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spayn [35]
2 years ago
7

Will mark correct answer brainly.

Mathematics
1 answer:
Furkat [3]2 years ago
4 0

Answer:

Step-by-step explanation:

Volume of Cone =1 \div 3 \times \pi \times r { \times h}^{2}1÷3×π×r×h

2

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PLZ HELPP expand and simplify by collecting like terms <br> -2(4x+2y)(2x-y)
svet-max [94.6K]

Answer:

-4( 4x^2 -y^2)

Step-by-step explanation:

so I did the step on the paper

first line : is the equation itself

2nd line : I multiple the term in the parentheses together

3rd line: I multiple the - 2 to the term I got

4th line : I simplify it

6 0
2 years ago
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Round each number to the nearest ten. What is the best estimate for the answer to 343.42 – 39.87?
Dafna11 [192]
The original answer for that question would be 303.55. The best estimate when you round to the nearest tenth the approximate answer would be 303.6 because the 5 in the hundredths place rounds the 5 in the tenths place to a 6. So the approximate answer would be 303.6....hope this helps. 
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3 years ago
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Which polygon has interior angles whose measures sum to 720°?
4vir4ik [10]

Answer:

Hexagon

Step-by-step explanation:

Explanation: The sum of the interior angles of a hexagon must equal 720 degrees. Because the hexagon is regular, all of the interior angles will have the same measure. A hexagon has six sides and six interior angles.

7 0
2 years ago
A bag contains 10 red marbles, 15 green marbles, and 15 blue marbles. If Dawshawn draws a marble from the bag, what is the proba
Lyrx [107]

Answer:

10/40 or a 1 in 4 chance he will grab a red marble

Step-by-step explanation:

You add up all of the marbles;

10+15+15

40

Now you take the number of red marbles are divide it by 40;

10/40

That is your answer.

5 0
3 years ago
the angle of elevation of a jet plane from a point P on the ground is 60 degree after a flight of 15 seconds the angle of elevat
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Answer:

200m/s

Step-by-step explanation:

Please see the attached pictures for full solution.

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