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White raven [17]
3 years ago
9

Please help with this maths question

Mathematics
2 answers:
Marat540 [252]3 years ago
3 0
A) 1, 2, 4, 5, and 20.
b) 90
Phantasy [73]3 years ago
3 0

Answer:

Factors of 20: 1, 20, 5,4

Lowest common multiple is 1

Step-by-step explanation:

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Two pennies, a nickel, and a dime are placed in a cup. You draw a first coin and then a second coin.
QveST [7]

Answer:

a) {P1P2, P1N, P1D,P2P1, P2N,P2D,NP1,NP2,ND,DP1,DP2,DN}  

PP=2/12 NP=4/12 DP=4/12 DN=2/12                                                                                                        

b) 1/3

Step-by-step explanation:

Let us call pennies by P1 and P2.

a)There are 12 possible outcomes as it is written above.

b)In order to have 11 cents we need a penny and the dime. There are 4 such possibilities (events). The total number is 12. So the probability is 4/12.

4 0
3 years ago
Which of the following is equivalnt to √20
Elodia [21]
2✓5.
In decimal form, it's 4.5.
6 0
4 years ago
Simplify (3+ radical sign 2)(3- radical sign 2)
Ierofanga [76]

Answer:

using identity (a+b)(a-b) = a^2 -b^2

5 0
3 years ago
A balloon is floating above a lake and a sunken canoe is below the surface of the lake. The balloon’s vertical position is 12 me
kirza4 [7]
You would minus 12 on both sides which would give you d= -16.8 meters it’s a negative answer btw


Hope this helps
8 0
3 years ago
Read 2 more answers
Solve the following equation. <br><br> 4(x+2)-17=35
jasenka [17]

Answer:

Step-by-step explanation:

x=11

6 0
3 years ago
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