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tamaranim1 [39]
3 years ago
13

Find the center and the radius of the circle with the equation x^2 -2x+y^2 +4y +1

Mathematics
1 answer:
steposvetlana [31]3 years ago
6 0

Answer:

Center = ( 1,-2)

radius = 2

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Letp,qandrbe the propositions such that,p:"You get an A on the final exam"q:"You do every exercise in this book"r:"You get an A
Zanzabum

Answer:

a) r→q

b) r→p

c) r→p

d) r→ p∧q

e) r→ p∨q

Step-by-step explanation:

Using logical connectives, as shown in the picture below, we can write all of the statements of the question.

p:"You get an A on the final exam"

q:"You do every exercise in this book"

r:"You get an A in this class"

a) r→q

b) r→p

c) r→p

d) r→ p∧q

e) r→ p∨q

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3 years ago
Consider the line y =
posledela

Answer:

y= what? Whats the first equation

Step-by-step explanation:

7 0
3 years ago
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What is the value of 3 + (-1/4)² ÷ 1/2?<br><br> A. 6 1/8<br> B. 21 1/8<br> C. 7<br> D. 3 1/8
Amiraneli [1.4K]
<span>3 + (-1/4)² ÷ 1/2
= </span><span>3 + 1/16 * 2
= 3 + 1/8
= 3 1/8

answer

</span><span>D. 3 1/8</span>
6 0
3 years ago
The sum o three - fourths of a number and eleven is fourteen.
pav-90 [236]

Answer:

3x+5 ????

Step-by-step explanation:

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3 years ago
HERE ARE TWO NUMBER MACHINES A AND B
nika2105 [10]

Answer:

x=-7

Step-by-step explanation:

We can write them both like functions like this

A=5x-4

B=3x+8

Where

x=input

A=Output A

B=Output B

We want the output of A 3 times the output of B this can be written like this:

A=3B

we replace with the functions

5x-4=3(3x+8)

we solve for x

5x-4=9x+24\\5x-9x=24+4\\-4x=28\\x=\frac{28}{-4}\\x=-7

The output that makes the out put of A 3 times teh output of B is -7

5 0
3 years ago
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