MATHEMATICS MIDDLE SCHOOL

One radian is the exact same measure for all circles?
true or false

Answers

Answer 1
Answer:

The answer is True.

One radian is the central angle that subtends an arc length of one radius (s = r). Since all circles are similar, one radian is the same value for all circles. The arc measure of the central angle of an entire circle is 360º and the radian measure of the central angle of an entire circle = 2π.

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What number is 70% of 45

Answers

x-\ number\n\n(x)/(45)*100\%=70\%\n\n(x)/(45)=0.7\ \ \ | multiply\ 45\n\nx=31.5\n\n31.5\ is\ 70\%\ of\ 45.
70% of 45 
= 0.7 x 45 
= 31.5

Which number has a 3 with a value of the 3 in 3.01

Answers

ones place is the value of 3 in 3.01
The ones value has a value of 3.

19 What is the product of the complex number 2 +and the complex number 3 - 2
A 5 + 58
B 6 - 140
C. 20
D. 20+ 171
E -8 + 171

Answers

Answer:

mhm its c

Step-by-step explanation:

Simplify 4x+6(3x- 2)

Answers

The first thing we are going to do is distribute:
=4x+(6)(3x)+(6)(−2)
=4x+18x+−12
Second thing we are going to do is Combine Like Terms:
=4x+18x+−12
=(4x+18x)+(−12)
And your final answer is:
22x+−12
I hope this helps you! :)
Hi There i'm sorry i was looking at the wrong question,

Answer:22x−12

In the figure, the measure of angle 7 is 57°. What is the measure of angle 8?

Answers

Answer: The measure of angle 8 is  123° .

Step-by-step explanation:

Since we have given that

m∠7 = 57°

we have two lines intersecting each other at one point forming angles ∠7, ∠8, ∠5, ∠6.

So, Relation between ∠7 and ∠8 is linear pair.

And we know that ,

\angle 7+\angle 8=180\textdegree\n\n57\textdegree+\angle 8=180\textdegree\n\n\angle 8=180\textdegree-57\textdegree\n\n\angle 8=123\textdegree

Hence, the measure of angle 8 is  123° .
Angle (6) + Angle (7) = 180

Angle (6) + 57 = 180

Angle (6) = 180 - 57

Angle (6) = 123

------------

Angle (6) = Angle (8)

-----------

Therefore:

Angle (8) = 123 degrees

What do you have to divide by to get from 60 to 50??

Answers

60:50=(60)/(50)=(6)/(5)=\boxed{1(1)/(5)\ or\ decimal\ form\ 1(1\cdot2)/(5\cdot2)=1(2)/(10)=1.2}

I don't know.  Let's calculate it together:

60 divided by (the number) = 50

Multiply each side by (the number) :

          60 = (the number) x 50

Divide each side by  50 :

         60 / 50 = The number

         60/50 = 6/5 = 1.2


 
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