Jack bought 5 pairs of socks for $12.50. At this rate, how much would 12 pairs of socks cost?

Answers

Answer 1

Answer: I got $30 for my answer I think it’s correct

Answer 2

Answer:

Answer: $30

Step-by-step explanation:

5 pairs of socks cost 12.50 you divide 12.50 by 5 and you how much each pair of socks cost which is 2.5 which is 2.50 each pair of socks is 2.50 so now you multiply 2.50 by 12 and you get $30

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Write the equation of a line that is parallel to the following:1. x = 5

2. y = -3

Answers

Answer:

1. x=6

2. y=2

Step-by-step explanation:

If x=5, the line is vertical, so we need a vertical line so that we are parallel. A vertical line is x= a constant

We can choose the value for x as long as it is not 5, that would make it the same line. I will choose x=6

If y=-3=5, the line is horizontal, so we need a horizontal line so that we are parallel. A horizontal line is y= constant

We can choose the value for y as long as it is not -3, that would make it the same line. I will choose y=2

What number must be added to both sides of the equation to complete the square ?X^2+12x=-6
a)-144
b)36
c)-36
d)144

Answers

first consider (x+c)^2 where c is just a random constant. if we expand this by foil (which is distributive property twice), we get x^2 + 2cx+ c^2. we want to find c^2 and to do that, we can first find c. we can find c by looking at the 2cx term. this term should match with 12x, so therefore 2c = 12 so c = 6. this also implies that c^2 = 36.
note that for this problem i was working backwards which is a very powerful problem solving tool: start with what you want to attain, and then see how you can go from where you are now to get to your destination.

let me know if you have any questions!!!

F(x) 2x+3 how would u graph it

Answers

Here it is ! I hope that's help !

how do you find the volume to the nearest cubic in of a cone whose radius is 12 in and hieght is 15 inches

Answers

You have to know the formula for the volume of a cone.
In high school, there's no other way.

Volume of a cone = (1 / 3) π (radius)² (height)

Volume = (1 / 3) π (12 inches)² (15 inches)

Volume = 720 π = 2,261.95 cubic inches

Rounded to the nearest cubic inch, that's 2,262 cubic inches.

$V \beta = (1)/(3) \pi r^(2)h \n V \beta = (1)/(3) \pi 12^(2) * 15 \n V \beta = 2160 * (1)/(3) \pi \n V \beta = 720 \pi$