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3 years ago

How do I do this question I am super confused

Mathematics

1 answer:

Mandarinka [93]3 years ago

8 0

Answer:

Step-by-step explanation:

The length of the rectangle is 6 inches shorter than the length of s, while the width of the rectangle is 1 inch longer than the length of s

Length of rectangle = s -6

Width of rectangle = s + 1

P rectangle = 2L + 2W or 2(L+W)

=> 2((s-6)+(s+1))

=> 2(2s-5)

=> 4s - 10

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Let R be the region bounded by the following curves. Let S be the solid generated when R is revolved about the given axis. Ifpo

steposvetlana [31]

The two curves $y=x$ and $y=x^{1/15}$ intersect at $x=0$ and $x=1$ , with $x^{1/15}\ge x$ over $0\le x\le1$ .

Washer method

$\displaystyle\pi\int_0^1\left(\left(x^{1/15}\right)^2-x^2\right)\,\mathrm dx=\pi\int_0^1\left(x^{2/15}-x^2\right)\,\mathrm dx=\pi\left(\frac{15}{17}-\frac13\right)=\boxed{\frac{28\pi}{51}}$

Shell method

We have $y=x^{1/15}\implies x=y^{15}$ . The curves $x=y$ and $x=y^{15}$ intersect at $y=0$ and $y=1$ , with $y\ge y^{15}$ over $0\le y\le1$ .

$\displaystyle2\pi\int_0^1y\left(y-y^{15}\right)\,\mathrm dy=2\pi\int_0^1\left(y^2-y^{16}\right)\,\mathrm dy=2\pi\left(\frac13-\frac1{17}\right)=\boxed{\frac{28\pi}{51}}$

6 0

4 years ago

Greg has 21 new magazines to read. Let M be the number of magazines he would have left to read after reading R of them. Write an

Rina8888 [55]

M = 21 - R is our equation. Plug your value of 12 into the equation for R.

M = 21 - 12.

M = 9.

Greg would have 9 magazines left after reading 12 of them

7 0

3 years ago

Can someone answer this

Nady [450]

Answer:

the third one from the top

Step-by-step explanation:

3 0

3 years ago

in Youngstown, the population reached 4420 people in 1993. in 1998 the population was 5600 residents. what was the population in

Julli [10]

5600 - 4420 = 1180....so there is a difference of 1180 in a period of (1998 - 1993) = 5 yrs.

1180/5 = 236 people per yr

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4 years ago

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IgorLugansk [536]

Answer:

First question: Choice A

second question:Choice D

Third question: Choice c

Fourth question: Choise b

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3 years ago