3 years ago

I need help ! show your work . 6th grade math surface area !

Mathematics

1 answer:

Romashka-Z-Leto [24]3 years ago

5 0

Give me like 2 minutes

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Step-by-step explanation:

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Tobeg says the equation 3x + 2y= 270 and y=4/5x + 20 intersect at the point (50,60) is this true how do you know

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Yes it is very true

<u>EXPLANATION</u>

If the two equations intersect at $(50,60)$ then this point must satisfy the two equations.

$3x+2y=270---(1)$

We substitute $(50,60)$ in to erquation (1)

$3(50)+2(60)=270$

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$270=270$

$y=\frac{4}{5}x+20 ---(2)$

We now substitute $(50,60)$ in to erquation (2) also

$60=\frac{4}{5}(50)+20$

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Since the point satisfy all the two equations, it is true that they intersect at $(60,50)$

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3 years ago

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Answer:

Step-by-step explanation:

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Step-by-step explanation:

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