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3 years ago

Brandon writes math problems for IXL. This week he has already written 24 problems. There are 3 days left in the work

Mathematics

1 answer:

Umnica [9.8K]3 years ago

8 0

Answer:

bradon is a gamer he has a channel the frustrated gamer

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I need help figuring out what I did wrong

rewona [7]

Answer:

Step-by-step explanation:

Using the addition formula for sine

sin(a + b) = sinacosb + cosasinb

and the exact values

sin( $\frac{\pi }{4}$ ) = cos( $\frac{\pi }{4}$ ) = $\frac{\sqrt{2} }{2}$ , cos( $\frac{\pi }{6}$ ) = $\frac{\sqrt{3} }{2}$ , sin( $\frac{\pi }{6}$ ) = $\frac{1}{2}$

Note that $\frac{5\pi }{12}$ = $\frac{\pi }{4}$ + $\frac{\pi }{6}$ , thus

sin( $\frac{5\pi }{12}$ )

= sin( $\frac{\pi }{4}$ + $\frac{\pi }{6}$ )

= sin( $\frac{\pi }{4}$ )cos( $\frac{\pi }{6}$ ) + cos( $\frac{\pi }{4}$ )sin( $\frac{\pi }{6}$ )

= ( $\frac{\sqrt{2} }{2}$ × $\frac{\sqrt{3} }{2}$ ) + ( $\frac{\sqrt{2} }{2}$ × $\frac{1}{2}$ )

= $\frac{\sqrt{6} }{4}$ + $\frac{\sqrt{2} }{4}$

= $\frac{\sqrt{6}+\sqrt{2} }{4}$ → D

4 0

3 years ago

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A horse had 4 1/5 scoops of oats in his bucket. He ate 2 1/2 scoops of oats. How many scoops of oats were left in his bucket ?

Sergeu [11.5K]

He has 1 7/10 scoops of oats left in his bucket.

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3 years ago

Which function is equivalent to

nevsk [136]

What’s your question for me you

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3 years ago

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2y^3 • 3xy^3/3x^2 y^4

KATRIN_1 [288]

Answer:

2y^2/x

Step-by-step explanation:

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3 years ago

Find G-1^(3) g(x)=2x+2 over 4

Natasha2012 [34]

G inverse ( g^-1 (x) ) = x-2 over 2. so, g^-1 (3) = 3-2 over 2 = 1/2

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3 years ago