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Vesnalui [34]
3 years ago
12

Alisha asked 120 students what kind of pet they liked the most. Exactly 45% of the students said they liked dogs best. What was

the total number of students who said they liked dogs best?
Mathematics
2 answers:
7nadin3 [17]3 years ago
8 0

Answer: 54 liked best

Step-by-step explanation: None

Nikitich [7]3 years ago
5 0

Answer:

54

Step-by-step explanation:

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Fynjy0 [20]
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8 * 8 = 64
3 0
3 years ago
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Evaluate y/2x-z x=4y=3and z=2
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5 0
3 years ago
Q.23 Prove that: (sin4A - cos4A + 1) = 2sin2A
FrozenT [24]

Answer:

Step-by-step explanation:

I think you have the question incomplete, and that this is the complete question

sin^4a + cos^4a = 1 - 2sin^2a.cos^2a

To do this, we can start my mirroring the equation.

x² + y² = (x + y)² - 2xy,

This helps us break down the power from 4 to 2, so that we have

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Recall from identity that

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On expanding the power and the brackets, we find that we have the equation proved.

sin^4a + cos^4a = 1 - 2sin^2a.cos^2a

4 0
3 years ago
Five students are running for Junior class president. They draw straws to see who will go first, second, etc. In how many differ
SpyIntel [72]
<h3>Answer:  120</h3>

===================================================

Explanation:

There are 5 choices for the first selection, 4 choices for the second, etc etc until we reach 1 for the last selection. We have the countdown {5,4,3,2,1}. We'll multiply those values together to get our answer.

5*4*3*2*1 = 120

This operation of starting with some integer, counting down and multiplying along the way, is done so very often that it's given a name which is "factorial". The shorthand notation is to use an exclamation mark. So we'd say 5! = 120

6 0
2 years ago
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Rudik [331]
I believe it’s 4 since he’s in dept with 4 dollars so that’ll be -4, but the absolute value is 4 since it’s 4 spaces away from 0.
5 0
2 years ago
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