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Lana71 [14]
3 years ago
7

Identify the center and radius of a circle with equation (x-5)^2+(x+3)^2=25

Mathematics
1 answer:
SashulF [63]3 years ago
4 0
\bf (x-5)^2+(x+3)^2=25\implies (x-5)^2+[x-(-3)]^2=5^2\\\\
-----------------------------\\\\
\textit{equation of a circle}\\\\
(x-{{ h}})^2+(y-{{ k}})^2={{ r}}^2
\qquad center\ ({{ h}},{{ k}})\qquad
radius={{ r}}
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If I'm 16 years old, how many months, days, hours, minutes, and seconds old am I?
irakobra [83]
16*12=months
16*365=days
Then take that answer and multiply it by 24 for hours then take that number and multiply it by 60 for minutes and then take that number and multiply it by 60 for seconds.
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3 years ago
What is 88 divided by 4,048
grandymaker [24]

Answer:

46

It's supposed to me 4,048 divided by 88. That would have made it a lot easier for you :)

I'm happy to help you :)

4 0
3 years ago
56k ÷ 2k; k=3 can someone help me out
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3 years ago
This is embarrassing...help❤️❤️❤️❤️
BaLLatris [955]

Answer:

Step-by-step explanation:

P(green) is asking what are the chances that if your stuck your hand into the bag and grabbed a marble that it would be green. There are 3 green, 2 blue, 1 red, and 1 white marble for a total of 7 marbles. If you pull out a marble without looking you have 3 chances of 7 that it will be green. So

10. 3/7 or 3:7

Do we even have any yellow marbles? Not that I can see, so if there isn't a yellow to pull out, your chances of pulling one out is 0. So

11. 0/7 or 0

Since there are 3 green and 1 red, which is a total of 4 marbles, we have 4 out of 7 chances that the marble we pull is red or green. So

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7 0
3 years ago
Since BC is parallel to DE, triangles ABC and ADE are similar. What are the lengths of the unknown sides? It would be a great he
bija089 [108]

Answer: AC= 10 cm and CE= 5 cm


Step-by-step explanation:

In the given picture, Δ ADE is a right triangle

∴ By Pythagoras theorem,

AD^2+DE^2=AE^2\\\Rightarrow\ (8+4)^2+9^2=AE^2\\\Rightarrow\ AE^2=12^2+9^2\\\Rightarrow\ AE^2=144+81=225\\\Rightarrow\ AE=15\ cm

Since triangles ABC and ADE are similar and corresponding sides of similar triangles are proportional therefore,

\frac{AB}{AC}=\frac{AD}{AE}\\\Rightarrow\frac{8}{AC}=\frac{12}{15}\\\Rightarrow\ AC=\frac{8\times15}{12}\\\Rightarrow\ AC=10\ cm

Now, AE=AC+CE

⇒CE=AE-AC

⇒CE=15-10=5 cm


4 0
4 years ago
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