3 years ago

invests $8,000 in a savings plan that pays 5% per year. What will the account balance be at the end of the first year?

1 answer:

8 0

The equation is I = PRT where I is the interest to, P is the principal, or money deposited, R is the rate in decimal form, and T is time in years.

I = (8,000)(0.05)(1)
I = $400

Add that to the original deposit and you have $8,400 as the account balance at the end of the first year

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Solve system of equations y=3/4x+2 5x+4y=-24

satela [25.4K]

Answer:

$\left \{ {{y=-1} \atop {x=-4}} \right.$

Step-by-step explanation:

$\left \{ {{y=\frac{3}{4} x+2} \atop {5x+4y=-24}} \right. \left \{ {{y=\frac{3}{4}x+2 } \atop {5x+4*(\frac{3}{4}x+2)=-24 }} \right. \left \{ {{y=\frac{3}{4}x+2 } \atop {5x+3x+8=-24}} \right. \left \{ {{y=\frac{3}{4}x+2 } \atop {8x=-32}} \right. \\\left \{ {{y=\frac{3}{4}x+2 } \atop {x=-4}} \right. \left \{ {{y=\frac{3}{4}*(-4)+2 } \atop {x=-4}} \right. \left \{ {{y=-3+2} \atop {x=-4}} \right. =>\left \{ {{y=-1} \atop {x=-4}} \right.$