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mihalych1998 [28]
3 years ago
8

Find sin θ for θ = 30° HINT: Draw the corresponding special right triangle to find the trigonometric values.

Mathematics
1 answer:
kow [346]3 years ago
5 0

Answer: 1/2

do you have a unit circle?

Step-by-step explanation:

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in one study of smokers who tried to quit smoking with nicotine patch therapy 39 were smoking one year​
andrey2020 [161]

Answer:

Step-by-step explanation:

8 0
3 years ago
7. What is the slope of the line that passes through the pair of points (3, 8) and (9, 5) ? (1 point)
agasfer [191]
7. D
8. D
9. D
10.C

for 7 & 8 you use the equation
\frac{y2 - y1}{x2 - x1}
your points are (3,8) & (9,5)

so you plug the numbers in
y2= 5
y1=8

x2=9
x1=3
you subtract them get a fraction and that is your slope


9 & 10
use the equation
y - y1 = m(x - x1)
plug you numbers in for y1 and x2 m is your slope plug it in and that is your equation


5 0
3 years ago
Read 2 more answers
Use the given similar triangles to find the value of x<br> I need the answer fast please!!
Yuki888 [10]

Answer:

I believe the answer is x=7

Step-by-step explanation:

<em>3x</em> and<em> 4x-1 </em> are corresponding sides and so are <em>14</em> and <em>18</em>.

You cross multiply with the smaller triangle lengths at the top.

3x/(4x-1)= 14/18

Cross multiply to get

18(3x)= 14(4x-1)

54x=56x-14

Subtract 54x on the other side and add 14 to the other (or subtract 56x to the other side)

you get 14=2x and divide 14 by 2 to get x=7

8 0
3 years ago
If a= 3 -1 5 and b= 5 3 1
tiny-mole [99]

Answer:

det(A)=-det(B)

Step-by-step explanation:

We have two matrices A, and B.

Matrix B is obtained by swapping rows 1 and 3 of matrix A.

Whenever we swap rows in matrices, the determinants does not change but the sign changes.

Therefore

det(A)=-det(B)

Also no two rows of of both matrices are the same, therefore

det(A)≠0, and det(B)≠0

7 0
3 years ago
URGENT PLEASE HELP!! <br> What is the area of this polygon?
aleksandr82 [10.1K]

Answer:

50

Step-by-step explanation:

I think it's 50 because the length is 10 units long And the width is 5 units long and when you do area, you multiply the width times length.

6 0
2 years ago
Read 2 more answers
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