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sdas [7]
3 years ago
7

Which statement proves that the two circles are similar?

Mathematics
1 answer:
pochemuha3 years ago
6 0

Answer: The circles B and D are similar because B can be mapped onto D by a translation of 8 units to the right and 1 unit down, followed by a dilation about its center by a scale factor of 0.5.

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The level of water in a dam was decreasing by 20% each day. If the level of water was 1500cm,what was the level after two days?
makkiz [27]

Answer:

L_o= 1500 cm

And we know that the level is decreasing 20% each day so then we can use the following model for the problem

L_f = L_o (1-0.2)^t

Where t represent the number of days and L the level for this case we want to fnd the level after two days so then t =2 and replacing we got:

L_f = 1500cm(0.8)^2 = 960cm

Step-by-step explanation:

For this case we know that the initial volume of water is:

L_o= 1500 cm

And we know that the level is decreasing 20% each day so then we can use the following model for the problem

L_f = L_o (1-0.2)^t

Where t represent the number of days and L the level for this case we want to fnd the level after two days so then t =2 and replacing we got:

L_f = 1500cm(0.8)^2 = 960cm

6 0
4 years ago
Factor the expression 48x+8 using the GCF
ololo11 [35]
<span> 48x+8 = 8(6x+1) </span>← Answer
3 0
3 years ago
A birthday cake in the shape of a circle needs to be decorated with icing. If the diameter of the cake is 5 inches, how much ici
Dmitry [639]
<h2>19.63495408 inches²</h2>

Area of a circle = πr²

Diameter = 5

The radius is half the diameter.

Radius = 2.5

π × 2.5² = 19.63495408

6 0
3 years ago
Fill in the blank. -6_-1*<br> &gt;<br> &lt;<br> =
V125BC [204]

Answer:

<

Step-by-step explanation:

-6 is lower than  -1. you can make a little line and count backwards from 0. -1 is closer to 0 than -6 is, therefore -1 being bigger and the sign being <

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3 years ago
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Each spinner shown is divided into equal
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Answer:

2/45

Step-by-step explanation:

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