to be p-4

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Given the equation Square root of 2x plus 1 = 3, solve for x and identify if it is an extraneous solution. x = 4, solution is ex

Darya [45]

$\text{The domain:}\\2x+1\geq0\to 2x\geq-1\to x\geq-0.5\\\\D:x\geq0.5\to x\in\left\ \textless \ 0.5;\ \infty\right)\\\\\sqrt{2x+1}=3\ \ \ \ |\text{square both sides} \\2x+1=3^2\\2x+1=9\ \ \ |-1\\2x=8\ \ \ \ |:2\\x=4\in D\\\\\text{Answer: x =0, solution is not extraneous}.$

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3 years ago

Read 2 more answers

a right circular cylinder with a diameter of 14 inches and a height of 10 inches has a volume in cubic inches of which of the fo

Kaylis [27]

Answer:

Answer is 1540 cubic inches 

You may use pie equals 3.14

Step-by-step explanation:

$given \: shape \: is \: a \: cylinder \\ diameter \: = 14 \: inches \\ radius \: = \frac{14}{2} = 7 \: inches \: \: ( r)\\ height = 10 \: inches \: \: \: \: (h) \\ volume \: of \: cylinder = \pi {r}^{2} h \\ = \pi {(7)}^{2} \times 10 \\ = \frac{22}{7} \times {(7)}^{2} \times 10 \\ = 22 \times 7 \times 10 \\ = 1540 \: cubic \: inches$