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natka813 [3]
4 years ago
5

Brian is ordering tickets online for a concert. the price of each ticket for the concert is t dollars. for online orders there i

s an additional charge of $11 per ticket and a service charge of $14 for the entire order. the cost for 7 tickets can be represented by the expression 7(t + 11) + 14.
write two expressions equivalent to the cost expression. then, find the total cost of brian’s online order if the price of each ticket for this concert is $33
Mathematics
1 answer:
Grace [21]4 years ago
4 0

7 tickets: 7(t + 11) + 14


Distribute the 7 inside the parentheses.

(7t + 77) + 14


Add 77 and 14.

7t + 91


(7t + 77) + 14 and 7t + 91 are two expressions equivalent to the cost expression.


Now plug in 33 for t in the original cost expression.

7(t + 11) + 14


7(33 + 11) + 14

Distribute 7 inside the parentheses.


(231 + 77) + 14 = 322


The total cost of Brain's online order is $322.

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Hey!

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We know that (a = -3), (b = 2), (c = 5), and (d = -4)

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Question 6:

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Which expression is equivalent to 4 (9 + 7)
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2 years ago
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Answer: Last Option

H (m) = 25 + 3m\\H (m) = 10 + 8m

Step-by-step explanation:

The initial height of the plant of species A is 25 cm and grows 3 centimeters per month.

If m represents the number of months elapsed then the equation for the height of the plant of species A is:

H (m) = 25 + 3m

For species B the initial height is 10 cm and it grows 8 cm each month

If m represents the number of months elapsed then the equation for the height of the plant of species B is:

H (m) = 10 + 8m

Finally, the system of equations is:

H (m) = 25 + 3m\\H (m) = 10 + 8m

The answer is the last option

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