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ivolga24 [154]
2 years ago
7

I can’t figure out this answer, can you please explain? Thanks

Mathematics
2 answers:
Dimas [21]2 years ago
8 0
The answer is actually 7,200
julia-pushkina [17]2 years ago
6 0
The total is actually 1,800.

Use x for total.
360/x = 20%/100
Then you cross multiply, so do 360 times 100. After taking that value, you divide it by 20 and that is your answer.
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Answer:

y=3e^{-4t}

Step-by-step explanation:

y''+5y'+4y=0

Applying the Laplace transform:

\mathcal{L}[y'']+5\mathcal{L}[y']+4\mathcal{L}[y']=0

With the formulas:

\mathcal{L}[y'']=s^2\mathcal{L}[y]-y(0)s-y'(0)

\mathcal{L}[y']=s\mathcal{L}[y]-y(0)

\mathcal{L}[x]=L

s^2L-3s+5sL-3+4L=0

Solving for L

L(s^2+5s+4)=3s+3

L=\frac{3s+3}{s^2+5s+4}

L=\frac{3(s+1)}{(s+1)(s+4)}

L=\frac3{s+4}

Apply the inverse Laplace transform with this formula:

\mathcal{L}^{-1}[\frac1{s-a}]=e^{at}

y=3\mathcal{L}^{-1}[\frac1{s+4}]=3e^{-4t}

7 0
2 years ago
Find the rate of change:<br> Time: 9:00. 10:00. 11:00. 12:00<br> Temperature: 60. 62. 64. 66
tia_tia [17]
The rate of change is +2 degrees per hour (an increase of 2 degrees per hour)
3 0
3 years ago
A regular square pyramid just fits inside a cube (the base of the pyramid is congruent to a face of the cube and
zlopas [31]
Volume of reg sq. pyramid = vp
vp = 1/3×s^2×h, where s = side and h = height
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so now vc = 1/3×h×pi×(1/2s)^2
let's remove the same items for both vc and vp
so 1/3 and h
now let's plug an arbitrary number into each:
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vp = s^2 = 10^2 = 100
So any square pyramid has slightly more volume than the cone
4 0
2 years ago
Example 4: Converting Rational Numbers to Decin
IceJOKER [234]

Answer: its 4

Step-by-step explanation:

gg

8 0
2 years ago
0.4x+18=-13 what is x?
Rasek [7]

Answer:

-52.5 or -53

Step-by-step explanation:

Start by subtracting 18 from both sides. With you get 0.4=-21. Now divide 0.4 into both sides.

3 0
3 years ago
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