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FrozenT [24]
2 years ago
12

Mr. Ramirez purchased 20 concert tickets for a total of $225. The concert tickets cost $15 for adults and $10 for children under

the age of 12. Part A: Write a system of equations to represent the given scenario. Use the variable "a" for adults and "c" for children.
Mathematics
1 answer:
sveticcg [70]2 years ago
5 0

Answer:

$225 = $15 a + $ 10 c

Step-by-step explanation:

Given,

Total price = $225

Cost of concert ticket for adults= $15

Cost of concert ticket for children = $10

System of equation to represent scenario

a is variable for adult

c is variable for children

Now,

Total price =  $15 a + $ 10 c

$225 = $15 a + $ 10 c

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T(t)=67+133e^(tln(128/133)/10), if T(t)=180

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113=133e^(tln(128/133)/10)

113/133=e^(tln(128/133)/10)

ln(113/133)=tln(128/133)/10

10ln(113/133)=tln(128/133)

t=10ln(113/133)/ln(128/133)

t≈42.5 minutes...

t≈40 minutes (to nearest 5 minutes? :P)


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2 years ago
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Which could be the dimensions of a rectangular prism whose surface area is greater than 140 square feet? Select three options,
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Answer:

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Step-by-step explanation:

The formula to find the surface area of a rectangular prism is SA=2(wl+hl+hw)

All you have to do is go through all the options given to you to figure out which retangular prisms have a surface area greater than 140 square feet.

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SA = 2(74)

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SA = 2(94)

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2 years ago
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I hope choices must be given in the problem.

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