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slavikrds [6]
3 years ago
15

The number of people that belong to a certain social website is 412 and growing at a rate of 5% every month. How many members wi

ll there be in 9 months? Enter your answer in the box. Round to the nearest whole number.
Mathematics
2 answers:
umka21 [38]3 years ago
8 0
<span>Initial number of the people that belong to a certain social website is 412. It is growing at a rate of 5% every month. It means that every month the number of people is growing 1.05 times. We can calculate how many of them will there be in 9 months: 412 * 1.05^9 = 412 * 1.55 = 638.6. When we round to the nearest whole number: there will be 369 members.</span>
MrRissso [65]3 years ago
3 0

Answer:<u>639</u>


Step-by-step explanation:

The equation for exponential growth is: initial amount( 1 + rate in decimal form)^time

So we put in our numbers and it is:  412( 1 + 0.5) ^ 9 = 639 (rounded)


I know this is late but I hope I helped anyone who's looking for an explanation now!

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Solve by substitution <br><br> 4x+2y=10<br> x-y=13
Savatey [412]
<span>4x+2y=10
x-y=13

x=13+y
4(13+y)+2y=10
52+4y+2y=10
52+6y=10
6y=-42
y=-7
x=13+y=13-7=6

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8 0
3 years ago
Read 2 more answers
Click on the picture thanks so much
-BARSIC- [3]

Answer:

$3.06

Step-by-step explanation:

First we need to calculate the mark up

The mark-up rate is 150% = 1.5 as a decimal

New price = original price + original price * markup rate

                 = 61.20 + 61.20* 1.50

                 = 61.20 + 91.80

                = 153

The new price is 153.00

Commission is the price times his commission rate

commission = price* .02

                    = 153*.02

                     = 3.06

Neil will make 3.06 on the sale of the table

7 0
3 years ago
Find the 3rd term in (x-9)^7
Llana [10]

Answer:

The 3rd term would be the parenthesis to the 7th power.

8 0
3 years ago
Find the net change in the value of the function between the given inputs. h(t) = t2 + 2; from −5 to 8
pashok25 [27]

Answer:

39

Step-by-step explanation:

Given the function :

h(t) = t² + 2

From t = 5 to t = 8

when, t = 5

h(5) = 5² + 2

h(5) = 25 + 2

h(t) at t = 5 ; equals 27

when, t = 8

h(5) = 8² + 2

h(5) = 64 + 2

h(t) at t = 8 ; equals 66

Net Change :

h(8). - h(5)

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3 0
3 years ago
Point G is the centroid of the right △ABC with m∠C=90° and m∠B=30°. Find AG if CG=4 ft.
o-na [289]

Answer: \text{Length of AG=}\frac{2\sqrt{63}}{3}

Explanation:  

Please follow the diagram in attachment.  

As we know median from vertex C to hypotenuse is CM  

\therefore CM=\frac{1}{2}AB

We are given length of CG=4  

Median divide by centroid 2:1  

CG:GM=2:1  

Where, CG=4

\therefore GM=2 ft

Length of CM=4+2= 6 ft  

\therefore CM=\frac{1}{2}AB\Rightarrow AB=12

In \triangle ABC, \angle C=90^0

Using trigonometry ratio identities  

AC=AB\sin 30^0\Rightarrow AC=6 ft

BC=AB\cos 30^0\Rightarrow BC=6\sqrt{3} ft  

CN=\frac{1}{2}BC\Rightarrow CN=3\sqrt{3} ft

In \triangle CAN, \angle C=90^0  

Using pythagoreous theorem  

AN=\sqrt{6^2+(3\sqrt{3})^2\Rightarrow \sqrt{63}

Length of AG=2/3 AN

\text{Length of AG=}\frac{2\sqrt{63}}{3} ft


5 0
3 years ago
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