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tino4ka555 [31]
3 years ago
14

I need help I need a better understanding

Mathematics
1 answer:
Klio2033 [76]3 years ago
8 0
What is it you need help with?
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The function c(x) = 3x − 4 determines how many cupcakes need to be purchased for a birthday party, where x is the number of kids
harina [27]
D(c(7))
so 

c(7)=21-4=17

d(17)=34+5=39

39$
8 0
3 years ago
Aidan has $65 in his bank account. His brother Michael also has a bank account. They want to calculate the amount of money in bo
Aleks [24]

Answer:

m, the amount of money in Michael's bank account

t, the total between the two bank accounts

the equation could be 65+m= t

hope this helps :)

4 0
3 years ago
Total power generated by wind worldwide doubles every 3 years. In a particular year, the world wind-generating capacity was abou
professor190 [17]
<span>f(t) = 94*1.25992105^t Since the value doubles every three years we want an X such that X^3 = 2 Or in simpler terms, our growth rate is the cube root of 2. So lets get that. To calculate the nth root of a number you can take the logarithm of the number, divide by n, then get the anti-log. So 10^(log(2)/3) = 10^(0.301029996/3) = 10^0.100343332 = 1.25992105 Now the function becomes trivial. I'll use t as the number of years since the baseline capacity was calculated (94 thousand megawatts at t = 0). So f(t) = 94*1.25992105^t</span>
3 0
3 years ago
A) Evaluate 20/101 - 20/99. Express your answer in simplest form.
gulaghasi [49]

Answer:

Rounded Answer: 0

Not Rounded Answer: -0.00198019802

Step-by-step explanation:

Rounded Answer:

20/101 = 0.19801980198

Round that to 0.2

20/99 = 0.2

0.2-0.2 = 0

Not Rounded Answer:

20/101 = 0.19801980198

20/99 = 0.2

Answer: -0.00198019802

3 0
2 years ago
Read 2 more answers
2+2=?<br> What does it equal
Oxana [17]

Answer:

4

Step-by-step explanation:

2 + 2 = 4

4 0
2 years ago
Read 2 more answers
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