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Andrej [43]
3 years ago
12

A) 31 c) 30 b) 28 d) 61

Mathematics
1 answer:
Fynjy0 [20]3 years ago
4 0

Answer:

  A)  31

Step-by-step explanation:

The difference of low-end values for successive classes is 31. This is the class width.

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mr_godi [17]
With the information given, we can set up the following system of equations:

x + y = 895
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6 0
2 years ago
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IrinaVladis [17]

It follows from the definition of the binomial coefficient:

\dbinom nr=\dfrac{n!}{r!(n-r)!}

So we have

(n+1)\dbinom nr=(n+1)\dfrac{n!}{r!(n-r)!}=(r+1)\dfrac{(n+1)!}{(r+1)!(n-r)!}

That is, (n+1) gets absorbed into the numerator's factorial, and we introduct (r+1) into the denominator. Now, (n+1)-(r+1)=n-r, so we get

(n+1)\dbinom nr=(r+1)\dfrac{(n+1)!}{(r+1)!((n+1)-(r+1))!}=(r+1)\dbinom{n+1}{r+1}

as required.

4 0
3 years ago
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melisa1 [442]

Answer:

45/28

Step-by-step explanation:

Hey There!

They want us to find the tangent of R

Remember in sohcahTOA

t - tangent

o - opposite

a - adjacent

meaning that

tan = \frac{opposite}{adjacent}

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the adjacent of angle r is 28

so tanR=\frac{45}{28}

8 0
2 years ago
Select the correct answer which function is increasing at the highest rate?
saw5 [17]

Answer:

D.since the gragh is linear

4 0
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Find the value of x ?
Sophie [7]

Answer: 6

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4+(x-3) = 2x-5

x+1 = 2x-5

x=6

5 0
3 years ago
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