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vichka [17]
3 years ago
13

Determine the center and radius of the following circle equation: x ^2 +y ^2 −18x+4y+60=0

Mathematics
1 answer:
sleet_krkn [62]3 years ago
8 0

Answer:

Step-by-step explanation:

you can answer this on photo math

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In detail: what are functions?
vovikov84 [41]
Functions: relationship(s) between inputs and outputs with the property that the input is related to exactly one output.
Example: relates each real number X to it square x^2

I hope this helps! :)
3 0
3 years ago
-1/4+3/4 please help I feel dumb for not knowing but I’m trying
butalik [34]

Answer:

the answer is \frac{1}{2} or 0.5

Step-by-step explanation:

Try using Symbolab, I use it all the time it gives the correct answer and it gives good explanations.

5 0
2 years ago
Factorise 4b^2 + 16b
lubasha [3.4K]
Factorise 4b² + 16b  ⇒ 4b(b+4)

expand (a-1)(a-2) ⇒ a(a-2) - 1(a-2) ⇒ a² - 2a - 1a + 2 ⇒a² - 3a + 2

factorise x² + 8x + 7 ⇒(x + 1) (x + 7)

evaluate y⁶ / y² ⇒ y * y * y * y * y * y / y * y = y⁴

if x = -1 and y = 5, find z when z = x² + 2y² ;
z = -1² + 2(5²) ⇒ 1 + 2(25) ⇒1 + 50 = 51

Make x the subject: y = 4x - 3
     y = 4x - 3
<u>+3            +3</u>
3 + y = 4x
<u>÷4        ÷4    </u>
(3+y)/4 = x

5 0
2 years ago
How can I solve this<br>1/2 of 20​
asambeis [7]

Answer:

Just multiply over here

1/2 *20

1/2 * 20/1

20/2

10

answer is 10

7 0
2 years ago
Read 2 more answers
#16 is really really hard thanks
Leokris [45]

7 million acres of Nevadas land is unfedarally owned!

Hope This Helps

7 0
3 years ago
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