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velikii [3]
3 years ago
5

karen and mary are saving money. karen has $1,035 and deposits an additional $125 a week. mary has $2,250 and deposits an additi

onal $100 a week. what is the minimum number of weeks it will take karen and mary to have a total of more than $5,000 savings?
Mathematics
1 answer:
Svet_ta [14]3 years ago
4 0

Answer:

it will take karen 32 weeks and mary 28

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PLEASE  HELP AND PLEASE HAVE THE CORRECT ANSWER !!!!!! THANK YOU
iragen [17]
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2) 3p
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3(2) = \fbox {6}

3) 16 - p
Substitute 2 in for the variable.
16 - 2 = \fbox {14}

4) -12 ÷ p
Substitute 2 in for the variable.
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7 0
3 years ago
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Find the equation of the straight lines passing through the origin that are tangent to a circle with the center (2,1) and a radi
Inessa05 [86]

Answer:

2?

Step-by-step explanation:

5 0
2 years ago
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7t+2r-3t+r what is the answer
Troyanec [42]
This simplifies to 4t+3r
8 0
3 years ago
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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
A survey asked people to name their favorite season. The results of the survey showed that 34% said spring and 15% said fall. Wh
max2010maxim [7]

Answer:

D. 29% and 22%

Step-by-step explanation:

The known percentages are 34% and 15%. Add these two together to get 49%. All four choices should add up to 100%. So subtract to find what remains:

100% - 49%

= 51%

We don't actually have enough information to determine the percents for summer and winter. BUT the only answer that adds up to 51% is answer D. 29% and 22%.

8 0
2 years ago
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