3 years ago

Which formula gives the area of rectangle EFHG?

Mathematics

1 answer:

serg [7]3 years ago

6 0

The answer is area = (e + h) × j

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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.

3 0

3 years ago

Read 2 more answers

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maksim [4K]

Answer:

i depends of degre of triangle it can be three 14-11

it can also be 16

3 0

2 years ago

Round 0.0078 to the nearest thousandths.<br> 0.0078<br> 0.008<br> 0.0088<br> 0.08

Mashcka [7]

Answer:0.0088

Step-by-step explanation:

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3 years ago

The sum of four and twelve is??

guajiro [1.7K]

Answer: 16

Step-by-step explanation:

12+4= 16

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3 years ago

Amy can buy an 5-pound bag of dog food for $7.40 or

svetoff [14.1K]

Answer:

4-pound bag

Step-by-step explanation:

7.40/5 = 1.48

5.48/4 = 1.37

$1.37 is cheaper

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3 years ago