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andre [41]
2 years ago
15

Three more than a number is 15

Mathematics
1 answer:
podryga [215]2 years ago
7 0

Answer:

The number is 12

Step-by-step explanation:

If 15 is three more than the number is three less so you do, 15 - 3 which is 12.

I hope this helps

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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
2 years ago
Plzzzzz helppp I’ll give Brainly
MatroZZZ [7]
Answer: it’s b

Reason
6 0
2 years ago
Read 2 more answers
(5, -1), (2.4) answer 1: 5/3 answer 2: -5/3
andreyandreev [35.5K]
Slope= -5/3 when using y^2-y^1 divided by x^2-x^1
8 0
2 years ago
What is the answer for the last 2 questions
arsen [322]
A. is 20ft I believe but I don't know the other one

5 0
3 years ago
An airline offers daily flights between Chicago and Denver. The total monthly cost C (in millions of dollars) of these flights c
Ira Lisetskai [31]

Answer:

   6250

Step-by-step explanation:

Fill in the given number and solve for x. The answer is 1000x, rounded.

  C=\sqrt{0.2x+1}\\\\1.5=\sqrt{0.2x+1} \quad\text{use given value for C}\\\\2.25=0.2x+1 \quad\text{square both sides}\\\\1.25=0.2x \quad\text{subtract 1}\\\\6.25=x \quad\text{multiply by 5}

x is in thousands, so 6.25×1000 = 6,250 passengers flew in June.

8 0
3 years ago
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