3 years ago

Round 3.047 to the nearest hundredth

Mathematics

1 answer:

navik [9.2K]3 years ago

6 0

3.05, but if you need sig figs, you should check that

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What is the solution to the system of equations? x = -4y 3x + 2y = 20

sergeinik [125]

Answer:

(x, y) = (8, -2)

Step-by-step explanation:

Substitute:

3(-4y) + 2y = 20

-12y + 2y = 20

-10y = 20

y = -2

x = -4(-2) = 8

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3 years ago

What is the answer to 41x 59 plus 8 divided by 6

Advocard [28]

41×51= 2419

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3 years ago

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Answer:

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3 years ago

F(x) = | 5x + 1 | - 3 g(x) = 4 Find (f - g) (x)

Slav-nsk [51]

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Step-by-step explanation:

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2 years ago

The function f(x) = 200(0.5)x/50 models the amount in pounds of a particular

victus00 [196]

Answer:

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Step-by-step explanation:

Given the function $f(x)= 200(0.5)^{\frac{x}{50} }$ , where x stands for the number of years since the material was put into the vault, we can plug 140 into x to find the amount leftover.
Another way of doing this is to change the function to $f(x)=200(0.5^{\frac{1}{50} })^{x}$ which are equivalent functions, and then plug 140 into x. This function is helpful if you also needed to find the rate.
I'll use the 1st function because the question doesn't ask for the rate

$f(x)= 200(0.5)^\frac{140}{50}}$

From here I'll just use a calculator & get 28.7, or 29 years.

4 0

2 years ago