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alina1380 [7]
3 years ago
10

A media company wants to track the results of his new marketing plan so the video production manager recorded the number of use

for one of the companies online videos the results of the first five weeks are shown in this table..
Write an equation to model the relationship between the number of weeks, x, and the number of views, f(x).

Mathematics
1 answer:
konstantin123 [22]3 years ago
6 0

Answer:

f(x)=5120(5)^{x}

Step-by-step explanation:

From the image, f(x) and x are rlated by

f(x)=a( {b})^{x}

where b is the common ratio

We first find the value for b

\frac{6400}{5120}= 5

\frac{8000}{6400}= 5

\frac{10000}{8000} = 5

\frac{12500}{10000} = 5

\frac{15625}{12500}=5

so we can say the common ratio, b=5

we put in any value of f(x) and the corresponding value for x to find a value

Let put x=0 and f(x)=5120

This implies that

5120 = a(5)^{0}

but

5^{0} = 1

Hence a=5120

Thus the equation which model the relationship between the weeks and the viewers is

f(x)=5120(5)^{x}

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20 is what % greater than 5
drek231 [11]
Find how much greater 20 is than 5
20-5=15
the % is of 5, so the percent is percent out of 5

20 is x% of 5 greater than 5
20=(x%)5+5
minus 5 both sides
15=(x%)5
divide both sides by 5
3=x%
percent means parts out of 100
x%=x/100
3=x/100
times 100 both sides
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answer is 300%
7 0
2 years ago
Express x2+ 4x - 7 in the form (x + a) - b where a and b are integers.<br> please help 100 points
Darya [45]

Answer:

(x + 2)^2 - 11.

Step-by-step explanation:

f(x) = x^2 + 4x - 7

Now x^2 + 4x = (x + 2)^2 - 4 so we have:

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4 0
2 years ago
The expression 3/8d + 3/4 factored is
sergiy2304 [10]

Answer: For this case we have the following expression:

We must factor the term that accompanies the variable.

We have then:

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We're going to check the result. To do this, we multiply the term 3/8 for each term within the parenthesis:

Rewriting:

The factorization is correct.

Answer:

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Hope this helps... Stay safe and have a great rest of the day... :D

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2 years ago
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lakkis [162]

Answer:

295.2 cmm

Step-by-step explanation:

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8 0
3 years ago
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Can you please help me
sasho [114]

Answer:

3x4

Step-by-step explanation:

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This is because A=lw. If the area is 12, the length and width must multiply to get 12. 3x4=12.

6 0
3 years ago
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