3 years ago

Please don't give me a link PLEASE HELPPP

Mathematics

1 answer:

KiRa [710]3 years ago

7 0

Answer:

study more so you can understand

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At a high school, students can choose between three art electives, four history electives, and five computer electives. Each stu

V125BC [204]

Answer:

$\frac{^3C_1\times ^4C_1}{^{12}C_2}$

Step-by-step explanation:

Given,

Art electives = 3,

History electives = 4,

Computer electives = 5,

Total number of electives = 3 + 4 + 5 = 12,

Since, if a student chooses an art elective and a history elective,

So, the total combination of choosing an art elective and a history elective = $^3C_1\times ^4C_1$

Also, the total combination of choosing any 2 subjects out of 12 subjects = $^{12}C_2$

Hence, the probability that a student chooses an art elective and a history elective = $\frac{\text{Total combination of choosing an art elective and a history}}{\text{ Total combination of choosing any 2 subjects}}$

$=\frac{^3C_1\times ^4C_1}{^{12}C_2}$

Which is the required expression.

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3 years ago

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lions [1.4K]

Answer:

$2ft^{3}$

Step-by-step explanation:

V = length × width × height

SO...

V = 1ft × 1ft × 2ft

V = $2ft^{3}$

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2 years ago

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Answer: can u take a better picture and is the 9th grade

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in Austin Texas 8 bats ate 40 grams of insects in one night at this rate how many grams of insects could 64 bats eat in one nigh

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Answer:320

Step-by-step explanation: 8 bats equals 40 grams of insect. 8 x 5= 40. 64 bats equals 320. 64 x 5 =320.

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