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Bingel [31]
3 years ago
8

You are building a rectangular garden against the back of your house, using 80 feet of fencing. The area of the garden needs to

be greater than 400 square feet but less than 600 square feet. Which interval(s) represent possible lengths, in feet, for the horizontal edges of the garden? (0, 10) Union (30, 40) (20 minus 10 StartRoot 2 EndRoot, 20 + 10 StartRoot 2 EndRoot) (0, 20 minus 10 StartRoot 2 EndRoot) union (20 + 10 StartRoot 2 EndRoot, 40) (20 minus 10 StartRoot 2 EndRoot, 10) Union (30, 20 + 10 StartRoot 2 EndRoot)

Mathematics
2 answers:
Svetlanka [38]3 years ago
5 0

Answer:

d

Step-by-step explanation:

pantera1 [17]3 years ago
3 0

Answer: D

Step-by-step explanation:

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Let's imagine that there are 100 kids in the teacher's class. We know that 40 of them passed BOTH tests, and 80 passed the second test.

Because if they weren't, they wouldn't have passed the first test and consequently wouldn't have passed both, we can be sure that the group of students who passed BOTH tests is only made up of the 80 who passed the second test.

Thus, both tests were passed by 40 of the 80 pupils who passed the second one:                                      

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1 year ago
A bad punter on a football team kicks a football approximately straight upward with an initial velocity of 89 ft/sec.
Andrej [43]

Answer:

See below

Step-by-step explanation:

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<u>df = 4 + 89 t  - 1/2 (32.2) t^2        df = height</u>

<u />

On the way up and the way down, the ball may reach height of 102.2125 ft :

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6 0
2 years ago
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Answer:
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Hope this helps :)
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So if you're asked to graph a function and its inverse, all you have to do is graph the function and then switch all x and y values in each point to graph the inverse. Just look at all those values switching places from the f(x) function to its inverse g(x) (and back again), reflected over the line y = x.

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