3 years ago

What interest rate would produce aninterest amount of $450 if you invest $4800 for 5.5 years?

Mathematics

1 answer:

V125BC [204]3 years ago

3 0

Answer:

Im in 7th grade and I need some help on a math problem. can I post it?

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Solve the system of equations.

Alenkasestr [34]

Step-by-step explanation:

Step 1: Substitute x from the second equation into the second one

$2x - 9y = 14$

$2(-6y + 7) - 9y = 14$

$(2 * -6y) + (2 * 7) - 9y = 14$

$-12y + 14 - 9y = 14$

$-21y +14 - 14 = 14 - 14$

$-21y/-21 = 0 / -21$

$y = 0$

Step 2: Substitute y into the second equation

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$x = -6(0) + 7$

$x = 0 + 7$

$x = 7$

Answer: $x = 7, y = 0$

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What interest rate would produce aninterest amount of $450 if you invest $4800 for 5.5 years?​

What interest rate would produce aninterest amount of $450 if you invest $4800 for 5.5 years?