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3 years ago

Examine the method you used to estimate in the previous question. How does the estimate compare to the actual amount? Explain.

Mathematics

4 answers:

mr Goodwill [35]3 years ago

9 0

Answer:

Step-by-step explanation:

Both $94 and 12% were rounded down, so the estimate will be less than the actual amount.

nikitadnepr [17]3 years ago

5 0

Answer:

Both $94 and 12% were rounded down, so the estimate will be less than the actual amount.

Step-by-step explanation:

Sample response 100% correct

promise

Emma_smartkid2 years ago

1 0

Both $94 and 12% were rounded down, so the estimate will be less than the actual amount.

Lina_smartkid2 years ago

1 0

Both $94 and 12% were rounded down, so the estimate will be less than the actual amount.

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If f(x) = 7 + 4x and g (x) = StartFraction 1 Over 2 x EndFraction, what is the value of (StartFraction f Over g EndFraction) (5)

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Answer:

$\frac{f}{g}(5)$ = 270 ⇒ Last answer

Step-by-step explanation:

* If f(x) = 7 + 4x

* If g(x) = $\frac{1}{2x}$

* We want to find $\frac{f}{g}(5)$

- Lets find at first $\frac{f}{g}(x)$

∵ f(x) = 7 + 4x

∵ g(x) = $\frac{1}{2x}$

∴ $\frac{f}{g}(x)=\frac{7+4x}{\frac{1}{2x}}$

- Lets divide the numerator by the denominator

∵ The numerator is 7 + 4x

∵ The denominator is $\frac{1}{2x}$

∴ (7 + 4x) ÷ $\frac{1}{2x}$

- Lets reverse the division sign to multiplication sign and reciprocal

the fraction after the division sign

∴ (7 + 4x) × $\frac{2x}{1}$

∴ $\frac{f}{g}(x)$ = 2x(7 + 4x)

∴ $\frac{f}{g}(x)$ = 14x + 8x²

- Now substitute x by 5

∴ $\frac{f}{g}(5)$ = 14(5) + 8(5)² = 70 + 200 = 270

∴ $\frac{f}{g}(5)$ = 270

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