3 years ago

I will mark BRAINLIEST!! Please answer ASAP!

Mathematics

1 answer:

Delicious77 [7]3 years ago

8 0

Answer:

1.7 laps per minute

Step-by-step explanation:

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Burka [1]

Answer:

$2x^2+13$

Step-by-step explanation:

Given

$(-5x^2-2x+4)+(8x^2-x-1)-(x+2)(x-5)$

Required

Simplify

Expand brackets

$(-5x^2-2x+4)+(8x^2-x-1)-(x^2-5x+2x-10)$

$(-5x^2-2x+4)+(8x^2-x-1)-(x^2-3x-10)$

Open all brackets

$-5x^2-2x+4+8x^2-x-1-x^2+3x+10$

Collect Like Terms

$-5x^2+8x^2-x^2-2x-x+3x+4-1+10$

$2x^2+13$

Hence, the polynomial simplifies to $2x^2+13$ and it has a degree of 2

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3 years ago

Show your work on the multiplication please

Nataly [62]

Answer:

Daniel has 6,174 pokemon cards:)

We know this because 18 x 343 is 6,174.

(Hope this helps)

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3 years ago

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A chemist pumps hydrogen gas (H2) from a tank

son4ous [18]

Answer:

if it is a multiple choice question

the answer is 1.47 mol H2

Step-by-step explanation:

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4 years ago

How many four-letter codes can be made if no letter can be used twice?

Y_Kistochka [10]

Answer:4 ways to make a code of 4 letters. 6C4=15, 4!=24, and 15×24=360

hope i helped

Step-by-step explanation:

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4 years ago

H-4/j=4 hellllpppppp pleeeasssseee!!!!!!!

erma4kov [3.2K]

? Use a graphing app if you can

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3 years ago