2 years ago

A store is having a sale.Each item is on sale for half off the regular price,m

Mathematics

1 answer:

solong [7]2 years ago

5 0

Answer:

I'm just awarding a random person and you have won a thousand dollars

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Help and explain !!!!( Solve using the substitute method )

alex41 [277]

Answer:

x=13

y= -9

(13, -9)

Step-by-step explanation:

If we are solving using the substitution method, we can take the first equation and set it to y so y=4-x.

Then, we can take that equation and plug it into the bottom one so

3x+4(4-x)=3

Simplify:

3x+16-4x=3

-x=-13

x=13

We can then plug 13 into any of the two given equations (I am just going to plug it into the top one)

So, 13+y=4 which y= -9

5 0

3 years ago

What is the surface area of a coke bottle? how do you figure it out?

svetlana [45]

Can or bottle? A can will be the calculation for the surface area of a cylinder which is A= $2 \pi rh+2 \pi r^{2}$ if r is the radius of the circle on the top and bottom of the can and h is the height of the can. A can is basically two circles and a big rectangle. For a bottle I don't know there are too many components and no numbers to solve for that