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iris [78.8K]
3 years ago
9

Ms. Gaines is saving one-eighth of her income to purchase a new car. If her income for one week was $890.20, how much did she sa

ve for her car?
Mathematics
1 answer:
USPshnik [31]3 years ago
4 0

111.28    1/8=0.125  0.125*890.20=111.275  money can only have 2 decimals so round up and $111.28 is your answer.

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76 19 in ratio simplest form
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Answer:

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Step-by-step explanation:

Let

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y----> Joan's age

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substitute equation A in equation B

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8 0
3 years ago
Percy solved the equation x2 + 7x + 12 = 12. His work is shown below. Is Percy correct? Explain.
antoniya [11.8K]
= > x² + 7x + 12 = 12

= > x² + ( 4 + 3 )x + 12 = 12

= > x² + 4x + 3x + 12 = 12

= > x( x + 4 ) + 3( x + 4 ) = 12

= > ( x + 4 ) ( x + 3 ) = 12


Percy did correct till this step. But by doing like this, Percy can't get the values of the variable x.



Percy should follow the following steps :

= > x² + 7x + 12 = 12


Add -12 on both sides,


= > x² + 7x + 12 - 12 = 12 - 12

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= > x( x + 7 ) = 0

= > ( x = 0 ) or ( x + 7 = 0 )

= > ( x = 0 ) or ( x = - 7 )



Hence, required value(s) of x is 0 or -7
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