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3 years ago

(URGENT) Can someone please help me with this? Thank you! :)

Mathematics

1 answer:

Murrr4er [49]3 years ago

7 0

The remainder theorem tells you that when you do synthetic division with the 6, the remainder will be the same value as when you evaluate the function with the value of 6. The answer is 15

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Find the area of the surface correct to four decimal places by expressing the area in terms of a single integral and using your

love history [14]

If we substitute $x=r\cos\theta$ and $y=r\sin\theta$ , we get $r^2=x^2+y^2$ , so that

$z=\cos(x^2+y^2)=\cos(r^2)$

which is independent of $\theta$ , which in turn means the surface can be treated like a surface of revolution.

Consider the function $f(t)=\cos(t^2)$ defined over $0\le t\le1$ . Revolve the curve $C$ described by $f(t)$ about the line $t=0$ . The area of the surface obtained in this way is then

$\displaystyle2\pi\int_C\mathrm dS=2\pi\int_0^1\sqrt{1+f'(t)^2}\,\mathrm dt$

$=\displaystyle2\pi\int_0^1\sqrt{1+(-2t\sin(t^2))^2}\,\mathrm dt$

$=\displaystyle2\pi\int_0^1\sqrt{1+4t^2\sin^2(t^2)}\,\mathrm dt\approx7.4144$

4 0

3 years ago

How do I solve this?

aev [14]

I need more information in order to solve it

3 0

3 years ago

Find mL 1 and mL 2.

lesantik [10]

Answer:

8. ∠1=118° ∠2=118°

9. ∠1=72° ∠2=108°

10. ∠1=127° ∠2=127°

Step-by-step explanation:

8. In this problem, 118° is corresponding to ∠1, meaning they are congruent. ∠2 is supplementary with ∠1, meaning that together, they equal 180°. So, to get ∠2, you must subtract 118° from 180°

9. In this problem, 72° is same side interior with ∠1, meaning they are congruent. ∠2 is supplementary with ∠1, so you do 180°-72°= 108°

10. In this problem, ∠1 is vertical angles with 127°, making them equal to each other. ∠2 is corresponding with 127°, making them also equal.

5 0

2 years ago

Please help me!! So confused? what's the answer??!!!

iris [78.8K]

Answer:

V = 113.04

Step-by-step explanation:

Volume of a sphere:

V = 4/3πr³

V = 4/3(3.14)3³

V = 4/3(3.14)27

V = 113.04

3 0

3 years ago

If 100 people get on a train at Liverpool station at 10:25 A.M, and 40 get off at London station at 11:06 A.M, how much is a cup

ddd [48]

Ummmmmmmmmm 1 dollar at mc Donalds

8 0

2 years ago