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Zigmanuir [339]
2 years ago
15

Perimeter, Area And Volume

Mathematics
1 answer:
Maslowich2 years ago
6 0

\large\huge\green{\sf{Answer:-}}

<h3>area of shaded figure= </h3>

<h2>area of whole rectangle</h2>

= lengthx breadth=15x30= 450 cm²

<h3>area of unshaded region= lengthx breadth= (30-8)x 15cm²= 22x 15cm²= 330cm²</h3>

<h3>are of shaded region</h3>

= area of whole rectangle -area of unshaded region= 450cm²-330cm²= 120cm²

therefore 120 is correct answer

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viva [34]
The last one is correct answer
7 0
2 years ago
A waitress sold 15 ribeye steak dinners and 18 grilled salmon​ dinners, totaling ​$559.81 on a particular day. Another day she s
Orlov [11]

Let  the steaks = X and the salmon = y.

Set up two equations:

15x + 18y = 559.81

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Now using the elimination method:

Multiply the second equation by -2, then add the equations together.

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Becomes:

15x+18y=559.81

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Divide both sides by -23 to solve for x:

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Now you have the cost for a steak.

To solve for the cost of the salmon, replace x with the value in the first equation and solve for y.

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Divide both sides by 18:

y = 163.607826 / 18

y = 9.089324

Round both x and Y to the nearest cent:

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Y (Salmon) = $9.09

7 0
3 years ago
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Apply the negative exponent rule, so move the expression to the denominator to make the exponents positive.

Your answer is:

1
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r^7 + s^12
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Answer:

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3 years ago
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