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notka56 [123]
3 years ago
13

I need help in this question :(

Mathematics
1 answer:
aliya0001 [1]3 years ago
7 0

Answer:

c

Step-by-step explanation:

If you rotate the triangle U lines up with E and T lines up with D

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Helppp please reallly fasttt!!!
Bingel [31]

Answer:

Step-by-step explanation:

3^{2}+ 7^{2} = EF^{2}

58=EF^{2}

EF=\sqrt{58}

4 0
3 years ago
PLEASE HELP !!!!! Find the surface area of a cone with radius of 7.9 cm and slant height of 3.7 cm, to the nearest square unit.
Anon25 [30]
For this case what you need to know is that the formula for the total surface area of a straight cone is
 S.A = πrl + π r ^ 2
 Substituting the values we have:
 S.A = (3.14) * (7.9) * (3.7) + (3.14) * (7.9) ^ 2
 S.A = 287.7496 cm ^ 2
 Answer:
 the surface area of a cone is
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3 0
3 years ago
Which expression is equal to 6a^2-30a/a-2 x a^2+2a-8/2a^3-10a^2
Sphinxa [80]
The expression is equal to 2a(2a_8) a2,_10
7 0
4 years ago
Write the integers in order from greatest to least. 11, 9, -9, -6
Sergio [31]

Answer:

11, 9, -6, -9

Step-by-step explanation:

Hope that helps

Sorry :( if it is wrong

If we use a number line

Eg below

12 11 10 9 8 7 6 5 4 3 2 1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12

Visual of what it would look like from greatest to least

3 0
3 years ago
Read 2 more answers
Given the following scenario, decide if it is a permutation or combination. Then calculate the number of possibilities. (Please
sergey [27]
The right answer for the question that is being asked and shown above is that:

There are...
15 * 14 * 13 * 12 ways in order to know the four finalists.
This is equal to 32,760 ways i n order to know the four finalists.
6 0
3 years ago
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