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lisabon 2012 [21]
4 years ago
8

Any suggestions or answers

Mathematics
1 answer:
Ahat [919]4 years ago
7 0

Answer:

A=675cm²

Step-by-step explanation:

Area of triangle=1/2(base × height)

A=1/2(b × h)

A=1/2(6x × 9x)

where x=5

A=1/2(6×5×9×5)

A=1/2(30×45)

A=1/2(1350)

divide 1350 by 2

A=675cm²

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Anyone please help me? tysm!
Oksana_A [137]

Answer:

6 ft

Step-by-step explanation:

The surface area of a cube is given by

SA = 6s^2

216 = 6s^2

Divide each side by 6

216/6 = 6s^2/6

36 = s^2

Take the square root of each side

sqrt(36) = sqrt(s^2)

6 =s

Each side is 6ft

7 0
4 years ago
Three cards are chosen from a standard deck of 52 playing cards with replacement. What is the probability every card will be a h
Fudgin [204]

Answer:

b 1/64

Step-by-step explanation:

well, total heart cards in deck are 13


so, in first case prob of 1 heart is  = 13/52 = 1/4


combined prob  = 1/4  *  1/4  *1/4  =  1/64

please leave me a brainliest asnwer i onnly need one more :)


7 0
3 years ago
Pls help ill give credits and please NO LINKS
Romashka [77]
If you say “no links” they’ll most likely give you a link


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4 0
3 years ago
Solve for x.<br> X^2-20x+100=0
erastovalidia [21]

Answer:

x=10

Step-by-step explanation:

x^2-20x+100=0

x^2-20x=-100

x^2=-100+20x

x^2+100=20x

100=10x

x=10

Hope this helps plz hit the crown ;D

3 0
3 years ago
Read 2 more answers
Can u help me from 1-3 SHOWING all the work also please
Artist 52 [7]
The first question is this: the smallest square is square A, and that is 9 units. and square E is two times that, and so on.

Square A's side length is 9 units and the area is 81.
Square E's side length is 18 and the area is 324.
Square C's side length is 27 and the area is 729.
Square B's side length is 36 and the area is 1,296.
Square D's side length is 45 and the area is 2,025
7 0
3 years ago
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