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Virty [35]
3 years ago
12

Quadrilateral ABCD is similar to Quadrilateral EFGH. The scale factor is 3:2. If AB = 18, find EF.

Mathematics
2 answers:
nasty-shy [4]3 years ago
6 0
The answer is A. 12

do you want to know how I got my answer...
meriva3 years ago
5 0

Answer: 12

Step-by-step explanation: The correct answer is 12. This problem can be solved by setting up a proportion and cross multiplying.

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Sin law or cos law?!!!!!!!!!!!!! ​
MA_775_DIABLO [31]

Answer:

Law of Sines

Step-by-step explanation:

Law of Sines: \frac{A}{sina} =\frac{B}{sinb} =\frac{C}{sinc}

Step 1: Solve for m∠B

\frac{25}{sin36} =\frac{27}{sinx}

25sinx = 27sin36°

sinx = 27sin36°/25

x = sin^{-1}(\frac{27sin36}{25} )

m∠B ≈ 39.4°

Step 3: Find m∠C

180 - (36 + 39.4)

180 - 75.4

m∠C = 104.6°

5 0
3 years ago
Lin is shopping for a couch with her dad and hears him ask the salesperson, "How much is your commission?" The salesperson says
Volgvan

Answer:

$467.77

Step-by-step explanation:

CHECK THE COMPLETE QUESTION

Lin is shopping for a couch with her dad and heard him ask the salesperson “how much is your commission?” The salesperson says that her commission is 5 1/2% of the selling price. A.How much commission will the salesperson earn by selling a couch for $495?

B.How much money will the store get from the sale of the couch?

From the question, the commission of the salesperson is 5 1/2 % , we can convert to improper fraction as 11/5%, then we can convert to decimal by dividing the numerator by denominator which is 5.5% , we can convert from percentage by saying(5.5%/100)

= 0.055

A)How much commission will the salesperson earn by selling a couch for $495?

His Commission will be

(0.055 x $495 )

= $27.23

B.How much money will the store get from the sale of the couch?

Since we know this Commission as $27.23, then the amount the store get from sale will be

(difference between the commission and the selling price)

($495.00- $27.23)

= $467.77

5 0
2 years ago
Which relation is a function
Alla [95]
Every x value should have only one value of y.
So the answer is the last choice.
8 0
3 years ago
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What is the force of a 12 kg object that is accelerating at a rate of 6 m/s2?
Leviafan [203]

Answer:

force= mass × acceleration

12×6

72 N

7 0
3 years ago
What’s A third of a number 9
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Threeeeeeeeeeeeeeeeeeeeeeeeee
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3 years ago
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