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mixas84 [53]
3 years ago
13

Given that y = 9x+4 -3(7 + x ) when x=3.2

Mathematics
1 answer:
djyliett [7]3 years ago
4 0

9(3.2)+4-3(7+3.2)=2.2

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How many ways can a dance instructor send 4 of her 11 students to a summer dance program?
Sedaia [141]

Answer:

d) 330

Step-by-step explanation:

The number of ways can a dance instructor send 4 of her 11 students to summer dance program is  C(11 , 4)

That is 11_{C_{4} } ways

by using formula n_{C_{r} } = \frac{n!}{(n-r)!r!}

now simplification

11_{C_{4} } = \frac{11!}{(11-4)!4!}

      = \frac{11X10X9X8X7!}{(7!)4X3X2X1}

after cancelling 7! and on simplification

   = \frac{11X10X9X8}{4X3X2X1}

after cancellation we get 330 ways

The number of ways can a dance instructor send 4 of her 11 students to summer dance program is 330

   

8 0
3 years ago
Riley adds 45.3 and 3.21 should his sum be greater than or less than 48 tell how you know
Romashka [77]

His sum should be more than 48.

I know because if you throw away the decimal pieces
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7 0
3 years ago
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Choose the slope and y-intercept that correspond with the graph. ​ignore this
krok68 [10]

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8 0
3 years ago
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Pavlova-9 [17]

Answer:

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Step-by-step explanation:

3/12 + 7/12 = 10/12

7 0
3 years ago
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Olegator [25]

Answer:

-10

Step-by-step explanation:

3 0
3 years ago
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