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Evgesh-ka [11]
2 years ago
8

KA AGAIN ( 2 pdfs) correct answers only

Mathematics
2 answers:
Nat2105 [25]2 years ago
5 0

Answer:

the answer is B

Step-by-step explanation:

Hope this helps

Reil [10]2 years ago
4 0

Answer:

B

Step-by-step explanation:

To find the constant of proportionality between y and x, divide  \frac{y}{x} for all given values of the chart. If you get the same number, then that is the constant. If they are all different numbers, then one does not exist for that function.

Using the method above, you should get:

Chart A = 2/5

Chart B = 1/5 (Correct Answer!)

Chart C = N/A

Hope this helps!

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A parabola can be represented by the equation y2 = –x. What are the coordinates of the focus and the equation of the directrix?
Vilka [71]
(y-k)²=4p(x-h)
(h,k) is vertex
and since we got the y term squred, it is facing left or right
when p is positive, then focus is to right of veretx
p is distance from focus to vertex and from vertex to dirextix

y²=-x
(y-0)²=4(-1/4)(x-0)
vertex is (0,0)
p is negative so then focus to left of vertex
so the focus is (-1/4,0)
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8 0
2 years ago
Read 2 more answers
Gabriele's Pie Shop sold 80 pies last month: 7/10 were apple pies and 1/10 were peach pies. How many pies were neither apple nor
AleksAgata [21]

Answer:

16 pies were neither apple nor peach.

Step-by-step explanation:

8/10, or 4/5 of the 80 apple pies were either apple or peach, which 4/5 of 80 is 64. The remaining pies will be neither apple nor peach. 80 - 64 = 16.

7 0
2 years ago
Determine the graph of the sinusoid with amplitude of 4 and period of 2π/3
DiKsa [7]

Answer:

Option b.

y = 4 sin (3x)

Step-by-step explanation:

To quickly solve this problem, we can use a graphing tool or a calculator to plot the equation.

Please see the attached image below, to find more information about the graph

The period is  

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This means the frequency in radians is

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The equation is either:

y = 4 cos(3x)

y = 4 sin (3x)

The correct answer is

Option b.

y = 4 sin (3x)

3 0
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Answer:hahahha

Step-by-step explanation:

Ima just type to get points lol

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