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3 years ago

Find the perimeter of the figure

Mathematics

2 answers:

sergiy2304 [10]3 years ago

8 0

Answer:

142

Step-by-step explanation:

Ok explanation

we know the sides 9, 11, 38, and 13.

there are 2 missing sides we need to find

so the first one whic is the longer one is we know that the 38 is already 1 part of it but not the whole thing. We know the 9 is part of the 38 since it connects. So that gives us that side of 47.

Now for the shrter side, we know 1 part of it is 13 And the other part is 11. So we Add them up and get 24

Now the sides are 9, 11, 38, 13, 47, and 24

We add them up and get 142

tatiyna3 years ago

3 0

Answer:

142 mi

Step-by-step explanation:

Top = 9 +38 = 47

Right Side = 13

Bottom Right = 38

11 + 9 = 20

Left Side = 24

47 + 13 +38 + 20 + 24 = 142

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Answer:

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3 years ago

Find the area of the regular polygon 7 in

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3 years ago

A painter charges an initial fee of $50 and $30 for each hour of labor. Write a linear function to determine the total cost. How

il63 [147K]

The initial fee of $50 is essentially the y intercept because this is the value when x = 0 (x is the number of labor-hours). So b = 50.

The slope is m = 30 because each increase of 1 hour leads to the cost bumping up by 30 dollars. In other words, slope = rise/run = (change in cost)/(change in hours) = 30/1

So we plug m = 30 and b = 50 into the y = mx+b formula to get y = 30x+50

Replace y with f(x) to get f(x) = 30x+50

The linear function for the cost is f(x) = 30x+50

Note: Some books may use other letters (instead of x and f(x)), but the idea is still the same

Once you know the cost function, you replace x with 4.5 to find the amount it will cost to have a painter work for 4.5 hours.

f(x) = 30x+50
f(4.5) = 30*4.5+50
f(4.5) = 135+50
f(4.5) = 185

It will cost 185 dollars to have the painter work for 4.5 hours

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3 years ago