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3 years ago

Type in expanded form. Use parentheses to indicate multiplication. (3x)²

Mathematics

1 answer:

Brrunno [24]3 years ago

3 0

Hint: $\bf (abc)^z\implies a^zb^zc^z\impliedby \textit{apply the exponent to "all" factors}$

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Help please i need the correct answer

aivan3 [116]

Answer:

the first one will be a <u>positive correlation</u>

the answer for the second Q will be 16

Step-by-step explanation:

have a nice day

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2 years ago

What is 5/16 expressed as a percent? Enter your answer in the box.

Paraphin [41]

5/16 as a decimals. Divide 5 by 16 = 0.3125 times 100 = 31.25%

8 0

3 years ago

Read 2 more answers

True/False

pantera1 [17]

Answer:

true

Step-by-step explanation:

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2 years ago

If exactly 180 people sign up for a charter flight, Leisure World Travel Agency charges $298/person. However, if more than 180 p

lesantik [10]

Answer:

The max. revenue is $57,121.

This happens with 239 passengers.

The price of the ticket is $239 per person.

Step-by-step explanation:

Let the variable "P" denote the number of passengers.

If P=180, then the ticket cost is $298/person. Then the price is reduced by $1 for each additional person.

In general, if P=(180+x), then the ticket cost becomes (298-x) per person.

The revenue can be defined as the ticket cost multplied by the number of passengers:

$R=P*T=(180+x)(298-x)=53,640-180x+298x-x^2\\\\R(x)=-x^2+118x+53,640$

We can derive R and equal to zero to maximize the function.

$dR/dx=-2x+118=0\\\\x=118/2=59$

The amount of passengers is:

$P=180+x=180+59=239$

The price of the tickets is

$T=298-59=239$

The revenue is:

$R(59)=(180+59)(298-59)=239*239\\\\R(59)=57,121$

3 0

3 years ago

Ella has $115. She wants to purchase a cell phone for $53 and spend the rest on music. Each music download cost $9. Write and so

Mumz [18]

Answer: 6.89

Step-by-step explanation:

9x+53>= 115

Subtract 53 from both sides

9x+(53-53) >115-53

9x>62

Divide both sides by 9.

9x÷9>62÷9 = 6.889

3 0

2 years ago