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3 years ago

Find all the factors of 49

Mathematics

2 answers:

faltersainse [42]3 years ago

8 0

1,49 so 49 is a prime number

Alex73 [517]3 years ago

5 0

1, 7, and 49 are the factors of 49.

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What is the value of b for the following circle in general form?

AlekseyPX

The equation of a circle:

$(x-h)^2+(y-k)^2=r^2$

(h, k) - center

r - radius

Look at the picture. We have

center: (1, -2) → h = 1, k = -2

radius: r = 3

Substitute:

$(x-1)^2+(y-(-2))^2=3^2\\\\(x-1)^2+(y+2)^2=9\ \ \ |\text{use}\ (a\pm b)^2=a^2\pm2ab+b^2\\\\x^2-2(x)(1)+1^2+y^2+2(y)(2)+2^2=9\\\\x^2-2x+1+y^2+4y+4=9\ \ \ |\text{use commutative property}\\\\x^2+y^2-2x+4y+5=9\ \ \ \ |-9\\\\x^2+y^2-2x+4y-4=0\\\\Answer:\ a=-2,\ b=4,\ c=-4$

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3 years ago

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Please help on number 3

kobusy [5.1K]

Answer:

Its the first option.

Step-by-step explanation:

3x + y = 5

5x - 4y = -3

From equation 1:

y = - 3x + 5

Substituting for y:

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

5 0

2 years ago

Multiply.<br><br> 1/4 x 32 =

Solnce55 [7]

Simply change 1/4 to a decimal
1/4 = 0.25
now we can multiply 0.25 and 32
lets do the math:)
0.25 x 32 = 8
your answer = 8

When in doubt, eat a pineapple :)

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2 years ago

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3 years ago

I need to find the are

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3 years ago