3 years ago

I need help,Im doing a quiz,pls help me quick,this is the question:

Mathematics

1 answer:

tensa zangetsu [6.8K]3 years ago

6 0

Answer: You will need to add all the number up

Step-by-step explanation:

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4 years ago

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3 years ago

What is the value of this expression when a = 3 and b = -2?

weqwewe [10]

The first step: Simplify the expression with:

$\dfrac{x^n}{x^m}=x^{n-m}\\\\(xy)^n=x^ny^n\\\\(x^n)^m=x^{nm}\\\\x^{-n}=\dfrac{1}{x^n}$

$\left(\dfrac{3a^{-2}b^6}{2a^{-1}b^5}\right)^2=\left(\dfrac{3}{2}a^{-2-(-1)}b^{6-5}\right)^2=\left(\dfrac{3}{2}a^{-1}b^1\right)^2\\\\=\left(\dfrac{3}{2}\right)^2(a^{-1})^2b^2=\dfrac{9}{4}a^{-2}b^2=\dfrac{9b^2}{4a^2}$

The second step: Put the values of a = 3 and b = -2 to the expression:

$\dfrac{9(-2)^2}{4(3)^2}=\dfrac{(9)(4)}{(4)(9)}=1$

<h2>Answer: 1</h2>

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4 years ago

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If the dividend is a whole number and the divisor is 3.68 how do you move the decimal point for the dividend?

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3 years ago

F(x)=7x+7 and g(x)=6x^2<br> find (fg)(x)

Neporo4naja [7]

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(fg)(x) = f(x) · g(x)

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4 years ago

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