MATHEMATICS MIDDLE SCHOOL

Which is equivalent to sin-1(–0.4)? Round your answer to the nearest hundredth of a radian.

Answers

Answer 1
Answer:

Answer:

-0.41 radians

Step-by-step explanation

(Credit goes to calculista)

let

A---> the angle

if sin A=-0.4

then 

A=sin-1(-0.4)

using a calculator

A=-23.578°----> the angle A belong to the IV quadrant

convert to radians

if pi radians--]----> 180°

x--------> -23.578°

x=-23.578*pi/180----> x=-0.41 radians

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Answer 2
Answer:

Answer:

C. –0.41

Step-by-step explanation:

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What is y in 5/6y=12

Answers

juss do the opposite. 
12 ÷ 5/6 = 72/5
sooo then you juss plug that into y.
5/6 * 72/5 = 12 :)

Which represents this word phrase?Five more than the product of x and 6

A. ( x + 6) + 5
B. 5x + 6
C. 5(x+6)
D. 6x + 5

Answers

A. I can explain later if you want me to  
Would have to be D.
because 5 more would be 5 + and the product of x and 6 would be 6x... Therefore it's 5 + 6x

What's above sea level -85.6 or 87.9

Answers

A negative number is above sea level so its ( -85.6 )
87.9
it is greater than 0, which is the sea level.
Also, -85.6 is a negative number, which is below 0.

If eight apples cost the same as four bananas, and two bananas cost the same as three cucumbers, how many cucumbers can Tyler buy for the price of 16 apples?

Answers

Answer:

12

Step-by-step explanation:

Answer:6

Step-by-step explanation:because every 8 apples =3 cucumbers so 8 times 2 =16 so 3 times 2 =6

Multiply.

Express your answer in lowest terms.

1/6 x 5/7 = ?/?

Answers

The answer to this question is (1)/(6)×(5)/(7) = (5)/(42).
(5)/(42) can't be simplified because there is no same number that can divide numerator and denominator.

How do I simplify:S=2 Pi r squared + 2 Pi r h

Then how do I make h the subject

Then what is the value of h if S=50 and r=3

Thanks

Answers

S=2\pi r^2+2\pi rh\n\n2\pi rh+2\pi r^2=S\ \ \ \ \ \ |subtract\ 2\pi r^2\ from\ both\ sides\n\n2\pi rh=S-2\pi r^2\ \ \ \ \ \ \ |divide\ both\ sides\ by\ 2\pi r\n\n\boxed{h=(S-2\pi r^2)/(2\pi r)}\n\nS=50;\ r=3\n\n\boxed{h=(50-2\pi\cdot3^2)/(2\pi\cdot3)=(50-2\pi\cdot9)/(6\pi)=(50-18\pi)/(6\pi)} < 0-no\ sense\n\nI\ think...\ S\ not\ equal\ 50!!!
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