3 years ago

Which one is the correct answer, a b c d

Mathematics

1 answer:

Katena32 [7]3 years ago

3 0

<h2>Answer:</h2>

$g(f(x))=\sqrt{\frac{2301+100x^2}{23+x^2} }$

<h2>Step-by-step explanation:</h2>

$Substitute\ and\ calculate:\\ \downarrow\\ g(f(x))=\sqrt{\frac{2301+100x^2}{23+x^2} }$

<em>I hope this helps you</em>

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Solve the simultaneous equations x - 5y = 0 and 15x + 10y = 17

Montano1993 [528]

X - 5y = 0 (1)
15x + 10y = 17 (2)

From (1),
2x - 10y = 0 (3)

(2) + (3),
17x = 17
x= 1

Sub x=1 into (1)
x - 5y = 0
- 5y = -1
y = 1/5

Therefore x = 1, y = 1/5.

Hope it helps : )

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Expression A: 3(x + 2) Expression B: 3x + 6....... Which statement does not show that these expressions are equivalent? O A. Sub

Dovator [93]

Answer:

D. 3(x+2) can be rewritten as 3x + 6 using the distributive property

Step-by-step explanation:

Given

$3(x + 2) = 3x + 6$

Required

Explain

From the list of given options, option D answers the question.

This is because, the expression above involves distributive property and only option D correctly states that.

A distributive property is:

$a*(b + c) = a*b + a * c$

In this case:

$a = 3$ $b = x$ and $c = 2$

So:

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