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Bogdan [553]
4 years ago
7

Points A, B, C, and D form the rectangle ABCD. E, F, and H are three points of another rectangle EFGH. Where does the fourth poi

nt G
need to be plotted, so that rectangle EFGH is similar to rectangle ABCD? What is the scale factor of rectangle EFGH?
A)
(4.7); scale factor 3
B)
(7.4); scale factor 3
(4.7); scale factor 2
D)
(7.4); scale factor 2

Mathematics
1 answer:
ycow [4]4 years ago
5 0

Answer:

D. (7.4); scale factor 2.

I’m not sure how to explain this but I’ve done it last year.

Hope that helps.

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A flask contains 12% acid solution and the remaining volume is water. If the flask is 8.52 inches high and the diameter is 3.71
Tamiku [17]

Answer:

Percent of water in the mixture=88%

Which is 81.07 square inches of the total volume

Step-by-step explanation:

Volume of the flask=πr^2h

π=3.142

radius=diameter/2

=3.71/2

=1.855

height=8.52 inches

Volume of the flask=πr^2h

=3.142*(1.855)^2*8.52

=3.142*3.441025*8.52

=92.115688686

Approximately 92.12 square inches

Flask contains 12% acid solution and the remaining volume is water

Percentage of water =Total percentage - acid solution percentage

=100%-12%

=88%

Percentage of Water =88%

Percentage of the mixture by volume is water=88% of the total volume

=88/100*92.12

=81.0656 square inches

Approximately 81.07 square inches

6 0
3 years ago
In the 1990s, the number of target stores increased from 420 stores to 914 stores. What was the percent increased in the number
tino4ka555 [31]
Divide 914/420, move the decimal over to the right two places and you'll get approximately 217.5%

EDIT: My mistake, read question wrong.
914-420 = 494
494/420 = 1.17
<u></u>117.62% 
Subtract the difference and divide by original number (: Move decimal place over two places.
4 0
4 years ago
Evaluate 10x² y ² for x=-1 and y=-2
DerKrebs [107]

Answer:

40

Step-by-step explanation:

You would first want to plug in.

10 x (-1)² x (-2)²

Now apply the exponents.

10 x 1 x 4

Now combine.

40

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CAN SOMEONE PLEASE HELP ME WITH THIS QUESTION??
Hunter-Best [27]

Answer:

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Step-by-step explanation:

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Alenkinab [10]
I think the answer is B
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