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Monica [59]
3 years ago
15

Which equation has infinitely many solutions?

Mathematics
1 answer:
Snezhnost [94]3 years ago
4 0

Answer:

Bbbbbbbbbbbbbbbbbbbbbb

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A bag contains 10 blue counting chips and 10 red counting chips. What is the probability that, without looking, Miguel will pick
Aleksandr [31]

Answer: 5/19

Step-by-step explanation:

(probability of blue chip)/(total chips) x (probability of red chip)/(new total chips)

10/20 x 10/19 = 100/380

simplify: 5/19

5 0
2 years ago
What is the general form of the equation of a circle with its center at (-2, 1) and passing through (-4, 1)?
AnnZ [28]

Answer:

x^{2}+y^{2} +4x-2y+1=0

Step-by-step explanation:

we know that

The general form of the equation of a circle is

x^{2} +y^{2}+ Dx + Ey + F=0

where D, E, F are constants

step 1

Find the radius of the circle

Remember that the distance from the center to any point on the circle is equal to the radius

so

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

(-2,1)\\(-4,1)  

substitute the values

r=\sqrt{(1-1)^{2}+(-4+2)^{2}}

r=\sqrt{(0)^{2}+(-2)^{2}}

r=2\ units

step 2

Find the equation of the circle in standard form

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

In this problem we have

center ( -2,1)

radius r=2 units

substitute

(x+2)^{2} +(y-1)^{2}=2^{2}

(x+2)^{2} +(y-1)^{2}=4

Step 3

Convert to general form

(x+2)^{2} +(y-1)^{2}=4\\ \\x^{2}+4x+4+y^{2}-2y+1=4\\ \\x^{2}+y^{2} +4x-2y+1=0

7 0
3 years ago
How to solve<br>3|8x|+8=80
Hatshy [7]
I wanna say x=3 because 8 times 3 is 24 times 3 is 72 + 8 is 80
3 0
3 years ago
What is f in -5 = f( -8 )?
Dimas [21]

Answer:

F= -40

Step-by-step explanation:

-5 = f (-8)

F= +5 (-8)

F= -40

7 0
3 years ago
I need someone to help me with mý math homework please help!
Julli [10]
Which question do you need help with
7 0
3 years ago
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