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3 years ago

An english reading list has 9 american novels and 7 english novels. A student must read 5 from the list and at least 3 must be e

nglish novels. In how many different ways can the five books be selected combination

Mathematics

1 answer:

Elenna [48]3 years ago

7 0

$_7C_3\cdot {_{13}C_2}=\dfrac{7!}{3!4!}\cdot\dfrac{13!}{2!11!}=\dfrac{5\cdot6\cdot7}{2\cdot3}\cdot\dfrac{12\cdot13}{2}=2730$

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I need help plz.

viva [34]

Answer:

slope = $\frac{1}{2}$

Step-by-step explanation:

Calculate the slope m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (- 8, 0) and (x₂, y₂ ) = (4, 6) ← 2 points on the line

m = $\frac{6-0}{4+8}$ = $\frac{6}{12}$ = $\frac{1}{2}$

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4 years ago

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Fantom [35]

I am not sure, but my answer is (a). However, I also think its (c), but mainly (a). Please tell me if I was incorrect. I'm sorry. Hope I helped.

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3 years ago

The size of a rectangular television screen

Gnom [1K]

Answer:

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Step-by-step explanation:

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3 years ago

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Mnenie [13.5K]

Answer:

320

Step-by-step explanation:

19(10) = 190

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5 0

3 years ago

Slope intercept (pls don’t answer just for points:)

Stolb23 [73]

Step-by-step explanation:

slope ck: (5 - (-7))/(-1 - 2) = -4

slope parallel to ck: -4

y-inyercept: -6

equation: y = -4x - 6

Topic: coordinate geometry

If you like to venture further, feel free to check out my insta (<em><u>learntionary</u></em>). I'll be constantly posting math tips and notes! Thanks!

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3 years ago

Read 2 more answers