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3 years ago

Need help with 9-11 please

Mathematics

2 answers:

olga55 [171]3 years ago

7 0

For 9) Joy is correct because a square has four sides so it is always a quadrilateral. Quadrilaterals do not always have equal sides so they are not always squares.
For 10) The answer is C. To be a parallelogram, a shape must have two sets of parallel sides, which all 3 shapes have.
For 11) The answer is A. A square has four sides and four right angles, so it is always a rectangle.
Hope this helped :)

Gemiola [76]3 years ago

5 0

Step-by-step explanation:

<h2>-2 IS THE ANSWER BRO VERY SIMPLE YOU DONT KNOW</h2>

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a local community theather 240 tickets for Saturday nights performance they sold 180 more st full price then the discount ticket

gizmo_the_mogwai [7]

Question:

The local community theater sold a total of 240 tickets for Saturday night’s performance. They sold 180 more full-price tickets than discount tickets. Which system of equations can be used to model this situation?

Answer:

$x = 180 + y$

$x + y = 240$

Step-by-step explanation:

Given

$Tickets = 240$

Represent the number of full price with x and discounted price with y.

From the question:

x = 180 more than y

So:

$x = 180 + y$

Also, a total of 240 were sold.

So:

$x + y = 240$

Hence, the equations are:

$x = 180 + y$

$x + y = 240$

Solving further;

Substitute 180 + y for x in $x + y = 240$

$180 + y + y = 240$

$180 + 2y = 240$

Solve for 2y

$2y = 240 - 180$

$2y = 60$

Divide through by 2

$y = 30$

Recall that: $x = 180 + y$

$x = 180 + 30$

$x = 210$

Hence:

Full Price = 210

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Step-by-step explanation:

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