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3 years ago

265000 in standard form

Mathematics

2 answers:

liberstina [14]3 years ago

8 0

Answer:

2.65×10^5

Step-by-step explanation:

Alexus [3.1K]3 years ago

3 0

Answer:

$2.65 \cdot 10^5$

Step-by-step explanation:

265000 can be rewritten as $2.65 \cdot 10^5$ , since the decimal place moved 5 to the left. Hope this helps!

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3 years ago

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telo118 [61]

Answer:

Step-by-step explanation:

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3 years ago

Answer the question in the picture

nekit [7.7K]

Recall the angle sum identities:

$\sin(x+y)=\sin x\cos y+\cos x\sin y$

$\cos(x+y)=\cos x\cos y-\sin x\sin y$

Now,

$\tan(x+y)=\dfrac{\sin(x+y)}{\cos(x+y)}=\dfrac{\sin x\cos y+\cos x\sin y}{\cos x\cos y-\sin x\sin y}$

Divide through numerator and denominator by $\cos x\cos y$ to get

$\tan(x+y)=\dfrac{\tan x+\tan y}{1-\tan x\tan y}$

Next, we use the fact that $x,y$ lie in the first quadrant to determine that

$\sin x=\dfrac12\implies\cos x=\sqrt{1-\sin^2x}=\dfrac{\sqrt3}2$

$\cos y=\dfrac{\sqrt2}2\implies\sin x=\sqrt{1-\cos^2x}=\dfrac1{\sqrt2}$

So we then have

$\tan x=\dfrac{\sin x}{\cos x}=\dfrac{\frac12}{\frac{\sqrt3}2}=\dfrac1{\sqrt3}$

$\tan y=\dfrac{\sin y}{\cos y}=\dfrac{\frac1{\sqrt2}}{\frac{\sqrt2}2}=1$

Finally,

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3 years ago

If n = 10 and p = 0.70, then the standard deviation of the binomial distribution is

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3 years ago