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FrozenT [24]
3 years ago
11

Round 120 problems in 5 hours

Mathematics
1 answer:
yaroslaw [1]3 years ago
4 0
24 is the answer .:)
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Do you move the decimale to the left or to the right when multiplying
Vesnalui [34]
You move it to the right
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3 years ago
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3x = 1/9 what is x<br> Please respond quick
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Please help ....... ​
Leviafan [203]

Answer:

see explanation

Step-by-step explanation:

Given f(x) then f(x + a) is a horizontal translation of f(x)

• If a > 0 then shift left by a units

• If a < 0 then shift right by a units

Thus g(x) = (x + 3)² is a shift left of 3 units

Given f(x) then f(x) + c is a vertical translation of f(x)

• If c > 0 then shift up by c units

• If c < 0 then shift down by c units

Thus g(x) = (x + 3)² - 5

represents a 3 unit shift to the left and a shift down of 5 units

5 0
3 years ago
Mrs Watson runs a distance of 200 metres in 25 seconds work out the average speed of miss Watson in metres per second
natima [27]
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5 0
4 years ago
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Solve nonhomogenous equation: x"+4x=cost
motikmotik

Answer:

x(t) = Acos 2t + B sin 2t+\frac{cost}{3}

Step-by-step explanation:

Given is a non homogeneous second degree equation as

x"+4x=cost

Auxialary equation is

m^2+4 =0\\m = 2i, -2i

Hence general solution is

x = Acos 2t + B sin 2t

Particular integral is = \frac{cost}{D^2+4}

Since t has coefficient 1, we substitute

D^2 =-1\\PI = \frac{cost}{-1+4} =\frac{cost}{3}

Hence full solution is

x(t) = Acos 2t + B sin 2t+\frac{cost}{3}

6 0
3 years ago
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