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KatRina [158]
3 years ago
12

Please help! Question is attached to the image :)

Mathematics
1 answer:
Greeley [361]3 years ago
4 0

The volume of the smaller room is B. 768 cubic feet.

Step-by-step explanation:

Step 1:

The entire length for both rooms is 20 feet. As the large room has a length of 12 feet, the length of the smaller room is 20-12= 18 feet long.

The width of the prism is 12 feet and a height of 8 feet.

The volume of a rectangular prism is determined by multiplying its length, its width, and its height.

The small room's length = 8 feet,

The small room's width = 12 feet, and

The small room's height = 8 feet.

Step 2:

The volume of a rectangular prism = (l)(w)(h).

The volume of the smaller room = (8)(12)(8)= 768.

So the volume of the smaller room is 768 cubic feet which is option B.

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Will someone explain what i did wrong here?
tensa zangetsu [6.8K]

The actual inverse function is:

f^{-1}(x) = x^2 + 3

And the domain is [0, ∞).

<h3>Where is the mistake?</h3>

Remember that for a given function f(x) with a domain D and a range R.

For the inverse function, f⁻¹(x) the domain is R and the range is D.

Here, for the given function the domain is x ≥ 3 and the range is [0, ∞).

Then for the inverse function, which is:

f^{-1}(x) = x^2 + 3

(to check this, you must have that):

f^{-1}(f(x)) = x\\\\f(f^{-1}(x)) = x

The domain will be [0, ∞) and the range x ≥ 3

If you want to learn more about inverse functions:

brainly.com/question/14391067

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7 0
1 year ago
#1 #2 #3 &amp; #4 thank you
lubasha [3.4K]
I only (sort of) know 3 and 4

3. Andle 1 is an example of an angle bigger than
{90}^{o} c
I don't know what you call it.

4. If you have a straight line, both angles (or more) added up need to be
{180}^{o} c
so if angle 1 is 129, 180-129=51
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If 1 is what is the relationship between the two angles, then maybe the answer is that they both added up need to be 180 degress (?)

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6 0
3 years ago
Read 2 more answers
A car traveled 120 miles driving 60 miles per hour. The trip took 2 hours.
Ugo [173]
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8 0
2 years ago
What is the scale factor of triangle ABC to triangle XYZ?
Alex

9514 1404 393

Answer:

  C.  6

Step-by-step explanation:

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5 0
3 years ago
Help please with this math ;-; I beg of you
RSB [31]

Answer:

49 - 9π

Step-by-step explanation:

Area of white portion = area of triangle - area of circle

To find the area of the triangle:

The area of a triangle can be calculated using this formula

A=\frac{bh}{2} where b = base length and h = height

The height given is 7m and the base length given is 14m

That being said we plug in the given values into the formula

\frac{14*7}{2} \\14*7=98\\\frac{98}{2} =49

Hence, the area of the triangle is 49 sq meters.

To find the area of circle

( note that the area is in terms of pi; shown by the answer choices. )

Formula for area of a circle = A=\pi r^2

We are given the diameter  ( 6m )

However, we need the radius

To convert diameter to radius we divide by 2

6/2 = 3 so the radius = 3m

Now we plug in 3 into the formula

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Remember we do not apply pi because the answer should be in terms of pi.

Now we subtract the two

Area of white portion = 49 - 9π

Hence, the answer is A

7 0
3 years ago
Read 2 more answers
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