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3 years ago

15. Mr and Mrs Thomas buy tickets for themselves and their four children.

Mathematics

2 answers:

Alexandra [31]3 years ago

8 0

Answer:

$102.33

Step-by-step explanation:

586= 4t + 2(t+7)

586= 4t +2t +14= 6t +14

572= 6t

95.33=t

adult ticket = t +7

Amanda [17]3 years ago

7 0

The answer is 102.33

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Andrea paid $9.99 to join an online music service. If she purchases 12 songs each month at a cost of $0.80 per song, what will b

Taya2010 [7]

Answer:

67.59

Step-by-step explanation:

12x0.80=9.60, 9.60x6=57.6, 57.6+9.99=67.59

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3 years ago

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P(t+1)=-2<br>how would solve for t

Phantasy [73]

P(t+1) = -2

divide by P
Subtract 1

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3 years ago

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Step-by-step explanation:

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3 years ago

Suppose an opaque jar contains 3 red marbles and 10 green marbles. The following exercise refers to the experiment of picking tw

kow [346]

Answer:

$\frac{5}{13}$

Step-by-step explanation:

Given,

Red marbles = 3,

Green marbles = 10,

So, the total marbles = 3 + 10 = 13,

$\because \text{Probability}=\frac{\text{Favourable outcomes}}{\text{Total outcomes}}$

Since, here replacement is not allowed,

Thus, the probability of getting a green marble and a red marble

= first red and second green + first green second red

$=\frac{3}{13}\times \frac{10}{12}+\frac{10}{13}\times \frac{3}{12}$

$=2\times \frac{3}{13}\times \frac{10}{12}$

$=\frac{30}{78}$

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Note : The probability of getting a green marble first and a red marble second

= $\frac{10}{13}\times \frac{3}{12}$

$=\frac{30}{156}$

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3 years ago

What is 45% of 90 ?

Liula [17]

Answer:

40.5

Step-by-step explanation:

This answer makes sense because we know that 50% of 90 is 45.

Since 45% of 90 is 40.5, we can self-check our answer.

Hope I helped!

~PumpkinSpice1♥

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3 years ago

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