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Sergio [31]
2 years ago
13

Help, Im not smart and I don't get this.

Mathematics
1 answer:
daser333 [38]2 years ago
8 0

Answer:

The number of students enrolled at a college is 18,000 and grows 3% each year. Complete parts (a) through (e).​

​a) The initial amount a is 18,000.

​b) The percent rate of change is 3%, so the growth factor b is 1 + 0.03 = 1.03.

​c) To find the number of students enrolled after one​ year, you calculate 18,000 · 1.03.  

​d) Complete the equation y = 18000 · 1.03^2 to find the number of students enrolled after x years.

​e) Use your equation to predict the number of students enrolled after 21 years.

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Pls help! I need this for a test tomorrow
sergij07 [2.7K]

Answer:

I didn't know if you wanted to get the answer

5 0
3 years ago
The altitude of a triangle is 2 m longer than its base. What are the dimensions of the altitude and the base if thearea of the t
HACTEHA [7]

Step-by-step explanation:

Let base of triangle be x m.

Therefore, altitude =( x + 2)m

area \: of \:  \triangle =  \frac{1}{2}  \times base \times altitude \\  \\ 40 =  \frac{1}{2}  \times x \times (x + 2) \\  \\ 80 =  {x }^{2} +2x \\  \\   {x}^{2}  + 2x - 80 = 0 \\  {x}^{2}  + 10x - 8x - 80 \\ x(x + 10) - 8(x + 10)  = 0\\ (x + 10)(x - 8) = 0 \\ x + 10 = 0 \:  \: or \:  \: x - 8 = 0 \\ x =  - 10 \:  \: or \:  \: x = 8 \\ base \: can \: not \: be \:  - ve \\ x \neq - 10 \\ x = 8 \\ x + 2 = 8 + 2 = 10 \\

Therefore

Altitude = 10 m

Base = 8 m

8 0
3 years ago
42 birthday cakes in 777 days How many birthday cakes can Mark make in 555 days?
qwelly [4]
777 divided by 42 is... 18.5
555 divided by 42 is... 13.21
3 0
3 years ago
8 1/2 + 7 2/3 = Write the answer as a mixed number.
Digiron [165]

let's firstly convert the mixed fractions to improper fractions, and then add them up.

\bf \stackrel{mixed}{8\frac{1}{2}}\implies \cfrac{8\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{17}{2}}~\hfill \stackrel{mixed}{7\frac{2}{3}}\implies \cfrac{7\cdot 3+2}{3}\implies \stackrel{improper}{\cfrac{23}{3}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{17}{2}+\cfrac{23}{3}\implies \stackrel{\textit{using the LCD of 6}}{\cfrac{(3)17~~+~~(2)23}{6}}\implies \cfrac{51+46}{6}\implies \cfrac{97}{6}\implies 16\frac{1}{6}

7 0
3 years ago
How can I use decimal models to subtract decimals
Pepsi [2]
Just act like you are subtracting normal numbers, and then an a decimal in front of the answer!
3 0
3 years ago
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