2 years ago

Please help with this, WILL GIVE BRAINLIST

Mathematics

1 answer:

Serjik [45]2 years ago

5 0

Answer:

I think it's C, but I'm not sure.

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Add the following polynomials, then write the answer in descending powers of x

Margarita [4]

Answer:

5x^3-4x-1

Step-by-step explanation:

https://www.symbolab.com/solver/step-by-step/2x%5E%7B3%7D%2B4x-6%20%2B%203x%5E%7B3%7D-8x%2B7

I use symbolab, it's the best calculator for everything. Hope this helps!

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Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or approxi

nevsk [136]

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2 years ago

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Amy has 630 stickers that are organized into 42 packs. She plans to give 3 packs to her friends. How many stickers is she giving

elena-14-01-66 [18.8K]

Answer:

45 stickers

Step-by-step explanation:

630/42 = 15 (represents the number of stickers in each pack)

Since there ar 3 packs, we multiply 15 by 3.

3 x 15 = 45

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tadah!

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2 years ago

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Solve the following system of equations using the elimination method.

Margaret [11]

So for eliminating, you only solve for one variable first.

I solved for y, so I multiplied by -4 to eliminate the x.

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3 0

2 years ago

HELP ASAP !! easy question and i’ll give brainliest

tia_tia [17]

Answer:

x=38.5

Step-by-step explanation:

$\sqrt{23^{2}- 18^{2}} =\sqrt{205}$

cos(x)= $\frac{18^{2} +23^{2} -205}{2(18)(23)}$

x=38.5(correct to the nearest tenth)

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