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Novosadov [1.4K]
3 years ago
10

Plzzz guys help I'm so confused

Mathematics
2 answers:
GalinKa [24]3 years ago
4 0

Answer:

<u>y = 320,000 ( 1.048 ) ^x</u>

x = number of years

(the  ^  before the x symbolizes "to the power of," but I can't do that on my keyboard)

Step-by-step explanation:

formula i used:

A = <em>amount that you start with</em>

t = amount of years / time

%increase: you must convert your percent (4.8%) to a decimal (0.048)

A ( 1 + %increase ) ^t

iris [78.8K]3 years ago
4 0

Answer:

y = 320,000(1.048)^t  

Step-by-step explanation:

4.8% = 0.048.

The population grows by 1.048 per year.

The required equation is:

y = 320,000(1.048)^t

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Hope made 3 different yo-yo's. She used 1 3/4 meters of string for the first yo-yo, 1 meter of string
Nat2105 [25]

Answer:

See explanation

Step-by-step explanation:

Your question is different from the attachment

Statement 1

1 adult + 5 Children

$4 for adult and total of $16 for both adult and children

Let

Cost of children skating = x

The equation is

4 + 5x = 16

Statement 2:

Cost of making a bike bag= $4

Selling price of the bike bag = $5

Profit = $16

Let x = number of bike bag

Profit = selling price - cost price

16 = 5x - 4x

16 = x(5 - 4)

Also written as

(5 - 4)x = 16

Statement 3:

Initial temperature = 16°C

Change in temperature per hour = 4°C

Final temperature = 5°C

Let

x = number of hours it changes

16 - 4x = 5

Hope made 3 different yo-yos. She used 1 3/4 meters of string for the first yo-yo, 1 meter of string for the second yo-yo, and a total of meters of string 4 1/3

length of first yo-yo = 1 3/4

length of second yo-yo = 1

Length of third yo-yo = x

Total = 4 1/3

Total length = length of first yo-yo + length of second yo-yo + length of third yo-yo

4 1/3 = 1 3/4 + 1 + x

4 1/3 = 2 3/4 + x

4 1/3 - 2 3/4 = x

13/3 - 11/4 = x

(52-33) / 12 = x

19/12 = x

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5 0
3 years ago
What is the answer to 7f/11 =7/11
serious [3.7K]
So,

\frac{7f}{11} =  \frac{7}{11}

Multiply both sides by 11.
7f = 7

Divide both sides by 7.
f = 1

Check.
\frac{7(1)}{11} =  \frac{7}{11}
\frac{7}{11} =  \frac{7}{11} This checks.

S = {1}
5 0
3 years ago
Read 2 more answers
I need help on this cause I got the last one wrong..
mihalych1998 [28]

Answer:

"All integers are irrational numbers" False

"No whole numbers are irrational numbers" True

"Some rational numbers are not integers" True

"Some integers are not whole numbers" True

Step-by-step explanation:

I'm 100% sure of this.

5 0
2 years ago
A new business had a profit of $6,500 in the first month, a loss $1,200 in the second month and a loss of $1,300 in the third mo
Rufina [12.5K]

Answer:

$4000 net profit

Step-by-step explanation:

Profit adds to the net revenue, while loss subtracts from it.

So 6500 is positive but 1200 and 1300 are negative.

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8 0
2 years ago
Find the values of the trigonometric functions of θ from the information given.
OLga [1]

Answer:

  • sin(θ) = -(4√15)/17
  • cos(θ) = 7/17 . . . . . . . given
  • tan(θ) = -(4√15)/7
  • csc(θ) = -(17√15)/60
  • sec(θ) = 17/7
  • cot(θ) = -(7√15)/60

Step-by-step explanation:

The relationship between sine and cosine is ...

  sin² + cos² = 1

Solving for sine gives ...

  sin = ±√(1 -cos²)

In this problem, we want the negative root.

  sin(θ) = -√(1 -(7/17)²) = -√(240/289) = -(4√15)/17

  tan(θ) = sin(θ)/cos(θ) = ((-4√15)/17)/(7/17) = -(4√15)/7

___

And the inverse functions are ...

  sec(θ) = 1/cos(θ) = 17/7

  csc(θ) = 1/sin(θ) = -17/(4√15) = -(17√15)/60

  cot(θ) = 1/tan(θ) = -(7√15)/60

_____

Of course, you're aware that 1/√15 = (√15)/15.

3 0
3 years ago
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