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Georgia [21]
3 years ago
9

What graph is produced from the following function: f(x)= 1/4x

Mathematics
2 answers:
kvv77 [185]3 years ago
8 0

Answer:

  see below

Step-by-step explanation:

The graph is of all the points such that y is 1/4 of x. So, for x=4, y=1, for example. Similarly, for x=-4, y=-1.

These, (4, 1) and (-4, -1), are two points on the graph, which is a straight line through those points and through the origin. The graph extends to infinity to the lower left and the upper right. A portion is shown below.

n200080 [17]3 years ago
5 0

Answer:

Step-by-step explanation:

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Prove that sin20sin40sin60sin80=3/16
never [62]
We'll use the following properties of sine and cosine to prove this:

sin(a)\cdot sin(b) = \frac12(cos(a-b) - cos(a+b))

cos(a)\cdot cos(b) = \frac12(cos(a+b) + cos(a-b))

cos(180+a) = cos(180-a)

Then it's just a matter of filling it in...

sin20sin40 * sin60sin80 = 1/2(cos20 - cos60) * 1/2 (cos20 - cos140) =

1/8( cos40 + 1 - cos160 - cos120 - cos40 - cos80 + cos80 + cos200) =

1/8(1 -  cos160 - cos120 + cos200) =

1/8(1 -  cos160 - cos120 + cos160) =

1/8(1 - cos120 ) = 1/8( 1 + 1/2 ) = 3/16

5 0
4 years ago
A salesperson sells $2200 in merchandise and earns a commission of $286.
Elza [17]

Answer:

13%

Step-by-step explanation:

Commission rate = commission / value sold

= 286/2200

= 13%

8 0
3 years ago
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Help with this proof
musickatia [10]
AD = DB

Angle ADE = Angle CDB

Angle DAE = Angle DBC (Alternate angles)

Angle DEA = Angle DCB (Alternate angles)

Since you have two congruent angles and one congruent side, triangle ADE is congruent to triangle CDB. This means that DE is congruent to DC implying D is the midpoint of CE.
6 0
3 years ago
I am a factor of 12. the other factor is 3. what number am i
timama [110]

The factor of 12 is (3*4)

So, you are 4

3 0
4 years ago
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What is the first quartile of this data set
adelina 88 [10]

Answer:

C:12

Step-by-step explanation:

should be 13.5

The first quartile (Q1) is defined as the middle number between the smallest number and the median of the data set.

so the middle number of 10,11,12,15,17,19 is 13.5   since 12+15=27/2=13.5

the closest answer choice is C! Hope this helped!

3 0
3 years ago
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