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Alex
4 years ago
8

1)BRAINLIEST + 15 POINTS :)

Mathematics
2 answers:
Daniel [21]4 years ago
5 0

Answer:

14x+7 = 30

Step-by-step explanation:

7y +6 = 36

y = 2x+1

Substitute the second equation into the first for y

7(2x+1) +6 =36

Distribute

14x+7 +6 = 36

14x+13 =36

Subtract 6 from each side

14x+13 -6 = 36-6

14x+7 = 30

Zigmanuir [339]4 years ago
4 0

Answer:

A

Step-by-step explanation:

7y + 6 = 36

7(2x + 1) + 6 = 36

14x + 7 + 6 = 36

14x + 13 = 36

14x + 13 - 6 = 36 - 6

14x + 7 = 30

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3(2)-2(1)

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Dara buys a small drink for $1.75. A large drink costs 1.6 times as much as a small drink.
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A telephone solicitor is responsible for canvassing three suburbs. In the past, 60% of the completed calls to Belle Meade have r
igor_vitrenko [27]

Answer:

0.4625 or 46.25%

Step-by-step explanation:

The data for the percentage of contribution and the percentage of numbers from each suburb is presented in the table bellow:

\begin{array}{ccc}&Contribution (C)&Number(N)\\Belle\ Mead&0.60&0.25\\Oak\ Hill&0.55&0.25\\Antioch&0.35&0.5\end{array}

The probability that she gets a donation is given by the sum of the probabilities of getting a donation from each suburb weighed by their respective percentage of numbers of the list:

P(C) = P(C_B)+P(C_O)+P(C_A)\\P(C) =0.6*0.25+0.55*0.25+0.35*0.5\\P(C) = 0.4625

The probability that she gets a donation is 0.4625 or 46.25%.

7 0
3 years ago
I WiLL GiVe BrAnYeSt
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Answer:

the answer is 529

Step-by-step explanation:

divide 7,406 and 14 and the answer is 529

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