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Mnenie [13.5K]
3 years ago
8

Jen Butler has been pricing​ Speed-Pass train fares for a group trip to New York. Three adults and four children must pay $ 136.

Two adults and three children must pay $ 97. Find the price of the​ adult's ticket and the price of a​ child's ticket.
Mathematics
1 answer:
vagabundo [1.1K]3 years ago
4 0

Answer:

A=20 C=19

Step-by-step explanation:

3A+4C=136

2A+3C=97

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The current price for gasoline is $3.049 per gallon. A customer puts 7.45 gallons in her car. How much does she pay for the gas?
Mnenie [13.5K]

Answer:

$22.72 for gas

Step-by-step explanation:

If each gallon costs $3.049, then we multiply the cost of each gallon by 7.45

3.049 x 7.45 = 22.71505

As the question asks us to round to the nearest cent in 22.71505, we would round up.

Your answer is $22.75 for gas

5 0
3 years ago
Factor completely 12x^2 - 9x + 15
alexgriva [62]

Answer:

3(4x^2-3x+5)

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
John wants to measure the height of a tree. He walks exactly 100 feet from the base of the tree and looks up. The angle from the
kenny6666 [7]

Answer:

The height of the tree is 64.94\ ft

Step-by-step explanation:

Let

y ----> the height of the tree

we know that

tan(33\°)=y/100 ----> the function tangent is equal to divide the opposite side angle of 33 degrees by the adjacent side angle of 33 degrees

Solve for y

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5 0
3 years ago
Can someone tell me how this is wrong
alexgriva [62]

Answer:

There must have been a system of equations or some example given that had to be analysed.

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Step-by-step explanation:

8 0
4 years ago
D=xlx is a whole number)
prohojiy [21]

Answer:

Option (4)

Step-by-step explanation:

D = {x| x is a whole number}

D = {1, 2, 3, 4..........}

E = {x | x is a perfect square between 1 and 9}

E = {4}

F = {x | x is an even number greater than 2 and less than 9}

F = {2, 4, 6, 8}

(E ∩ F) = Set of common numbers of E and F

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D ∩ (E ∩ F} = Set of common numbers in the sets of D and (E ∩ F)

                   = {4}

Therefore, Option (4) will be the answer.

8 0
3 years ago
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