1 year ago

What is the measure of

1 answer:

5 0

I believe it’s the bottom option since both triangles are the same and a triangle is 180° and if you subtract 60° you’ll get 120°

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Consider the function f ( x ) = − 2 x 3 + 27 x 2 − 108 x + 9 . For this function there are three important open intervals: ( − [

Darya [45]

Answer:

A=3 and B=6

Step-by-step explanation:

Increasing and Decreasing Intervals of Functions

Given f(x) as a real function and f'(x) its first derivative.

If f'(a)>0 the function is increasing in x=a

If f'(a)<0 the function is decreasing in x=a

If f'(a)=0 the function has a critical point in x=a

As we can see, the critical points may define open intervals where the function has different behaviors.

We have

$f ( x ) = - 2 x^3 + 27 x^2 - 108 x + 9$

Computing the first derivative:

$f' ( x ) = - 6 x^3 + 54 x - 108$

We find the critical points equating f'(x) to zero

$- 6 x^3 + 54 x - 108=0$

Simplifying by -6

$x^2 -9 x +18=0$

We get the critical points

$x=3,\ x=6$

They define the following intervals

$(-\infty,3),\ (3,6),\ (6,+\infty)$

Thus A=3 and B=6

3 0

3 years ago

What is the measure of RCD in the figure below?

kompoz [17]

Ray CD cuts angle PCR in half.

PCD = 35 degrees.

So, RCD = PCD or 35 degrees.

8 0

3 years ago

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Find the angle with a tangent ratio of 0.9325. a. 77° b. 43° C. 13° d. 47°

Novay_Z [31]

Answer:

B = 43

Step-by-step explanation:

7 0

2 years ago

Jen has 1 chocolate bar she is sharing with her friend, Joe. Jen takes 2/3 of Joe’s piece. What’s Joe’s current piece?

lana66690 [7]

Answer:1/3

Step-by-step explanation:

If Jen has 1 chocolate bar means that he has 3/3 whole .If he gives 2/3 then he will be left with 1/3 part of the chocolate bar.

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2 years ago

Twelve times one-half of a number is thirty six. What is the number? a. 3 b. 6 C. 8 d. 18

sukhopar [10]

The number would be C- 6

7 0

2 years ago