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avanturin [10]
4 years ago
6

Polygon CCC has an area of 404040 square units. Kennan drew a scaled version of Polygon CCC using a scale factor of \dfrac12 2 1

​ start fraction, 1, divided by, 2, end fraction and labeled it Polygon DDD. What is the area of Polygon DDD?
Mathematics
2 answers:
dsp734 years ago
7 0
The area of polygon D is given by:
 Ad = k ^ 2 * Ac
 Where,
 k: scale factor
 Ac: area of polygon C
 Substituting the values we have:
 Ad = (1/2) ^ 2 * (40)
 Ad = (1/4) * (40)
 Ad = 10 square units
 Answer:
 
the area of Polygon D is:
 
Ad = 10 square units
aliina [53]4 years ago
6 0

Answer: Polygon D is 10 Square units

Step-by-step explanation:

Works in Khan Academy

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If 5 shirts and 5 sweaters cost $205, and 6 shirts and 9 sweaters cost $294, what is the cost of one shirt and what is the
Pani-rosa [81]

Answer:

shirt is 20.5 and sweater is 16.33

Step-by-step explanation:

3 0
3 years ago
Working alone it takes Ryan 13.4 weeks to build a home.Jack can build the same home in 13.1 weeks how long would it take them if
dexar [7]

Answer: 6.62 weeks


Step-by-step explanation:

Time taken by Ryan to build a home = 13.4 weeks

Time taken by Jack to build the same home = 13.1 weeks

Let t be the time to complete a house if they work together, then

\frac{1}{t}=\frac{1}{t}= \frac{1}{\text{time taken by Ryan alone}}+\frac{1}{\text{time taken by Jack alone}}

=\frac{1}{13.4}+\frac{1}{13.1}\\\\=\frac{13.1+13.4}{175.54}\\\\=\frac{26.5}{175.54}

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8 0
3 years ago
PLEASE HELP 25 POINTS!!!
miss Akunina [59]

Sequence: 2 + 1 + 1/2 + 1/4 + 1/8 + ...

Explanation:

Here Given Sum to Infinity

\sf S \infty  \ =a_1  \ x \ \dfrac{1}{1-r}

Identify following

  • a1 = 2
  • r = 1/2

Solve:

\rightarrow \sf S \infty  \ =2  \ x \ \dfrac{1}{1-\frac{1}{2} }

\rightarrow \sf S \infty  \ =4

The sum of this infinity series is 4

5 0
2 years ago
Using a commen denominator to order fractions, please help...
MrRa [10]
The LCM or least common denominator would be 63.
21 times 3 = 63
9 times 7 =63
8 0
4 years ago
Solve C = AB + D for B<br> A. C + D/A = B<br> B. AC - D =B<br> C. C/A - D = B<br> D.C-D/A = B
galina1969 [7]

Answer:

(C-D)/A = B

Step-by-step explanation:

C = AB + D

Subtract D from each side

C-D = AB

Divide each side by A

(C-D)/A = AB/A

(C-D)/A = B

8 0
3 years ago
Read 2 more answers
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