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slava [35]
3 years ago
5

Peter opens a new bookstore and pays the book publisher $3.00 for each book he buys from them. The amount Peter pays is given by

F (x) = 3x, where x is the number of books purchased.
Mathematics
1 answer:
melisa1 [442]3 years ago
7 0
F(x) = 3x ; where x is the number of books purchased.

x  f(x)
0    0
1    3
2    6
3    9
4   12
5   15

I saw this problem and the instruction was to graph the function and show the domain and range. 

The domain is all the x-values while the range is all the y-values.
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Deffense [45]
16 is going to be right
8 0
2 years ago
Read 2 more answers
THANK YOU , PLEASE INCLUDE EXPLANATION
frosja888 [35]

Remark

This will be a little late, but I'll answer it anyway. The more you see of the sine law, the clearer it will be.


Step One

Set up the sine Law.

\dfrac{Sin(x)}{12}=\dfrac{sin(75)}{22}


Step Two

Substitute values

Sin(x) = ??

sin(75) = 0.9659


\dfrac{Sin(x)}{12}=\dfrac{0.9659}{22}


Step Three

Cross multiply and Solve

22* Sin(x) = 12 * 0.9659

22* Sin(x) = 11.591 divide by 22

sin(x) = 11.591 / 22

sin(x) = 0.5269


Step Four

You have to know how to use the inverse of an angle to get the answer. I do it as my calculator would do it. If it doesn't work with yours, let me know.


x = sin^-1(0.5269)

2nd F

Sin^-1

(

0.5269

)

=

You should get 31.79 degrees.

5 0
3 years ago
Please solve 108 = 2X-4(2X-9)
Fynjy0 [20]
108=2x-4(2x-9)
108=2x-8x+36
108=-6x+36
-36         -36
72=-6x
72/-6=-6x/-6
-12=x
3 0
2 years ago
ABC is a tangent to the circle below. O is the centre of the circle. Work out the size of angle 0. Give reasoning to justify you
Delvig [45]

Answer:

Θ = 46°

Step-by-step explanation:

the angle between a tangent and a radius at the point of contact is 90° , so

∠ ABO = 90°

since OB = OD ( radii of circle ) then Δ BOD is isosceles and

∠ OBD = ∠ ODB = 22°

the exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

∠ AOB is an exterior angle of the triangle , then

∠ AOB = 22° + 22° = 44°

the sum of the 3 angles in Δ AOB = 180° , then

Θ + 44° + 90° = 180°

Θ + 134° = 180° ( subtract 134° from both sides )

Θ = 46°

6 0
1 year ago
. What's the common difference of the sequence 0, 5, 10, 15, 20, . . . ?
vichka [17]

Answer:

D. d = 5

Step-by-step explanation:

d = d² - d¹

= 5 - 0

= 5

d = d³ - d⁴

= 10 - 5

= 5

d = dⁿ - dⁿ-¹

6 0
2 years ago
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