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aleksandrvk [35]
3 years ago
7

What is a true statement

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
8 0
A. -4.37 is less than -1.63
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The Jones family plans to borrow $22,000 for 15 years. If the interest rate is 4.25%, how much will the family pay in interest ?
Umnica [9.8K]

Answer:

344025

Step-by-step explanation:

20,000 x decimal multiplier

decimal multiplier = 1.0425

20,000 x 1.0425 = 20850

20850 x 15 = 344025

4 0
4 years ago
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What is y*18 +48 please help me
Savatey [412]
893 hope that helps tank u

5 0
3 years ago
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Please help.....,Which table shows a proportional relationship between x and y?
Kitty [74]
Time 2 22 34 and 9 even tho its highly corrected
5 0
4 years ago
1000 divided by1000 is just 1
ladessa [460]

Answer:

Yes.

Step-by-step explanation:

5 0
3 years ago
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Solve the given initial-value problem. (x + y)2 dx + (2xy + x2 − 2) dy = 0, y(1) = 1
Yuri [45]
Let's check if the ODE is exact. To do that, we want to show that if

\underbrace{(x+y)^2}_M\,\mathrm dx+\underbrace{(2xy+x^2-2)}_N\,\mathrm dy=0

then M_y=N_x. We have

M_y=2(x+y)
N_x=2y+2x=2(x+y)

so the equation is indeed exact. We're looking for a solution of the form \Psi(x,y)=C. Computing the total differential yields the original ODE,

\mathrm d\Psi=\Psi_x\,\mathrm dx+\Psi_y\,\mathrm dy=0
\implies\begin{cases}\Psi_x=(x+y)^2\\\Psi_y=2xy+x^2-2\end{cases}

Integrate both sides of the first PDE with respect to x; then

\displaystyle\int\Psi_x\,\mathrm dx=\int(x+y)^2\,\mathrm dx\implies\Psi(x,y)=\dfrac{(x+y)^3}3+f(y)

where f(y) is a function of y alone. Differentiate this with respect to y so that

\Psi_y=2xy+x^2-2=(x+y)^2+f'(y)
\implies2xy+x^2-2=x^2+2xy+y^2+f'(y)
f'(y)=-2-y^2\implies f(y)=-2y-\dfrac{y^3}3+C

So the solution to this ODE is

\Psi(x,y)=\dfrac{(x+y)^3}3-2y-\dfrac{y^3}3+C=C

i.e.


\dfrac{(x+y)^3}3-2y-\dfrac{y^3}3=C
6 0
3 years ago
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