2 years ago

2^2x = 2^3 ,what is the value of x?

Mathematics

1 answer:

Firdavs [7]2 years ago

6 0

Answer:

$x = \frac{3}{2}$

Step-by-step explanation:

${2}^{2x} = {2}^{3 } \\ 2x = 3 \\ x = \frac{3}{2}$

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Tickets for a football match are sold at $30 for EACH adult and $15 for EACH child. A company bought 28 tickets.

horsena [70]

The total number of children's ticket bought is 28 - x

The total cost of adult's ticket is $30x.

The total cost of children's ticket is 420 - 15x.

The total cost of the tickets is 420 - 15x.

<h3>What is the total cost of the tickets bought?</h3>

The total number of children's ticket = total ticket - adult ticket

28 - x

Cost of the adult's ticket = cost per ticket x total ticket bought

$30x

Cost of the children's ticket = cost per ticket x total ticket bought

$15 x (28 - x) = $420 - 15x

Total amount spent = $420 - 15x + 30x = $420 - 15x

To learn more about total cost, please check: brainly.com/question/25717996

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3 years ago

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DochEvi [55]

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Step-by-step explanation:

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3 years ago

82 is 90% of what number?

chubhunter [2.5K]

You need to do like this:
$\frac{no.}{100} = \frac{is}{of}$
Plug the numbers into the formula:
$\frac{82}{100} = \frac{90}{?}$ because they said <u>is </u>90 and <u>of</u> what?
Multiply diagnally: 100 × 90 = 9000 ÷ 82 ≈ 109.76
i don't really sure it was completly correct but hoped it helps:)

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4 years ago

Year Speed 1 38 2 46 3 52 4 57 5 61 3) During which time period was the ANNUAL rate of increase of the speed the GREATEST? HELP

Maksim231197 [3]

Answer: A) from year 1 to year 2

Step-by-step explanation: subtract 46-38=8, I also just took the K12 test and got it right.

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2 years ago

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Alex777 [14]

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