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lbvjy [14]
3 years ago
7

These triangles are scaled copies of each other. Four right triangles labeled F, B, G, and H. Triangle F has the vertical side l

abeled 8, the horizontal side labeled 6, and the longest side labeled 10. Triangle B has the vertical side labeled 2, the horizontal side labeled 3 halves, and the longest side labeled 5 halves. Triangle G has the vertical side labeled 4, the horizontal side labeled 3, and the longest side labeled 5. Triangle H has the vertical side labeled 8 thirds, the horizontal side labeled 2, and the longest side labeled 10 thirds. For each pair of triangles listed, the area of the second triangle is how many times larger than the area of the first? Triangle G and Triangle F
Mathematics
1 answer:
gulaghasi [49]3 years ago
7 0

Answer:

Mmmmmm... 480 - 60 = 420. 420 is the answer, I guess.

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Show that sin (30°) = 1/2
Natali [406]

Answer:

Geometric proof in explanation.

Step-by-step explanation:

Draw an equilateral triangle.

A equilateral triangle has it's sides all congruent and all it's angles measures 60 degrees.

We are going to draw a line segment to cut the equilateral triangles into two congruent right triangles. I will do this in the attachment with p being positive.

You can see we will get 30-60-90 triangles.

We don't need to find the adjacent measurement to the angle whose measurement is 30 degrees since sine is opposite over hypotenuse.

\sin(30^\circ)=\frac{\frac{p}{2}}{p}=\frac{p}{2} \cdot \frac{1}{p}=\frac{1}{2}

\sin(30^\circ)=\frac{1}{2}

7 0
3 years ago
Select the phrase from the drop-down menu to correctly complete to the sentence.
Allisa [31]

Answer: Yeah, C is correct.


Step-by-step explanation:


6 0
3 years ago
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Suppose that a recent poll of American households about pet ownership found that for households with pets, 45% owned a dog, 34%
11111nata11111 [884]

Answer: 0.091125

Step-by-step explanation:

Given : P(dog) = 0.45

If 3 households are selected randomly and with replacement and the ownership is mutually exclusive.

Then , probability that all three randomly selected households own a dog = (0.45)^3=0.091125

Hence, required probability = 0.091125

3 0
2 years ago
What is the decimal equivalent of 17/20<br> A. 0.085<br> B. 0.117<br> C. 0.85 <br> D. 8.5
shutvik [7]

Answer:

0.85.

Step-by-step explanation:

20)17.00 (0.85

-    160

       100

      -100

          ......

   

4 0
2 years ago
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One square megameter is equal to 1.0×106 square kilometers. How many square megameters are in 9,000,000 square kilometers?
miss Akunina [59]

Answer:

9,000,000 square kilometers is equal to 9 square mega-meters.

Step-by-step explanation:

Given:

One square mega-meter is equal to 1.0\times 10^{6} square kilometers.

So, 1.0\times 10^{6}\textrm{ }km^{2}=1\textrm{ Mm}

∴ 1.0\textrm{ }km^{2}=\frac{1}{1.0\times 10^{6}}\textrm{ Mm}

So, 9000000\textrm{ }km^{2}=\frac{1}{1.0\times 10^{6}}\times 9000000=\frac{9000000}{1000000}=9\textrm{ Mm}

Therefore, there are 9 square mega-meters in 9,000,000 square kilometers.

5 0
3 years ago
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