Can someone please help me i have no one to help me

Mathematics

2 answers:

GREYUIT [131]3 years ago

6 0

It is an acute triangle because none of its angles are equal to (right) or above (obtuse) 90 degrees.

Naya [18.7K]3 years ago

3 0

B. Acute triangle. Because all three angles are less than 90 degrees.

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Find a function for the graph below

Zinaida [17]

Answer:

Step-by-step explanation:

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3 years ago

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Find the area of each figure, round to the nearest tenth if necessary.USE 3.14 for pi

Nina [5.8K]

Answer:

11 is 405, 12 is 107.5, 13 im not sure of

Step-by-step explanation:

First on 11 you can just do 21*21 (the big square) and subtract that by 36 (which is 6*6, the small square), you'll get 107.5.

Then on 12, it is made up of a large rectangle, a small triangle, and a flatter triangle. The top triangle's formula is 1/2(7*3) which = 10.5. The big rectangle is 13*7 = 91. The last triangle is 1/2(4*3) which = 6. It is 3 because 13-10. Add all those up and you should get 107.5.

And I just want to know on number 13 if that 11 is the radius or diameter. I can't seem to tell.

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3 years ago

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professor190 [17]

Answer:

The expression will be $0.333x^{-2}$

Step-by-step explanation:

We have given expression $\frac{x^{-3}x^5}{3x^4}$

We know the property of exponent that when two function are divided then the power of exponent is subtracted and when there is multiplication of two function then exponent is added

So $\frac{x^{-3}x^5}{3x^4}=\frac{x^{2}}{3x^4}=0.333x^{-2}$