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nikklg [1K]
3 years ago
9

There are 18 students in a class. Each day, the teacher randomly

Mathematics
1 answer:
Maurinko [17]3 years ago
8 0
The answer is (3) 4896.

This number comes from multiplying 18 x 17 x 16

This is because any of the 18 students could be picked as a leader. Then, any of the remaining 17 students could be picked as a recorder. Then, any of the remaining 16 students could be picked as a timekeeper. Therefore, you multiply 18 by 17 by 16 to get 4896 combinations.
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Factor the quadratic trinomial x^2-7x+12
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Answer:

(x-4)(x-3) hope this helps

Step-by-step explanation:

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Y is a differentiable function of x. Choose the alternative that is the derivative dy / dx.
murzikaleks [220]

Differentiating both sides of

x^3-y^3=1

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3x^2 - 3y^2 \dfrac{\mathrm dy}{\mathrm dx} = 0 \\\\ 3y^2\dfrac{\mathrm dy}{\mathrm dx} = 3x^2 \\\\ \dfrac{\mathrm dy}{\mathrm dx} = \dfrac{3x^2}{3y^2} = \dfrac{x^2}{y^2}

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3 years ago
Which number is greater than the absolute value of -3/8?<br><br> -5/8<br> -1/8<br> 1/4<br> 0.5
erica [24]
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<span>0.5 = 0.5
</span>
Therefore 1/4 & 0.5 & -1/8 > -3/8

5 0
3 years ago
Read 2 more answers
seven less than the sum of p and t is as much as nine times a number y subtracted from 85 is seven times the sum of four and y
natita [175]

7-(p+t) =  9(85-n) = 7(4+y)

Algebra is a kind  of mathematics that includes symbols and the arithmetic operations across these symbols. These symbols do not have any fixed values and are called variables.  

An algebra expression contain coefficient variable and a constant

We apply various methods to solve those question

An algebra expression is also called an equation

let the number be x

Seven less than the of p and t

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Nine times a number y subtracted from 85

= 9(85-n)…..(2)

Seven times the sum of four and y

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Combining equations (1), (2) and (3) according to the question :

7-(p+t) =  9(85-n) = 7(4+y)

Learn about algebra here :

brainly.com/question/2972832

#SPJ9

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2 years ago
Kellie has built her savings account to $7,800. She is transferring it to an account that earns 5.5% interest, compounded monthl
Pavel [41]

Answer:

Kellie has built her savings account to $7,800. She is transferring it to an account that earns 5.5% interest, compounded monthly. What will the balance of the account be in 16 years?

Step-by-step explanation:

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