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Dmitry [639]
3 years ago
6

Find the difference between and 4/9 and -5/9

Mathematics
2 answers:
astra-53 [7]3 years ago
6 0

Answer:

1

Step-by-step explanation:

4/9 and -5/9 are 1 apart. This is because one of the numbers is positive and the other is negative, you have to make the negative number positive and add the two positive numbers together. In this case, 4/9+5/9=9/9. 9/9 is equivalent to 1. So, 4/9 and -5/9 are 1 apart.

<em>Hope the explanation and answer helps! </em>

muminat3 years ago
6 0

Answer: -5/9 is negative, 4/9 is positive. The Difference when you subtract =1

Step-by-step explanation:

4/9 - -5/9 = 4/9 +5/9 = 1

(Subtracting negative = adding positive)

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2 years ago
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goblinko [34]
Rate of change is slope
So change in y/change in x
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3 0
3 years ago
Y''+Y'+Y=1<br> solve ordinary differential equation
taurus [48]

Answer:

y(t) = c₁ e^(-1/2 t) cos(√3/2 t) + c₂ e^(-1/2 t) sin(√3/2 t) + 1

Step-by-step explanation:

y" + y' + y = 1

This is a second order nonhomogenous differential equation with constant coefficients.

First, find the roots of the complementary solution.

y" + y' + y = 0

r² + r + 1 = 0

r = [ -1 ± √(1² − 4(1)(1)) ] / 2(1)

r = [ -1 ± √(1 − 4) ] / 2

r = -1/2 ± i√3/2

These roots are complex, so the complementary solution is:

y = c₁ e^(-1/2 t) cos(√3/2 t) + c₂ e^(-1/2 t) sin(√3/2 t)

Next, assume the particular solution has the form of the right hand side of the differential equation.  In this case, a constant.

y = c

Plug this into the differential equation and use undetermined coefficients to solve:

y" + y' + y = 1

0 + 0 + c = 1

c = 1

So the total solution is:

y(t) = c₁ e^(-1/2 t) cos(√3/2 t) + c₂ e^(-1/2 t) sin(√3/2 t) + 1

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5 0
2 years ago
1) Nat's grocery bill was $150, which included a 5% club
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Answer:

$157.89

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3 0
2 years ago
Read 2 more answers
Factor each expression
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I got the numbers in 2, 3, and 4 with a guesstimating and checking approach
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