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Assoli18 [71]
3 years ago
13

Will mark brainlist + 30 points .. please help asap!!

Mathematics
2 answers:
zheka24 [161]3 years ago
8 0

Answer:

is 20 is your answer I believe

Harman [31]3 years ago
5 0

Answer:

p=2/20

p=1/10

the probability that a teenager has exactly 2 pairs of shoes is 1/10

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4 4/9 simplified into the smallest from
Rasek [7]
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3 0
3 years ago
What is the 40th term of the arithmetic sequence 13, 26, 39, 52
Diano4ka-milaya [45]

Answer:

your answer would be 520

Step-by-step explanation:

13 x 40 = 520

7 0
2 years ago
What is the equation in vertex form of the quadratic function with a vertex at (-1, -4) that goes through (1, 8)?
cestrela7 [59]

Answer:

y = 3(x+1)^2 - 4

Step-by-step explanation:The general form of the equation of a quadratic function whose vertex is (h,k) and whose leading coefficient is a is:

y - k = a(x-h)^2, or

y      = a(x-h)^2 - k

Substituting the coefficients of the vertex (-1, -4), we get:

y      = a(x + 1)^2 - 4

Substituting the coordinates of the given point, (1,8), we get:

8      = a(1+1)^2 - 4, which simplifies to:

8      = a(2)^2 - 4, or

8  = 4a - 4.  Then 4a = 12, and a = 3.

Thus, the desired equation is y = 3(x+1)^2 - 4 (answer j).


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