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Diano4ka-milaya [45]
3 years ago
10

Which pairs of rectangles are similar polygons? Select each correct answer.

Mathematics
2 answers:
oee [108]3 years ago
8 0
The corrects answers are B and D for this one. 

Since you divide the same side for both the the rectangles on both parts and if the division statements are equaled, then they are similar. 

For example; 

Answer B. 
50 / 10 = 5 
and 
30 / 6 = 5 

Answer D. 
7.5 / 2.5 = 3
and 
4.5 / 1.5 = 3 

Since they both equal the same for both of the rectangles for the answers individually, they are similar polygon rectangles. 

Hope this helps! 

<em>~ ShadowXReaper069</em><em />
Andrews [41]3 years ago
3 0

Answer: Second and fourth pairs of rectangle are similar.

Explanation: Since, If two Shapes are similar then the ratios of their corresponding sides are equal.

In First figure ratios of corresponding sides are not equal.

Because, \frac{100}{10}≠ \frac{10}{7}

Therefore, they are not similar.

In second figure ratios of corresponding sides are equal.

Because, \frac{50}{10}= \frac{30}{6}=5

Therefore, they are similar.

In third figure ratios of corresponding sides are not equal.

Because, \frac{5.2}{2.6}≠ \frac{3.8}{1.2}

Therefore, they are not similar.

In fourth figure ratios of corresponding sides are equal.

Because, \frac{7.5}{2.5}=\frac{4.5}{1.5}=3

Therefore, they are similar.

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Answer:

Option C .

Step-by-step explanation:

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Step 1 : <u>E</u><u>q</u><u>u</u><u>a</u><u>t</u><u>e</u><u> </u><u>f</u><u>(</u><u>x</u><u>)</u><u> </u><u>w</u><u>i</u><u>t</u><u>h</u><u> </u><u>0</u><u> </u><u>:</u><u>-</u>

\longrightarrow f(x) = 0\\

\longrightarrow x^2-12x + 32=0

Step 2 : <u>F</u><u>a</u><u>c</u><u>t</u><u>o</u><u>r</u><u>i</u><u>s</u><u>e</u><u> </u><u>t</u><u>h</u><u>e</u><u> </u><u>R</u><u>H</u><u>S</u><u> </u><u>:</u><u>-</u>

\longrightarrow x^2-8x - 4x +32=0\\

\longrightarrow x(x-8)-4(x-8)=0\\

\longrightarrow (x-8)(x-4)=0\\

Step 3 : <u>E</u><u>q</u><u>u</u><u>a</u><u>t</u><u>e</u><u> </u><u>e</u><u>a</u><u>c</u><u>h</u><u> </u><u>f</u><u>a</u><u>c</u><u>t</u><u>o</u><u>r</u><u> </u><u>w</u><u>i</u><u>t</u><u>h</u><u> </u><u>0</u><u> </u><u>:</u><u>-</u>

\longrightarrow x - 8 = 0\\ \qquad x -4=0

\longrightarrow x = 8 \qquad x = 4

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2 years ago
Whats 42/99 in simplest form.
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Answer:

14/33

Step-by-step explanation:

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3 years ago
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The diameter of a spherical balloon that is being filled with air is increasing at the rate of 3 inches more than the time, t. W
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Answer:

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Diameter is increasing at 3 inches more than time, When t = 3

Diameter (d) = 3+3 = 6

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r = 6/2 = 3

Now, the volume of a sphere is given by the formula:

V=\frac{4}{3}\pi r^3

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2 years ago
Principal = 5300=5300 rupees
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Answer:

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Total amount(A) = 6678 rupees.

Then using above formula we have;

6678 = 5300+I

Subtract 5300 both sides we get;

1378 = I

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We have to find the time period.

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I = Prt

where r is the rate of interest (in decimal)

here, r = 6.5% = 0.065

Substitute the given values top find t:

1378 = 5300 \cdot 0.065 \cdot t

⇒1378 = 344.5t

Divide both sides by 344.5 we have;

4  = t

Therefore, the time period t in years is 4 years

8 0
3 years ago
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