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Pie
3 years ago
6

How do I find the area ASAP

Mathematics
1 answer:
Arlecino [84]3 years ago
7 0

Answer:


Step-by-step explanation:

a=\frac{h_{b}b }{2} \\

·\frac{13·17}{2}

a=110.5


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In 1980, the median age of the U.S. population was 30.0; in 2000, the median age was 35.3.
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Answer:

y = 0.265x - 494.7

Step-by-step explanation:

Let median age be represent by 'a' and time be represent by 't'

In 1980, median age is given 30

which means that

a₁ = 30

t₁ = 1980

In 2000, the median age is given 35.3

which means that.

a₂ = 35.3

t₂ = 2000

The slope 'm' of the linear equation can be found by:

m = (a₂ - a₁) /(t₂ - t₁)

m = (35.3 - 30)/(2000-1980)

m = 0.265

General form of linear equation is given by:

y = mx + c

y = 0.265x +c

Substitute point (1980,30) in the equation.

30 = 0.265(1980) + c

c = -494.7

Hence the the linear equation can be written as:

y = mx + c

y = 0.265x - 494.7

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