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2 years ago

6

Please I need help fast!!!!!???

1 answer:

Temka [501]2 years ago

7 0

Answer:

BRO IT B

Step-by-step explanation:

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Solve for x,y and z in the following diagrams

chubhunter [2.5K]

Can I get a new photo, I would gladly answer all of them for you

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2 years ago

A coin bank has 250 coins, dimes and quarters, worth $39.25. How many of each type of coin are there?

Brilliant_brown [7]

$x-\ number\ of\ dimes\\y-\ number\ of\ quarters\\\\ \left \{ {{x+y=250\ \ \ | x=250-y} \atop {0.1x+0.25y=39.25\ \ \ \ \ \ \ \ \ \ \ \ \ }} \right. \\\\ substitution\ method\\\\
0.1(250-y)+0.25y=39.25\\\\
25-0.1y+0.25y=39.25\\\\
25+0.15y=39.25\ \ \ \ | subtract\ 25\\\\0.15y=14.25\ \ \ \ | divide\ by\ 0.15\\\\y=95\\\\x=250-95=
155\\\\
There\ are\ 155\ dimes\ and\ 95\ quarters.$

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3 years ago

How do you do this question

ella [17]

Answer:

Step-by-step explanation:

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3 years ago

Solve the system of linear equations. Check your solution. y=2x-2 <br> y=2x+9

natulia [17]

2X-2=2X+9
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This has no solution to this problem

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3 years ago

Whats 9+10 ?<br>A)12<br>B)21<br>C)19<br>D)9

Ostrovityanka [42]

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Step-by-step explanation: (If you're serious it's 19)

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3 years ago

Read 2 more answers