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Evgen [1.6K]
3 years ago
11

PLS HELP ASAP An artifact is 4 times older than an antique book. In 200 years the artifact will be 3 times older as the book. Ho

w old is the artifact now?
Mathematics
2 answers:
Tresset [83]3 years ago
3 0

Answer: 1,600

Step-by-step explanation:

kozerog [31]3 years ago
3 0

Answer:

The present age of the artifact is 1,600 years

Step-by-step explanation:

let the present age of the artifact = x

let the present age of the book, = y

x = 4y ---- equation (1)

x + 200 = 3(y + 200) ------equation (2)

x + 200 = 3y + 600

substitute in the value of x

4y + 200 = 3y + 600

4y - 3y = 600 - 200

y = 400

Then, x = 4 x 400

x = 1,600 years

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Minchanka [31]

Answer: 6132

Step-by-step explanation:

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Hope this helps!

3 0
3 years ago
Let f(x) = 4x – 5 and g(x) = 3x + 7. find f(x) + g(x) and state its domain.
Tema [17]

We are given the functions:

f(x) = 4 x – 5                       ---> 1

g(x) = 3 x + 7                       ---> 2

 

To find for the value of f(x) + g(x), all we have to do is to add equations 1 and 2:

f(x) + g(x) = 4 x – 5 + 3 x + 7

f(x) + g(x) = 7 x + 2 = y

 

In this case, for any real number value assign to x, we get a real number value of y. This is because the function is linear.

Therefore the domain of the function is all real numbers.

5 0
3 years ago
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Leno4ka [110]

Answer:

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Step-by-step explanation:

Add 28+20+12

A=60

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Step-by-step explanation:

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Dominik [7]

Answer:

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Step-by-step explanation:

4 0
3 years ago
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