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3 years ago

Question 9 Multiple Choice Worth 1 points) (06.01 MC) What is the value of the expression 10 - (14.48? 02 04 05 07

Mathematics

1 answer:

Step2247 [10]3 years ago

6 0

Your answer is 7, hope i helped :)

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In the equation (x^2+y)^5, what is the coefficient of the term x^4y^3? what is the coefficient of the same term in the expansion

lys-0071 [83]

$\displaystyle
(x+y)^n=\sum_{k=0}^n\binom{n}{k}x^{n-k}y^k$

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$\displaystyle
(x^2+y)^n=\sum_{k=0}^n\binom{n}{k}x^{2n-2k}y^k\\
n=5\\
k=3\\\\\binom{5}{3}=\dfrac{5!}{3!2!}=\dfrac{4\cdor5}{2}=10$

It's 10.

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$\displaystyle
(3x^2+y)^n=\sum_{k=0}^n\binom{n}{k}(3x)^{2n-2k}y^k=\sum_{k=0}^n\binom{n}{k}\cdot 3^{2n-2k}\cdot x^{2n-2k}y^k\\\\
n=5\\
k=4\\\\
\binom{5}{3}\cdot3^{2\cdot5-2\cdot4}=10\cdot3^{2}=10\cdot9=90$

It's 90

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3 years ago

Please help me solve this answer

satela [25.4K]

Answer:it is a

Step-by-step explanation:

because it is only one under 3 miles

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2 years ago

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Answer:

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Step-by-step explanation:

Because f(x) = y so when y=3 what is input value (x)

When y is 3 x is -3

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2 times what equals 56

wel

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(-3, 4).

Step-by-step explanation:

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Hope this helps!

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Question 9 Multiple Choice Worth 1 points) (06.01 MC) What is the value of the expression 10 - (14.48? 02 04 05 07​

Question 9 Multiple Choice Worth 1 points) (06.01 MC) What is the value of the expression 10 - (14.48? 02 04 05 07