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Bezzdna [24]
2 years ago
6

June and Angad have played 30 tennis matches.

Mathematics
1 answer:
Bad White [126]2 years ago
7 0

Answer:

Step-by-step explanation:

a) P (June) = 7/15

b) P (Angad) = 8/15

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What is the nth term rule of the linear sequence below?
Katena32 [7]

Answer:

4n -13

Step-by-step explanation:

notice that the difference between the adjacent terms is 4.

nth term is given by:

nth term = first term + (n-1) × difference -n is any number

= -9 + (n-1) × 4

= -9 + 4n -4

= 4n -13

6 0
2 years ago
Type the correct answer in each box
Luba_88 [7]

Answer:

We know that the equation of the circle in standard form is equal to <em>(x-h)² + (y-k)² = r²</em> where (h,k) is the center of the circle and r is the radius of the circle.

We have x² + y² + 8x + 22y + 37 = 0, let's get to the standard form :

1 - We first group terms with the same variable :

(x²+8x) + (y²+22y) + 37 = 0

2 - We then move the constant to the opposite side of the equation (don't forget to change the sign !)

(x²+8x) + (y²+22y) = - 37

3 - Do you recall the quadratic identities ? (a+b)² = a² + 2ab + b². Now that's what we are trying to find. We call this process <u><em>"completing the square"</em></u>.

x²+8x = (x²+8x + 4²) - 4² = (x+4)² - 4²

y²+22y = (y²+22y+11²)-11² = (y+11)²-11²

4 - We plug the new values inside our equation :

(x+4)² - 4² + (y+22)² - 11² = -37

(x+4)² + (y+22)² = -37+4²+11²

(x+4)²+(y+22)² = 100

5 - We re-write in standard form :

(x-(-4)²)² + (y - (-22))² = 10²

And now it is easy to identify h and k, h = -4 and k = - 22 and the radius r equal 10. You can now complete the sentence :)

5 0
3 years ago
Which Greek geometer founded a philosophical society that devoted itself to the study of mathematics?'
Luba_88 [7]

Answer:

Pythagoras

Step-by-step explanation:

Pythagoras

6 0
3 years ago
A team of scientists estimate the current number of butterflies in a park to be 20 thousand. The butterfly population is expecte
lesantik [10]
C. seems more plausible
3 0
3 years ago
9(u-2)+15u=8.25<br><br> QUICK!!!!!!!
Aneli [31]

Im pretty sure its 1.09375

7 0
3 years ago
Read 2 more answers
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