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Mathematics

2 answers:

sammy [17]2 years ago

7 0

I got 150 as the answer please tell me if i meesed up ill retry

vredina [299]2 years ago

5 0

30 degrees\ fdgrsbdbfbdfbb brbdbd sffvdb

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Expand the following using either the Binomial Theorem You must show

n200080 [17]

<h2><u><em>Answer:</em></u></h2><h2><em>A Pascal triangle is the triangular way of expanding a binomial. So the best way in expanding that function is thru Binomial Theorem and the expanded for of it is 8x^3+48x^2+98x+64 </em></h2><h2><em></em></h2><h2><u><em>Step-by-step explanation:</em></u></h2><h2><em>Before even trying to put this into the binomial form, we must figure out the coefficients. If we go by the Pascal's Triangles way we should end up with: </em></h2><h2><em> </em></h2><h2><em> 1 </em></h2><h2><em> </em></h2><h2><em> 1 1 </em></h2><h2><em> </em></h2><h2><em> 1 2 1 </em></h2><h2><em> </em></h2><h2><em>1 3 3 1 </em></h2><h2><em> </em></h2><h2><em>Going by the last level (which is the third level) we get 3C0:1, 3C1:3, 3C2:3, 3C3:1. </em></h2><h2><em> </em></h2><h2><em>Now with the equation: (a+b)^3 = 3C0a^3 + 3C1a^2 b + 3C2a b^2 + 3C3b^3 we just plug in all the values and simplify </em></h2><h2><em> </em></h2><h2><em>(2x+4)^3 = 2x^3 + 3(2x)^2 (4) + 3(2x) (4)^2 + (4)^3 </em></h2><h2><em> </em></h2><h2><em>(2x+4)^3 = 8x^3 + (3)(4x^2)(4) + (3)(2x)(16) + 64 </em></h2><h2><em> </em></h2><h2><em>Then we finally end with: (2x+4)^3 = 8x^3 48x^2 + 96x +64 </em></h2>

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2 years ago

Length of an equilateral triangle with side root3

Sever21 [200]

Answer:

√3/4(√3)^2=3√3/4

Hope it helps

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2 years ago

Find the value of A, B, C and D

bekas [8.4K]

Since some sides are congruent to the mirrored of itself, you can conclude that a = 65 degrees
b = 180 - 65 = 115 degrees
c = 20 degrees (180 = 45 + 115 + x)
d = 45 degrees

5 0

3 years ago

Can to answer all 4 please?

Tasya [4]

1) A - yes, b - no, c - yes
2) false, true, false
3) 85p - 34%
xp - 66%
x = 165 - she has to read 165 more pages.
4) Sylvia earns 84/12 = 7$/hr
maximum she can earn is 7*15 = 105 $
she will earn 105$ if she works for 15 hours

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2 years ago

A recipe calls for 3 cups of sugar to make one batch how many cups of flour and sugar would you need to make 4 batches?

Alla [95]

Answer:

12?

Step-by-step explanation:

you didnt mention how many cups of flour to make one bath but you need 12 cups of sugar for 4 batches

5 0

2 years ago

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