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nikitadnepr [17]
2 years ago
10

PLEASE HELP ME! I gotta get this done before the 1st!!!

Mathematics
2 answers:
Hunter-Best [27]2 years ago
6 0

Answer:

A)6x-18, B)They are not equal, since 6xx18 is not equal to 6x-9

Step-by-step explanation:

2(3x-9) = 2(3x)-2(9) =6x-18.

const2013 [10]2 years ago
3 0
Answer is 18 because 9. Times 2 is 18
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weeeeeb [17]
See diagram
I wrote that the degrees are 70 each because it is isocolese and 140/2=70


a.
to solve for the diagonal, I'm going to use trig to find the height and the base then use pythagorean theorem to find the diagonal

so
see I've drawn an auxiliry line to make a right triangle on the leftmost side
so
we want to find the height and base
sin(70°)=h/7
so 7sin(70°)=h≈6.57785

cos(70°)=base/7
so 7cos(70°)=base≈2.39414

now
the entire long base is 22, so that big triangle with the diagonal as the hyptonuse is 22-2.39414=19.6059
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we get that the diagonal is about 20.68ft




b.
we got that the base was 7cos(70°)
2 of those bases so 22-14cos(70°)=17.2117ft or rounded 17.21ft




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3 0
3 years ago
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Free_Kalibri [48]

is it multiple choice


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2 years ago
There are 32 students in a class how many ways can the Class be divided into groups with equal numbers of students are what are
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Answer:

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3 years ago
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