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SSSSS [86.1K]
4 years ago
11

A combination lock requires three numbers from 1 to 25. how many combinations are possible? did you use the sum rule or the prod

uct rule? (note
Mathematics
1 answer:
Nostrana [21]4 years ago
4 0
25×3=75 combinations are possible
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kakasveta [241]
-5a^2 - 7a = -a x (5a + 7)
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4 years ago
What is mDBA+b+mCBE? Explain how you know.
harkovskaia [24]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
What is the missing constant term in the perfect square that starts with x^2+2x?
Natasha_Volkova [10]

Answer:

+ 1

Step-by-step explanation:

Given

x² + 2x

Using the method of completing the square

add ( half the coefficient of the x- term)² to x² + 2x

= x² + 2(1)x + 1²

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4 0
3 years ago
PLEASE HELP!!! THIS IS MY LAST QUESTION!! PLEASE(show work)
natita [175]

Answer:

  • sign = negative, degree = 5

Step-by-step explanation:

<u>The graph has negative leading coefficient as </u>

  • x → ∞, y → - ∞

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7 0
3 years ago
In a school of 330 students, 85 of them are in the drama club, 200 of them are in a sports team and 60 students do drama and spo
liq [111]
Let's denote students in D = in the drama club , S<span> = in a sports team </span>
<span>P(D) = 85/330 </span>
<span>P(S) = 200/330 </span>
<span>
P(D and S) = 60/300 </span>
<span>
P(D or S) = P(D) + P(S) - P(D and S)  </span><span>= 85/330 + 200/330 - 60/330 = 15/22 </span>
<span>
P(neither D nor S) = 1- 15/22 </span><span>= 7/22</span>
7 0
3 years ago
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