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Reil [10]
2 years ago
9

16. The original price of a tie is $12.50. The new price of the tie is now

Mathematics
1 answer:
jarptica [38.1K]2 years ago
4 0
The tie was marked down by 40%
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Complete the table shown to the right for the population growth model for a certain country.
marta [7]

The size of the population increases when the growth rate is positive and

decreases for a negative growth rate.

The completed table is presented as follows;

\begin{array}{|c|c|c|}2003 \ Population (millions)&Projected \ 2029 \ Population \ (millions)&Growth \ rate \  K \\40.5&20.9&-2.255\%\end{array}\right]

Reasons:

The table is presented as follows;

\begin{array}{|c|c|c|}2003 \ Population (millions)&Projected \ 2029 \ Population \ (millions)&Growth \ rate \  K \\40.5&20.9&\end{array}\right]

The population in growth rate is given by the following formula;

P = a·(1 + r)ˣ

Where;

a = The initial population in 2003 = 40.5 million

P = The population in 2029 = 20.9 million

x = The number of years = 2029 - 2003 = 26

Therefore;

20.9 = 40.5 × (1 + r)²⁹

\left (1 + r\right)^{29} = \dfrac{20.9}{40.5}

r = \left(\dfrac{20.9}{40.5} \right)^{\dfrac{1}{29} } - 1 \approx  -0.02255

The population growth rate is r ≈ -0.02255 = -2.255 %

The completed table is therefore;

\begin{array}{|c|c|c|}2003 \ Population (millions)&Projected \ 2029 \ Population \ (millions)&Growth \ rate \  K \\40.5&20.9&-2.255\%\end{array}\right]

Learn more here:

brainly.com/question/25354980

6 0
2 years ago
giving brainliest to whoever explains best. don't answer if you don't speak english well. don't answer if you're 9 years old. do
Marta_Voda [28]

Answer:

Gillmans

Step-by-step explanation:

I feel like gillmans class did better cuz their class didnt have anyone get a score less than 60 but mr athens class had people who got below 50. Although athens class has people over 95 the most were 60-90 while gillmans was 70-90

8 0
3 years ago
Should I be thankful to my little brother when this is his first time making mac and cheese and he gives me a little and I ALWAY
Elodia [21]

Answer:

Help him learn and if you do it together then you will have leverage to say that 1/2 of it is yours since you helped him make it

Step-by-step explanation:

8 0
2 years ago
Five plus a x divided by 6 equals six.<br> What is x?
attashe74 [19]
The answer is 31 because 5+31 = 36 and 36 divided by 6 = 6

hope this helps!
4 0
3 years ago
See image for question.<br><br>Please show workings and diagrams.​
juin [17]

Answer:

  • a) 16.4 m, 101°
  • b) 6.22 m, 51 m²

Step-by-step explanation:

<u>Find the measure of angle Q:</u>

  • 50° + (180° - 130°) = 100°

a) <u>Find PR using the law of cosines:</u>

  • PR = √(8² + 13² - 28*13*cos 100°) = 16.4 m (rounded)

<u>Find ∠P using law of sines:</u>

  • 16.4/sin 100° = 13/ sin P
  • m∠P = arcsin (13 sin 100° / 16.4) = 51° (rounded)

<u>The bearing of R from P is:</u>

  • 50° + 51° = 101°

b)

<u>Find the measure of h, the distance from Q to PR:</u>

  • h/ PQ = sin P
  • h = PQ sin P
  • h = 8 sin 51° = 6.22 m

<u>Find the area of ΔPQR:</u>

  • A = 1/2PR*h
  • A = 1/2(16.4)(6.22) = 51 m²

7 0
2 years ago
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