3 years ago

Please explain how to do it

Mathematics

1 answer:

nydimaria [60]3 years ago

7 0

Answer:

3/2:2=3/4 is the answer

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ryzh [129]

Answer:

506.25

Step-by-step explanation:

Month 1: $100

Month 2: 100 times 1.5 = 150

Month 3: 150 times 1.5 = 225

Month 4: 225 times 1.5 = 337.50

Month 5: 337.50 times 1.5 = 506.25

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4 years ago

△ABC△ABC has interior angles with measures 130°, x°, and 15°, and △DEF△DEF has interior angles with measures 35°, 15°, and y°. U

miss Akunina [59]

<span>The triangles are similar because y=130 and there are three pairs of congruent angles. </span>

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3 years ago

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katrin2010 [14]

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Step-by-step explanation:

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3 years ago

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Suppose you have line AB on a coordinate plane located at A(-3,-4) and B(5,-4). Under a dilation centered at (9,0), line AB

masya89 [10]

Answer:

$\dfrac{1}{4}$

Step-by-step explanation:

Center of dilation: O(9,0).

Line AB with A(-3,-4) and B(5,-4) is dilated with the scale factor k and center of dilation at O to form line A'B' with A'(6,-1) and B'(8,-1).

Then

$OB'=kOB\\ \\OA'=kOA$

Since

$OB'=\sqrt{(8-9)^2+(-1-0)^2}=\sqrt{1+1}=\sqrt{2}\\ \\OB=\sqrt{(5-9)^2+(-4-0)^2}=\sqrt{16+16}=4\sqrt{2},$

then

$\sqrt{2}=k\cdot 4\sqrt{2}\\ \\k=\dfrac{1}{4}$

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4 years ago

Find the length of the third side. If necessary, round to the nearest tenth.<br> 15<br> 12

torisob [31]

I think that it is 19.2

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3 years ago