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3 years ago

I really need help with some classwork so i can bring my grade up.

Mathematics

1 answer:

Ksenya-84 [330]3 years ago

7 0

Answer: Finding the area for a right triangle is really simple so I will just show you how too.

Step-by-step explanation:

I was taught that it was H × B ÷2 (make sure to use this formula on right triangles)

B=base

H=height

Its really similar to finding area of a rectangle but you just divide your answer by 2 at the end!

I hope that helps a bit.

(if you worried that you didn't do it correct I got 336 for number 1)

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3 years ago

BRAINLIEST!!!!!When evaluating , what will be the exponent of 10 in the product?

garik1379 [7]

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3 years ago

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1!+2(2!)+3(3!)+...+n(n!)=(n+1)!-1

anyanavicka [17]

Step-by-step explanation:

OK, let's assume it this way:

Sn=1.1!+2.2!+3.3!+...+n.n!=(2‐1).1!+(3-1).2!+(4-1)3!+...+((n+1)-1).n!

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2 years ago

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3 years ago

Evaluate (-7)2. p l e a s e a n s w e r q u i c k\

devlian [24]

Answer:

(-7)2 = -14

Step-by-step explanation:

The parenthesis basically mean "multiply". So, this is a simple equation meaning -7 x 2. And remember, anytime we multiply a positive by a negative, you get a negative. So, simply multiply 7 x 2 = 14 and add a negative sign to make the solution true. So, -7 x 2 or (-7)2 = -14

Hope this helps! If you have any additional questions, please don't hesitate to ask me or your teacher to be sure you master the subject. Also thank you for the generous points!! Stay safe and please mark brainliest!!

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I really need help with some classwork so i can bring my grade up.​

I really need help with some classwork so i can bring my grade up.