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lions [1.4K]
3 years ago
14

Question 14(Multiple Choice Worth 5 points)

Mathematics
2 answers:
avanturin [10]3 years ago
8 0

Answer:

negative pi divided by 6 + (2n + 1)π) or (-1, negative

ddd [48]3 years ago
7 0

Answer:

Find all polar coordinates of point P where P = (5 , -pi+%2F6 ).

There are two sets of possibilities.

(1) Same (positive) magnitude and an angle that is the same as the given angle, or differs from the given angle by an even multiple of pi:

P = (5, -pi%2F6%2B2n%2Api )

(2) Opposite (negative) magnitude and an angle that differs from the given angle by an odd multiple of pi:

(-5, -pi%2F6%2B%282n%2B1%29pi)

answer is: (5,-pi%2F6+%2B+2n%2Api) or (-5, -pi%2F6%2B%282n%2B1%29pi)

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Enter your answer as a number like this:42
NeX [460]
Im not sure if its y=19
y= 6(5)-11
y=30-11
y=19
3 0
3 years ago
A recipe says to use 3 cups of flour to make 48 cookies. What is the constant of proportionality that relates the number of cook
tatuchka [14]
1 cup of flour makes 16 cookies
7 0
2 years ago
Read 2 more answers
F(-3) = 2x^2 + 2 - how do i solve
irakobra [83]

Answer:

20

Step-by-step explanation:

f(x)=2x^{2} +2\\f(-3)=2(-3)^{2} +2\\f(-3)=2(9)+2 = 18 + 2 = 20

7 0
3 years ago
Distance between parallel lines y=3x+10 and y=3x-20
Alecsey [184]

1. Take an arbitrary point that lies on the first line y=3x+10. Let x=0, then y=10 and point has coordinates (0,10).


2. Use formula d=\dfrac{|Ax_0+By_0+C|}{\sqrt{A^2+B^2}} to find the distance from point (x_0,y_0) to the line Ax+By+C=0.


The second line has equation y=3x-20, that is 3x-y-20=0. By the previous formula the distance from the point (0,10) to the line 3x-y-20=0 is:

d=\dfrac{|3\cdot 0-10-20|}{\sqrt{3^2+(-1)^2}}=\dfrac{30}{\sqrt{10}}=3\sqrt{10}.


3. Since lines y=3x+10 and y=3x-20 are parallel, then the distance between these lines are the same as the distance from an arbitrary point from the first line to the second line.


Answer: d=3\sqrt{10}.

4 0
3 years ago
A recipe for a smoothie calls for 0.75 pound of strawberries. If Kerry has 31.5 pounds of strawberries, how many batches of the
vodomira [7]

42 batches. 31.5 divided by .75 = 42.

5 0
3 years ago
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