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3 years ago

Can anyone help me please?

Mathematics

1 answer:

GenaCL600 [577]3 years ago

8 0

Answer:

yes i can help you with all the time

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Arithmetic of Functions Problem:

timurjin [86]

Answer:

option B is correct, i.e. (f+g)(x) = x² + 3x - 5.

Step-by-step explanation:

Given f(x) = 3x + 1.

Given g(x) = x² - 6.

To find (f+g)(x).

The rule of Arithmetic of functions is:- (f+g)(x) = f(x) + g(x).

(f+g)(x) = (3x+1) + (x²-6).

(f+g)(x) = x² + 3x + 1 - 6.

(f+g)(x) = x² + 3x - 5.

Hence, option B is correct, i.e. (f+g)(x) = x² + 3x - 5.

4 0

3 years ago

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Can someone please help with number 10? Will give brainliest to best answer!

lions [1.4K]

I sent a picture showing how to do it.

6 0

3 years ago

If 3x - 1 = 11, what is the value of x2 + x?

Alex

3x -1 = 11
3x = 11 + 1
3x = 12
x = 4
I take it by, x2 + x, you mean 2x + x, since x = 4, then
2x + x = 2(4) + (4) = 8 + 4 =12

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3 years ago

HELP ME PLZZZZ!!!!!!!!!!!!!!!!!!

Alekssandra [29.7K]

the radius of the distance between the middle point of the circle and the outside, we have the diameter which is 6 so the radius will be 3

slant height is

$\sqrt{r^2+h^2}$

h is 4.7 and r is 3

$\sqrt{3^2+4.71^2} \\5.58427$

slant height is 5.58427

lateral surface area

$\pi r\sqrt{h^2+r^2}$

$\pi (3)\sqrt{4.71^2+3^2} \\52.63053$

lateral surface area is 52.63053

total surface area

$\pi r(r+\sqrt{h^2+r^2})$

$\pi 3(3+\sqrt{4.71^2+3^2})$

$80.90486$

total surface area is 80.90486

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2 years ago

A famous mathematician and physicist named Archimede was born in 287 B.C. Write an integer to express the year of his birth.

il63 [147K]

-287 A.D (idk though)

8 0

3 years ago

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