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Blababa [14]
4 years ago
8

Solve the system of equations using elimination. 8x + 7y = -16 10x + 7y = -6

Mathematics
1 answer:
Lapatulllka [165]4 years ago
3 0
The answer is (5, -8) Hope I helped :)
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What is the vertex of this equation Y-7=-1/16(x-10)^2
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The formula for a vertex form equation is
y = a(x - h) + k
in which (h,k) represents the vertex

Your equation is in vertex form, if you mpve the -7 to the other side you will get
y =  -  \frac{1}{16} (x - 10) ^{2}  + 7
because you have to add 7 to both sides

based on the equation,
h=10
k=7
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your vertex is (10,7)
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3 years ago
A red ribbon 11 meters long is 5 times as long as a blue ribbon. How long is the blue ribbon?​
aev [14]

Red ribbon

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<em>So</em><em>,</em><em> </em><em>changes</em><em> </em><em>the</em><em> </em><em><u>times</u></em><em><u> </u></em><em><u>symbol</u></em><em> </em><em>into</em><em> </em><em><u>divide</u></em>

11m ÷ 5

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Check!

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11m=Blue ribbon × 5

11m÷5=Blue ribbon

2.2m=Blue ribbon

Blue ribbon=2.2m

Answers

2.2m

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