MATHEMATICS HIGH SCHOOL

How Do I convert 3pi/4 to degrees?

Answers

Answer 1
Answer: Multiply (3pi/4) by (180/pi), the angle in degrees is 135 degrees.

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Find the sum of 5m + 3n + p, -5p + 3n, and 2n - m.-4m + 8n - 4p4m + 8n + 4p4m - 8n - 4p4m + 8n - 4p

Find the absolute value of the complex number -3 - 6i.a.
6.07
c.
6.7
b.
6.17
d.
6.71


Please select the best answe

Answers

Answer: 6.71


Explanation:


1) The absolute value of a complex number a + bi is √ [ (a)² + (b)²]

2) The given number - 3 - 6i is equivalent to (-3) + (-6)i, so you see that a = -3 and b = - 6.

3) Therefore, the absolute value is √ [ (-3)² + (-6)² ] = √ [ 9 + 36] = √(45) ≈ 6.708 ≈ 6.71

A polygon is shown: The area of polygon MNOPQR = Area of a rectangle that is 9 square units + Area of a rectangle that is square units.

Numerical Answers Expected!
(Input only whole numbers example: 8)

Answer for Blank 1:_____

Answers

if your asking for the blank number on the right side or dotted left side of the rectangle than your answer is 1! if your wondering the area thats 15! since 3x3 is 9 6x1 is 6 6+9 15

What is the solution to 3x^2 + 4x + 8 = 0?A) x = -4 ± 4√5

B) x = 2 ± 2√5 / 3

C) x = -4 ± 4√5 / 6

D) x = -2 ± 2i√5 / 3

Answers

the dddee Mr DC HD d zar

Factor the four-term polynomial.pq - 3r + pr - 3q.

(p - 3)(q + r)
(p - r)(q + 3)
(p + 3)(q - r)

Answers

Hello,

pq-3r+pr-3q=pq-3q+pr-3r=q(p-3)+r(p-3)=(p-3)(q+r)

Answer A

Larry and Cathy study for a total of 24 hours each week. Larry studies 3 less than twice the hours than Cathy studies. How many hours does Cathy study per week?

Answers

Answer:

ᎪꪀsωꫀᏒ

9 hours Cathy study per week

Step-by-step explanation:

=> according to the question

➪ x+2x-3=23

➪ 3x-3=24

➪ 3x=24+3

➪ 3x=27

➪ x= 27/3

➪ x= 9
  • Let Cathy studies x hours
  • Larry studies 2x-3hours

ATQ

\n \sf\longmapsto x+2x-3=24

\n \sf\longmapsto 3x-3=24

\n \sf\longmapsto 3x=24+3

\n \sf\longmapsto 3x=27

\n \sf\longmapsto x=9

To get from the post office to the library, Sindy walked due north and then due east. The distance Sindy walked east is 20 meters more than the distance she walked north. If Sindy were able to walk directly from the post office to the library in a straight line, she would have walked 150 meters. Suppose x represents the distance Sindy walked north. Which equation can be used to find x?x^2 (x 20)^2=150^2
202=x^2-150^2
x (x 20)=150
x^2 (x 150)^2=20^2

Answers

Answer:

x² + (x + 20)² = 150²

Step-by-step explanation:

Sindy walked x meters in north and then x+20 meters toward east. If Sindy were able to walk directly from the post office to the library directly in a straight line, the distance she would have walked 150 meters.

Thus Sindy forms a right angle triangle as in the figure attached.

From Pythagoras theorem

x² + (x + 20)² = 150²

This is the equation we can use to find x.

Technically, none of the equations.

The equation you're looking for would be:

x²+(x+20)²=150²
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