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3 years ago

What is the measure of RCD in the figure below?

Mathematics

2 answers:

kompoz [17]3 years ago

8 0

Ray CD cuts angle PCR in half.

PCD = 35 degrees.

So, RCD = PCD or 35 degrees.

Crank3 years ago

6 0

Answer:

35 degrees.

Step-by-step explanation:

Triangles PDC and RDC are congruent ( By HL - The hypotenuse and one leg are equal).

Therefore m < RCD = 35 degrees.

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If that was reflected across the line y= -1 what would be the coordinates of the vertex c

Ilya [14]

Y doesn't change so it stays 3.
x will be 0, because the average of 0 and -2 is -1

6 0

3 years ago

The mosquito population is a function of rainfall, and can be approximated by the formula N(x)=−x3+45x2+1000 where x is the numb

KiRa [710]

Answer:

Therefore the population will be maximum when x=30 inches.

Step-by-step explanation:

Given that, the mosquito population is a function of rainfall and can be approximated by the formula

$N(x)= -x^3+45x^2+1000$

where x is the number of inches of rainfall.

$N(x)= -x^3+45x^2+1000$

Differentiating with respect to x

$N'(x)= -3x^2+90x$

Again differentiating with respect to x

$N''(x)=-6x+90$

Now we set N'(x)=0

$-3x^2+90x=0$

$\Rightarrow -3x(x-30)=0$

$\Rightarrow x=0,30$

$N''(0)=-6.0+90=90>0$

$N''(30)=-6.30+90=-90$

Since at x=30, N''(x)<0, So at x=30, N(x) has maximum value.

Therefore the population will be maximum when x=30 inches.

5 0

3 years ago

The graph shows how a motorboat travels around a lake. What does the graph most likely show?

kozerog [31]

D, it increases then goes at a constant speed

8 0

3 years ago

PLEASE HELP!!!!!!!! Just all of 2 and 4 PLEASE

alukav5142 [94]

Answer: question 2 b = $3.5992

question 2 c = $48.5892 or you can write $48.58

thats how much i know i dont know about the rest sorry

i will try them out and come back to you if i find an answer

Step-by-step explanation:

6 0

3 years ago

What is the answer to 47000 + 3000 x 40 =

Elis [28]

167,000

Step-by-step explanation:

47000 plus 3000 mutipled by 40 gives you your answer

7 0

2 years ago

Read 2 more answers