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3 years ago

5) A theater earns $3640 from a concert. An orchestra ticker costs three times as

Mathematics

1 answer:

Inga [223]3 years ago

8 0

Answer:

148x+76y=3640

The orchestra tickets costed $21, the balcony tickets costed $7

Step-by-step explanation:

You do 148x because we know that they sold 148 tickets we just need to know the cost and 76 because we know that have sold 76 balcony tickets.

I’m don’t really know how to say the rest

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ArbitrLikvidat [17]

Answer:

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Step-by-step explanation:

well sin30:1/2

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2 years ago

Can someone help me out I need help!

sleet_krkn [62]

Answer:

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Step-by-step explanation:

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3 years ago

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Mrac [35]

For
|a|x>-8.5
-8.5<x<8

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in interval notation: (-8.5,8)
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3 years ago

Prove that a rectangle has congruent diagonals. Be sure to create and name the appropriate geometric figures

pychu [463]

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3 years ago

The area of a rectangle is represented by the polynomial x^2+3x-6x-18. What are the length, width, and area of the rectangle if

Nitella [24]

Answer:

Length = 15

Width = 6

Area = 90

Step-by-step explanation:

Area of the rectangle = ${x}^{2} + 3x - 6x - 18$

Lets factorise the polynomial

$= > x(x + 3) - 6(x + 3)$

$= > (x + 3)(x - 6)$

We know that Area = Length × Width

Let the length be (x + 3) & width be (x - 6)

Its given in the question that x = 12. So putting the value of x gives ,

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Width = $x - 6 = 12 - 6 = 6$

Area = Length × Width = 15 × 6 = 90

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3 years ago