3 years ago

4.

Mathematics

1 answer:

creativ13 [48]3 years ago

6 0

Answer:

D. millimeter

Step-by-step explanation:

millimeters [mm]

You can use millimeters.

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At the beginning of an environmental study, a forest covered an area of 1500km^2. Since then, the area has decreased by 6.3% eac

geniusboy [140]

The correct answer is:

$y=1500(0.937)^t$

Explanation:

An exponential function is of the form

$y=a\times b^x$ , where a is the initial population, b is 1 plus the amount of yearly change, and x is the number of years.

For our problem, a, the initial population, is 1500.

The yearly change is 6.3%; 6.3% = 6.3/100 = 0.063. Since it is decreasing, this is negative; 1+(-0.063) = 0.937.

We use t as the number of years.

This gives us

$y=1500(0.937)^t$

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IceJOKER [234]

$2,819.70 is the answer

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3 years ago

Write an equation of a line that is parallel to the line whose equation is 3y=x+6 and that passes through the point (-3,4).

Monica [59]

The standard form of this equation is

$y=\frac{1}{3}x+2$

The slope of two parallel lines i the same, so the slope of the line we're looking for is also $\frac{1}{3}$

Since the line passes through $(-3,4)$ , the equation is:

$(y-4)=\frac{1}{3}(x+3)$

$\boxed{y=\frac{1}{3}x+5}$

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Lisa has 100 dollars in A savings account. The interest rate is 5% per year and is not compounded. How much interest will she ea

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31 7/8 - 2/7 = what please i really need the answers for my school

Fittoniya [83]

Answer:

9/2