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3 years ago

I need help and ineed the answer i wiil give brainlist

Mathematics

1 answer:

Ymorist [56]3 years ago

3 0

Answer: 2 inch

Step-by-step explanation:

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3 years ago

Ms. Knight's two cooking classes are

galina1969 [7]

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3 years ago

What is the best estimate for this sum 1/8+1/6=The sum will be close to?

tamaranim1 [39]

The expression given is

$\frac{1}{8}+\frac{1}{6}$

The sum of the expression will be,

$\frac{1}{8}+\frac{1}{6}=\frac{6+8}{48}=\frac{14}{48}=\frac{7}{24}$

The sum will be

$\frac{7}{24}$

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1 year ago

What do you subtract from -3 td get positive 4?*

kogti [31]

Answer:

Step-by-step explanation:

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3 years ago

Pls help trig question!!

s2008m [1.1K]

$4\sin^2 x - 3 = 3 \sin x\\\\\implies 4\sin^2 x -3 \sin x -3 =0\\\\\implies 4u^2 -3u -3 =0~~~~~~~~~~~~~~;[\text{Set} ~ \sin x = u]\\\\\implies u = \dfrac{-(-3) \pm \sqrt{(-3)^2 - 4\cdot 4 \cdot (-3)}}{2(4)}~~~~~~;[\text{Apply quadratic formula}]\\\\\\\implies u = \dfrac{3\pm\sqrt{57}}8\\\\\implies \sin x = \dfrac{3\pm\sqrt{57}}8~~~~~~;[\text{Substitute back}~ u = \sin x]\\\\\text{Now,}\\\\\sin x = \dfrac{3+\sqrt{57}}8\\\\\text{No solution for}~ x\in \mathbb{R} ~\text{Since}~ -1\leq \sin x \leq 1\\$

$\sin x = \dfrac{3 - \sqrt{57}}8\\\\\implies x = n\pi + (-1)^n \sin^{-1} \left(\dfrac{3-\sqrt{57}}8\right)\\\\\\\text{ When n = 1,2 and}~ [0,2\pi]},\\\\\\x= \pi - \sin^{-1} \left(\dfrac{3-\sqrt{57}}8 \right)~ \text{and} ~x = 2\pi + \sin^{-1} \left(\dfrac{3-\sqrt{57}}8 \right)\\\\\text{In decimal,}\\\\x= 3.75~~~~ \text{and}~~~ x =5.68$

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2 years ago

I need help and ineed the answer i wiil give brainlist ​

I need help and ineed the answer i wiil give brainlist