2 years ago

What is the answer to the problem? 7 1/2 ÷ 3/4 I need this fast please help!! :)

Mathematics

2 answers:

WARRIOR [948]2 years ago

6 0

Answer:

I hope this helps!

irakobra [83]2 years ago

4 0

The answer is 10 I believe.

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Find the exact value by using a half angle identity.tan 75°

kramer

The trigonometric function is given as

$\tan 75^{\circ}$

Apply the half angle identity to find the value of tan 75 ,

$\tan (\frac{u}{2})=\frac{\sin u}{1+\cos u}$

Here,

$\tan (\frac{150^{\circ}}{2})=\frac{\sin150^{\circ}}{1+cos150^{\circ}}$ $\tan (75^{\circ})=\frac{\frac{1}{2}}{1-\frac{\sqrt[]{3}}{2}}=\frac{\frac{1}{2}}{\frac{2-\sqrt[]{3}}{2}}^{}$ $\tan 75^{\circ}=\frac{1}{2-\sqrt[]{3}}$

Now rationalize the function.

$\tan 75^{\circ}=\frac{1}{2-\sqrt[]{3}}\times\frac{2+\sqrt[]{3}}{2+\sqrt[]{3}}=\frac{2+\sqrt[]{3}}{4-3}=\frac{2+\sqrt[]{3}}{1}$

Again simplify the trigonometric function,

$\tan 75^{\circ}=2+1.732=3.732$

Hence the answer is 3.732.

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1 year ago

How is 5.35 one-half of the way between 2.2 and 8.5? Can someone please help me to understand?

Aleks04 [339]

Answer:

because it is in the middle of 2.2 and 8.5

so if you split it up 2.2 and 8.5 take 3.15 from 8.5 and give it to 2.2 now u have 5.35 as your answer.

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2 years ago

What is the slope for (-11,7),(15,-3)

soldier1979 [14.2K]

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Formula: Y2-Y1/X2-X1

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2 years ago

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Which our equivalent to -11/4

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-11 divided by 4 and -11/4

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