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3 years ago

3) help I have the answers to these I just need to show the work

Mathematics

1 answer:

Rom4ik [11]3 years ago

5 0

Answer:

well, I think b would be correct if we use the cosine rule but according to my calculations a is the answer when we use sin rule but I'm not really sure.

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Which of the following is equivalent to (-2) -5? -2+(-5) -2+(-5) 2+(-5) 2-(-5)

gladu [14]

-2+(-5) is equal to (-2)-5.

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3 years ago

Read 2 more answers

PLZ HURRY!!!!!!!!!!!!! Simplify. −4x^2(5x^4−3x^2+x−2)

Simora [160]

$\bold{Answer}$

$\boxed{\bold{-20x^6+12x^4-4x^3+8x^2}}$

$\bold{Explanation}$

$\bold{Simplify: \ -4x^2\left(5x^4-3x^2+x-2\right)}$

$\bold{------------------}$

$\bold{Distribute \ Parenthesis}$

$\bold{\left(-4x^2\right)\cdot \:5x^4+\left(-4x^2\right)\left(-3x^2\right)+\left(-4x^2\right)x+\left(-4x^2\right)\left(-2\right)}$

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$\bold{Simplify \ -4\cdot \:5x^4x^2+4\cdot \:3x^2x^2-4x^2x+4\cdot \:2x^2: \ -20x^6+12x^4-4x^3+8x^2}$

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5 0

3 years ago

(17+4) + 9 = 17 + (4+9)

valina [46]

That's the associative property of addition

it is normally written as
(a+b)+c=a+(b+c)
which is like what you have
(17+4)+9=17+(4+9)

6 0

3 years ago

What is the sum of 506,211 and 424,809

Allushta [10]

506,211+424,809=931,020 sum means add hope this helps

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3 years ago

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PLEASE HELP ASAP!!!!

STatiana [176]

Answer:

y=7

Step-by-step explanation:

Since they are all congruent angles this means that the sides are equal too.

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3 years ago