3 years ago

If 2X = 4096, find value of x.

Mathematics

1 answer:

Scorpion4ik [409]3 years ago

4 0

Answer:

transpose 2 towards 4096

Step-by-step explanation:

2048 Answer

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5cosx -2sin(x/2) +7=0<br>Help me to find x step by step<br>pls

miskamm [114]

Answer:

x = 180

Step-by-step explanation:

First, you need to know

1. Double-angle formula:

cos(2x) = $cos^{2}x - sin^{2}x$

2. Pythagorean identity:

$cos^{2}x + sin^{2}x = 1$

Back to your problem, replacing the variable by the above:

$5cosx-sin\frac{x}{2}+7 = 0$

$5(cos^{2}\frac{x}{2}-sin^{2}\frac{x}{2}) - 2sin\frac{x}{2} + 7 = 0$ By Double-angle formula

$5(1 - 2sin^{2}\frac{x}{2}) - 2sin\frac{x}{2} + 7 = 0$ By Pythagorean identity

Given $y = \frac{x}{2}$

$5(1-2sin^{2}y) - 2siny + 7 = 0$

$10sin^{2}y+2siny-12=0$

$5sin^{2}y+siny-6=0$

$(5siny + 6)(siny - 1)=0$ , we know -1 < sinx < 1, for every x ∈ R

$siny = 1, y =90$

$y = \frac{x}{2}$

$x = 180$

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3 years ago

Which best describes the relationship between the successive terms in the sequence shown?

Bingel [31]

THE ANSWER IS THE COMMON DIFFERENCE IS -7.2 (first answer)

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2 years ago

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Factor the expression using the GCF.<br> 100 – 80

DochEvi [55]

Answer:

The Greatest Common Factor (GCF) for 100 and 80, notation GCF (100,80), is 20.

Step-by-step explanation:

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3 years ago

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malfutka [58]

$\begin{gathered} \text{Mean = }\frac{\sum ^{}_{}X}{n} \\ =\text{ }\frac{48\text{ +12+35+57+42+15+74+29}}{8} \\ =\frac{312}{8} \\ =39 \end{gathered}$

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11 months ago

A bar diagram for 12×1/2

tekilochka [14]

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3 years ago