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Olegator [25]
2 years ago
11

CIRCLE THEOREM (CHECK PHOTO)

Mathematics
1 answer:
jok3333 [9.3K]2 years ago
8 0
N=80 the correct answer during
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What is the quadratic function of this graph. Any form is fine!
Komok [63]

Answer:

y=-0.012x(x-200).

Step-by-step explanation:

1) the given parabola has two zeros: 0 and 200. It means, the required equation is: y=ax(x-200), where a - unknown number;

2) according to the given graph the vertex is (100; 120). It is possible to substitute the coordinates of it into the equation y=ax(x-200) and calculate the value of 'a':

120=a*100(100-200); ⇒ a=-0.012.

3) finally, the required equation is:

y=-0.012x(x-200).

5 0
2 years ago
Evaluate each expression. 3^-2
Rus_ich [418]
9 is the answer negatives cancel out creating positve
7 0
3 years ago
Read 2 more answers
Four friends buy cinema tickets using this offer. Cinema tickets buy 3 tickets and get a ticket free they each pay £6.15 how muc
laila [671]

The cost of one ticket will be  £8.20

<em><u>Explanation</u></em>

Suppose, the cost of one ticket is x

As the offer says "buy 3 tickets and get a ticket free" , it means <u>they actually need to pay for 3 tickets</u>.

So, the total cost of 3 tickets =3x

Each of four friends pay £6.15 , so the <u>total amount they pay</u> =\£6.15 *4 = \£24.60

Thus, the equation will be .....

3x=24.60\\ \\ x=\frac{24.60}{3}=8.20

So, the cost of one ticket will be  £8.20

7 0
3 years ago
A shop sells newspapers for a profit of 0.5%. His sales for the month of January were $8341.50. How much of this is profit?
Doss [256]
Amount of sales  of newspapers for the month of January = $8341.50
Percentage of profit for which the newspaper is sold = 0.5%
Then
Amount of profit made in the month of January = 0.5% * 8341.50 dollars
                                                                           = (0.5/100) * 8341.50 dollars
                                                                           = 4170.75/100 dollars
                                                                           = 41.707 dollars
                                                                           = 41.71 dollars
So the shop makes a profit of $41.71 in the month of January by selling newspapers worth $8341.50. I hope the procedure is perfectly clear for you to understand.
8 0
4 years ago
Using paper folding to construct a line perpendicular to a given line through a point fold the paper through the point so that t
Sonja [21]
Correct answer: D. Upon Itself
A line segment has an angle that is exactly 180°. As perpendicular lines are lines meeting at the right angle, or 90°. If we then use paper folding to construct a line perpendicular to a given line, the given line should be directly above each other once folded.
5 0
3 years ago
Read 2 more answers
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