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maxonik [38]
3 years ago
8

Use a factor and zero product property to solve the following equation 6x(x+4)=0

Mathematics
1 answer:
Rina8888 [55]3 years ago
4 0
6x(x+4)=0 \\
6x=0 \ \lor \ x+4=0 \\
x=0 \ \lor \ x=-4 \\
\boxed{x=0 \hbox{ or } x=-4}
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Every Saturday, Justin gets an allowance of $10 from his parents. During every week since Justin began getting an allowance, he
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Answer:

D. This sequence is a function because each output (even terms in sequence) maps to one input (odd terms in sequence).

Step-by-step explanation:

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3 years ago
A piggy bank contains a total of 84 coins in nickels and quarters worth $12.80.
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Let's make a system of equations to solve for this:

n + q = 84

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where n = nickels and q = quarters.

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Solve for n in the first equation by subtracting q from both sides.

n = 84 - q

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Plug n into the second equation.

0.05(84 - q) + 0.25q = 12.80

Distribute 0.05 inside the parentheses.

4.2 - 0.05q + 0.25q = 12.80

Combine like terms.

4.2 + 0.2q = 12.80

Subtract 4.2 from both sides.

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Divide both sides by 0.2.

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Plug 43 for q in the first equation.

n + (43) = 84

Subtract 43 from both sides.

n = 41

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There are 41 nickels and 43 quarters in the piggy bank. ✅

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Questions in picture
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Answer:

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Step-by-step explanation:

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