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777dan777 [17]
3 years ago
15

Quadrilaterals ABCD and PQRS shown below are two similar figures.Find the values of x and y.​

Mathematics
1 answer:
nadezda [96]3 years ago
3 0

Answer:

x = 12, y = 16

Step-by-step explanation:

Since the figures are similar then the ratios of corresponding sides are equal, that is

\frac{AD}{PS} = \frac{DC}{SR} , substitute values

\frac{20}{2x+6} = \frac{18}{27} ( cross- multiply )

18(2x + 6) = 540 ( divide both sides by 18 )

2x + 6 = 30 ( subtract 6 from both sides )

2x = 24 ( divide both sides by 2 )

x = 12

-------------------------------------------

and

\frac{AB}{PQ} = \frac{DC}{SR} , substitute values

\frac{y}{24} = \frac{18}{27} ( cross- multiply )

27y = 432 ( divide both sides by 27 )

y = 16

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kirza4 [7]
Part 1) <span>Each sandwich costs $.02 per cubic inch to make. What is the cost of each sandwich?

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volume for pyramid sandwich is 41.67 in³

cost of each cube sandwich=0.02*125-----> $2.5

cost of each  pyramid sandwich=0.02*41.67-----> $0.83

the answers Part 1) are
a) cost of each cube sandwich is $2.5
b) cost of each pyramid sandwich is $0.83

Part 2) <span>If each sandwich sells for $4.00 and Mr. Sammie sells 100 Cube sandwiches and 100 Pyramid Sandwiches, how much profit would Mr. Sammie make?
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we know that
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step 1
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step 2
find the costs
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step 3
find the profit
Profit=Sells-Costs
Profit=$800-$333-----> $467

the answer Part 2) is
the profit is $467
7 0
3 years ago
A salesman needed to sell a used car. He priced it at $4,500 the first day it was on the
Akimi4 [234]

Answer:

$3960

Step-by-step explanation:

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Subtracting the 12% means taking away $540 from $4,500, which gives you $3960

7 0
3 years ago
Which ratio is equivalent to 1:1
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Answer:

the answer is 1

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6 0
3 years ago
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LekaFEV [45]

Answer:

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Step-by-step explanation:

if you multiply 5 times 10, then you have to multiply the other side by 10 too. So 5 times 10 equals 50, and 4 times 10 equals 40.

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4 0
3 years ago
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iren2701 [21]

Answer:

4+w and w+4

Step-by-step explanation:

I used communative property where you simply flip flop the answers

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