3 years ago

Help pleasee, its past due , im sufferingggg

Mathematics

1 answer:

jeyben [28]3 years ago

5 0

Answer:

-11

Step-by-step explanation:

First we plug -2 in for c

4(-2)-3=-8-3=-11

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Oduvanchick [21]

Answer:

The scale factor is $\frac{9}{7}$

Step-by-step explanation:

we know that

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therefore

The scale factor is 9/7

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Step-by-step explanation:

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2 years ago

Which expression is equivalent to log Subscript 5 Baseline (StartFraction x Over 4 EndFraction) squared?

SIZIF [17.4K]

Answer:

$\log_5(\frac{x}{4})^2 = 2\log_5(x) - 2\log_5(4)$

Step-by-step explanation:

Given

$\log_5(\frac{x}{4})^2$

Required

The equivalent expression

To do this, we apply the following law of indices:

$\log_a(b)^c = c\log_a(b)$

So, we have:

$\log_5(\frac{x}{4})^2 = 2\log_5(\frac{x}{4})$

To further simplify:

$\log(\frac{a}{b}) = \log(a) - \log(b)$

So, we have:

$\log_5(\frac{x}{4})^2 = 2(\log_5(x) - \log_5(4))$

Open brackets

$\log_5(\frac{x}{4})^2 = 2\log_5(x) - 2\log_5(4)$

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3 years ago