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Nataliya [291]
3 years ago
10

Which do you think is the best description of the area of the room? (circle your choice.)

Mathematics
1 answer:
nevsk [136]3 years ago
3 0

My vote would be b. because generally when we are figuring area of a room, we are working with materials that are not exact and we usually round off .75 to the next foot. (I have experience in flooring!)

I am sure there are situations where you would want it to be exact however, such as using VERY expensive materials to cover.

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The graph of f(x) = xx is reflected across the x-axis and then across the y-axis to create the graph of function g(x).
V125BC [204]

Now let's examine the statements:

A)The functions have the same range:FALSE the range changed from y ≥ 0 to y ≤ 0

B)The functions have the same domains. FALSE the doman changed from x ≥ 0 to x ≤ 0

C)The only value that is in the domains of both functions is 0. TRUE: the intersection of x ≥ 0 with x ≤ 0 is 0.

D)There are no values that are in the ranges of both functions. FALSE: 0 is in the ranges of both functions.

E)The domain of g(x) is all values greater than or equal to 0. FALSE: it was proved that the domain of g(x) is all values less than or equal to 0.

F)The range of g(x) is all values less than or equal to 0. TRUE: it was proved above.

3 0
3 years ago
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An 85-foot rope from the top of a tree house to the ground forms a 45 degree angle of elevation from the ground. How high is the
Feliz [49]

Answer:

\boxed{h=60.1\ ft }

Step-by-step explanation:

<u>Right Triangles </u>

They have a right angle (90°) and a longer side called the hypotenuse opposite to the right angle. The legs and the hyponetuse form two angles that must sum 90°, and they comply:

\displaystyle sin\ \alpha=\frac {opp-leg}{hypotenuse}

Where opp-leg is the opposite leg to \alpha.

The rope from the top of a tree house is 85-foot long. It's the hypotenuse (L) of the triangle it forms with the ground and the tree. The angle of 45° is opposite to the height of the tree (h).

\displaystyle sin\ \alpha=\frac {h}{L}

We can solve for h

h=L\ sin\alpha =85\ sin\ 45^o

\boxed{h=60.1\ ft }

6 0
3 years ago
What is the value of -32+(-4+7)(2)?
Vanyuwa [196]

Answer:

-32+(-4+7)*2= -32+(-8+14)= -32-8+14= -40+14= -26

Step-by-step explanation:

5 0
3 years ago
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Each of the 8 cats in a pet store was weighed. Here are their weights (in pounds):
Orlov [11]

Answer:

median: 14

mean: 10.656

7 0
3 years ago
Which represents a quadratic function?
Lisa [10]

Answer:

f(x)=start fraction 4 over x squared End fraction minus start fraction 2 over x end fraction +1

7 0
3 years ago
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