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3 years ago

What's the end time of 2hours and 18 minutes?

Mathematics

2 answers:

tigry1 [53]3 years ago

7 0

2 hours 17 minutes, I think

Gemiola [76]3 years ago

5 0

2vhours and 18 minutes

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Which pair of functions have the same domain? A. F(x)= sin x and g(x) = tan x B. F(x) = cos x and f(x) = csc x C. G(x) = tan x a

EastWind [94]

Answer:

The correct choice is D

Step-by-step explanation:

The trigonometric functions, $\sin x$ and $\cos x$ are defined for all real numbers.

$\tan x=\frac{\sin x}{\cos (x)}$ , this function is not defined where $\cos x=0$ .

$\cot x=\frac{\cos x}{\sin (x)}$ , this function is not defined where $\sin x=0$ .

$\csc x=\frac{1}{\sin (x)}$ , this function is not defined where $\sin x=0$ .

For option A

The domain of $f(x)=\sin(x)$ is all real numbers.

The domain of g(x) =tanx is $x\ne \frac{(2n+1)\pi}{2}$

For option B

The domain of $f(x)=\cos(x)$ is all real numbers.

The domain of f(x) =csc(x) is $x\ne n\pi$

For option C,

The domain of G(x) =tanx is $x\ne \frac{(2n+1)\pi}{2}$

The domain of f(x) =cot(x) is $x\ne n\pi$

For option D;

The domain of f(x) =cot(x) is $x\ne n\pi$

The domain of f(x) =csc(x) is $x\ne n\pi$

3 0

4 years ago

Read 2 more answers

please help me.... A painting company charges $250 base plus $16 per hour. Another painting company charges $210 base plus $18 p

dem82 [27]

Basically its 250 + 16x = 210 + 18x where x = the number of hours doing the job.

Solving, we get 40 = 2x, x =20

The jobs has to be 20 hours long in order for their two painting jobs to be equally priced.

Hope this helped!

3 0

3 years ago

Pls help. I will mark BRAINLIEST

Grace [21]

The Answer should be Circle , Square

4 0

3 years ago

Plz answer quickly will mark brainless

den301095 [7]

Answer:

She must read more than 5 hours

Step-by-step explanation:

equation 12h+10>70

12h>60

h>5

So she must read more than 5 hours

(can I get brainliest now)

5 0

3 years ago

Read 2 more answers

Which of the following statement(S) are true of the discriminant?

lana [24]

Hello from MrBillDoesMath!

Answer: A, C, D

Discussion:

The solution of the quadratic equation ax^2 + bx + c = 0 is

x = ( -b +\- (b^2 - 4ac) ^ (1/2) ) /2a

The expression b^2 - 4ac is called the discriminant, occurs in the numerator of the solution, and also occurs inside a square root (called a radicand).

The question, while intelligible, should be stated more clearly.

Regards, MrB

5 0

3 years ago

Read 2 more answers