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amid [387]
3 years ago
12

4 ft. by 4ft by 8 ft what is the volume in cubic feet

Mathematics
1 answer:
Gala2k [10]3 years ago
7 0
Volume (V) = length (l) x width (w) x height (h)
V = 4 x 4 x 8
4x4 = 16, 16 x 8 = 144 
V = 144 ft (cubed)


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Question 1 (0.5 points)
Finger [1]

Answer:

39.91 degrees.

Step-by-step explanation:

Formula

Sin(A)/a = Sin(B) / b

Givens

  • A = 84
  • a = 31
  • B = ?
  • b = 20

Solution

Sin(84)/31 = Sin(B)/20

20*Sin(84) / 31 = Sin(B)

Sin(B) = 0.6416

B = 39.91 degrees.

====================

This looks like it is right, but you should check. Let h be the height opposite angle A.

h/20 = sin(39.91)

h = 20*sin(39.91)

h = 12.83

31 has to be longer than that amount (which it is.) So there is one solution.

8 0
3 years ago
Help please on this problem
iVinArrow [24]

Answer:

7.5 hours

Step-by-step explanation:

We can model an equation for this problem.

We can write:

F=mt

Where

F is the final temperature (15 degrees we need)

m is the rate of temperature change (2 degrees per hour)

and

t is the time, in hours, it will take (we need to find this)

It is given,

F = 15

m = 2

So, t would be:

F = mt

15 = 2t

t = 15/2 = 7.5

So it will take 7.5 hours

8 0
3 years ago
The startup division made 80% of 1/2 of the established division. The startup division’s growth was 1/3 greater than the establi
Gnesinka [82]

Answer:


Step-by-step explanation:

<u><em>First, let's create variables:</em></u>

<u><em>s = startup division</em></u>

<u><em>e = established divisioN</em></u>

<em>The startup division made 80% of 1/2 of the established division. </em>

<em>Let's take a look at what the above statement means: Making 80% of 1/2 means...</em>

<em>0.8 of 1/2 = 0.8*0.5 = 0.4 --> s = 0.4e.</em>

<em>Next: The startup division’s growth was 1/3 greater than the established division’s.</em>

<em>Seems like this is additional information is not needed.</em>

<em>If the divisions made 280,000 combined, how much did the startup division make?</em>

<em>s + e = 280,000 --> s = 280,000 - e, then we can substitude s = 0.4e for s --></em>

<em>280,000 - e = 0.4e --> 1.4e = 280,000 --> e = 200,000.</em>

<em>This means that s = </em><u><em>80,000.</em></u>

<u><em>MARK AS BRAINLEST PLZZZZZ</em></u>


5 0
3 years ago
Find the area of a circle whose radius is 12 in. Round to the nearest tenth
irina1246 [14]
Area of a circle = pi r^2  = pi  * 12^2 =  452.4 in^2 to nearest tenth.

6 0
3 years ago
Read 2 more answers
A prize was awarded to 56 women and 642 men.
julia-pushkina [17]
My work to your question

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3 years ago
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