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pishuonlain [190]
3 years ago
11

I need help it’s due in 10 mins ASAP I’ll mark you as a brainlist please help

Mathematics
1 answer:
Lady_Fox [76]3 years ago
3 0
Take DEBC a parralelogram
Parralel sides are DE and BC
THEREFORE,
1/2*(a+b)*h
1/2*(6+15)*h
1/2*(21)*h=0
10.5*h=0
h=-10.5
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For this problem you have yo set up two equations.

White shirts = w Yellow shirts = y

1st: w + y = 21
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Now we're going to do system of equations using substitution.

If w + y = 21, then y = 21 - w
If y = 21 - w, then you can substitute this in the second equation for y.

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So 17 yellow shirts were sold and 4 white shirts were sold.
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