how do you use equations to solve problems about area of rectangles parallelograms trapezoids and triangles

Mathematics

1 answer:

Bogdan [553]3 years ago

8 0

Area of parellelogram and rectangle=bh

trapezoid A=(b1+b2)h÷2

triangle A=bh÷2

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Suppose the market demand for a good is described by the equation P = 80 - 2Q. If a change in market supply results in price dec

liraira [26]

Calculate Q (consumer surplus) when P = 60

$60=80-2Q$ ⇒ Subtract 60 from both sides
$60-60=80-2Q-60$
$0=20-2Q$ ⇒ Add 2Q to both sides
$0+2Q = 20-2Q+2Q$
$2Q=20$ ⇒ Divide both sides by 2
$\frac{2Q}{2} = \frac{20}{2}$
$Q=10$

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Calculate Q when P = 50

$50=80-2Q$
$50-50=80-2Q-50$
$0=30-2Q{/tex] [tex]0+2Q=30-2Q+2Q$
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As the value of P decreasing, the value of Q increases from 10 to 15

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4 years ago

!!!!!!Please help !!!!!!

Mars2501 [29]

Answer:

Step-by-step explanation:

Scatter plots show a negative trend if one value increases as the other decreases.

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3 years ago

Read 2 more answers

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Free_Kalibri [48]