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jek_recluse [69]
3 years ago
6

Barty has 70 balloons, and he will pop four of them every second. Fill in the missing information on the table, it relates b, th

e number of balloons he has left, to t, the time in seconds. Then, write a sentence answering why this is or isn't a proportional relationship.

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
4 0
T b
0 70
1 66
2 62
3 58
4 54

This is not a proportional relationship because the ratios are not equivalent.
1/66 (t/b) is not equivalent to 2/62 (t/b).
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The planning committee at school has 10 members. Exactly four of these members are teachers. A four-person subcommittee with at
Kipish [7]

Answer:

865

Step-by-step explanation: The set of possibilities are:

Subcommittee  is of 4 people according to:

4  teachers    0 other member       total possibilities    1

3  teachers     1     teachers  C₄,₃  = 4   and  other member  6    6*4   =  24

2 teachers     2      C₄,₂  =  4!/2!  = 12    2 (om)    and  C₆,₂   =  6!/4!  = 30

30*12  = 360

1  teacher        3     (om)               4         and  C₆,₃ = 6!/3!   =  120

120*4  = 480

Total ways of committee    1  + 24  + 360 +  480  = 865

4 0
3 years ago
What is the value of X?
LenKa [72]

Answer:

5.625 or 5-5/8 or 45/8

Step-by-step explanation:

Solve using Similar triangles again

ratio of 4:7.5

3/x=4/7.5 cross multiply

22.5=4x

x=22.5/4=5.625=5-5/8=45/8

7 0
3 years ago
What type of number is v5?
scoundrel [369]
The square root 5 is irrational because a square root of a positive number is either an integer or irrational number. Therefore it is irrational.
7 0
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10 POINTS!! PLEASE HELP Identify which functions have complex roots by selecting the function names on the provided coordinate p
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It's the graphs that don't touch the x-axis have complex roots. Roots are the points where the parabola touches the x-axis. A,C and E all cross/touch the x-axis so they have real roots.


non-real or complex root parabolas are: B, D, F
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