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Stella [2.4K]
3 years ago
7

A gym membership has an application fee of $5 plus $20 per month. Which function represents the cost of a gym membership, where

x is the number of months?
Question 9 options:

A)

f(x) = 20x + 5


B)

f(x) = 5(20)x

C)

f(x) = 5x + 20

D)

f(x) = 5x2 + 20
Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
6 0

Answer:

c

Step-by-step explanation: always go with c, no matter what

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Three and two forths - one and two thirds = <br> 3 2/4 - 1 2/3 =
soldier1979 [14.2K]

Answer:

1.83333333333

Step-by-step explanation:

pls mark me brainliest

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8 0
3 years ago
The promising alternative energy sources currently under development are fuel cell technology and large-scale solar energy power
Mumz [18]

Answer:

Step-by-step explanation:

a) Denote the event of commercially availability of f_uel cell technology as F_, commercial availability of solar power technology as S

Write the probability of energy supplied by these energy sources in the next 10 years  

P(energy supplied) = P(S ∪ F) -----(1)

Rewrite eqn (1)

P(energy supplied) = P(S) + P(F) - P(F) P(S) ----(2)

substitute 0.85 for P(S) and 0,7 for P(F) in eqn (2) to find the probability of energy supplied by these energy sources

P(energy supplied) = 0.85 + 0.7 - (0.7 * 0.85)

= 0.85 + 0.7 - (0.595)

= 1.55 - 0.595

= 0.955

Therefore, the probability that there will be energy supplied by these two alternative sources in the next 10 years is 0.955

B) write the probability of only one source of energy available

P(only one source of energy available) = P(\bar F S) ∪ P( \bar S F) ---(3)

Rewrite the equation (3)

P(only one source of energy available) =

=P(\bar F S)+P(\bar S F)\\\\=\{[1-P(F)]P(S)+[1-P(S)]P(F)\}---(4)

=\{[1-0.7]0.85+[1-0.85]0.7\}\\\\=0.255+0.105\\\\=0.36

Therefore,The probability that only one of the two alternative energy sources will be commercially viable in the next 10 years is 0.36

4 0
3 years ago
Question one* w•63=11<br>question two* 17=t•90
umka2103 [35]
#1 - 11/63
#2 - 17/90
3 0
3 years ago
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Given that 7 x − 2 y = 35 Find y when x = − 9
Sergio [31]

so x = minus 9

then

7 × (-9) - 2y = 35

-63 - 2y = 35

-2y = 35 plus 63

-2y = 98

- y = 49

y = -49

3 0
3 years ago
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David is 4 times older than Adan. Adan is 2 times older than julio. Julio is 12, how old is David?
dem82 [27]
12 x 2 = 24 (Julio), 24 x 4 = 96 (David).
3 0
3 years ago
Read 2 more answers
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