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3 years ago

. Simplify the following expression by combining like terms: 3a + 6ab + 9ab + 3(a + ab)

Mathematics

2 answers:

Alisiya [41]3 years ago

7 0

Answer:

6a+18ab

Step-by-step explanation:

hope this helps

gladu [14]3 years ago

3 0

Answer:

6a+18ab

I think is correct

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The graph of an inverse trigonometric function passes through the point (1, pi/2). Which of the following could be the equation

rodikova [14]

Answer: C) $y=sin^-1 x$

Step-by-step explanation:

Since, the graph of an inverse trigonometric function will pass through the point $(1,\frac{\pi}{2})$ ,

If this point satisfies the function,

For the function $y=cos^{-1} x$

If x = 1

$y=cos^{-1}1=0$

Thus, $(1,\frac{\pi}{2})$ is not satisfying function $y=cos^{-1} x$ ,

⇒ The graph of $y=cos^{-1} x$ is not passing through the point $(1,\frac{\pi}{2})$

For the function $y=cot^{-1}x$

If x = 1

$y=cot^{-1}1=\frac{\pi}{4}$

Thus, $(1,\frac{\pi}{2})$ is not satisfying function $y=cot^{-1}x$ ,

⇒ The graph of $y=cot^{-1}x$ is not passing through the point $(1,\frac{\pi}{2})$

For the function $y=sin^{-1} x$

If x = 1

$y=sin^{-1}1=\frac{\pi}{2}$

Thus, $(1,\frac{\pi}{2})$ is satisfying function $y=sin^{-1} x$ ,

⇒ The graph of $y=sin^{-1} x$ is passing through the point $(1,\frac{\pi}{2})$ .

For the function $y=tan^{-1}x$

If x = 1

$y=tan^{-1}1=\frac{\pi}{4}$

Thus, $(1,\frac{\pi}{2})$ is not satisfying function $y=cos^{-1} x$ ,

⇒ The graph of $y=tan^{-1} x$ is not passing through the point $(1,\frac{\pi}{2})$ .

Hence, Option C is correct.

3 0

3 years ago

Brainers, please help me

Jet001 [13]

-2 4/6 ÷ -2/3=

-16/6 * -3/2=48/12= 4

3 0

3 years ago

Due in 1 minute please help I-ready

olasank [31]

Answer:

29 1/3

Step-by-step explanation:

All I did was 1760/60 and got that! I hope its right and I hope this helps!!

7 0

3 years ago

Please help me on this i will give you brainliest

stealth61 [152]

We know that the angles of a straight line equal 180 degrees and also the sum of all angles in a triangle equals 180 degrees, therefore you can determine x = 38

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3 years ago

Quadrilateral OPQR is inscribed in circle N, as shown below. Which of the following could be used to calculate the measure of ∠R

Katen [24]

Answer:

Step-by-step explanation:

8 0

4 years ago

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