3 years ago

If the school supply kit regularly costs $25, how much does it cost, in dollars, after the 20% discount?

Mathematics

1 answer:

antoniya [11.8K]3 years ago

7 0

Answer:

over. The

remaining cake is split into 4 equa

Step-by-step explanation:

over. The

remaining cake is split into 4 equa

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What am I suppose to do here??

Alex777 [14]

Answer:

Step-by-step explanation:

Hey There!

To solve this problem we have to combine like terms

$7x^3-6x^3=x^3\\6x^2-8x^2=-2x^2\\-5x+10x=5x\\5-7=-2$

So our answer would be

$x^3-2x^2+5x-2$ (b)

5 0

3 years ago

Solve by substitution <br> Y=5x+30<br> Y=2x

Ratling [72]

Answer: x= -10 and Y=-20

Step-by-step explanation:

If y is equal to 2x that mean you need to substitute Y=5x+30 like this 2x=5x+30

8 0

3 years ago

PLEASE HELP ITS URGENT! Put the X numbers in the X area then solve! THANK LY!

pishuonlain [190]

You just take your rule y=4x-1 and plug it in for your y ex:-4(-5)-1=19 like that just plug it in for others

3 0

4 years ago

A bag contains 10 red marbles, 8 blue marbles and 2 yellow marbles. Find the theoretical probability of getting a yellow marble.

maria [59]

Answer:

5/4 chances of getting a yellow marble

3 0

3 years ago

Please help me with this question

mash [69]

Answer:

angle AOD = 90⁰

BOD = 3x⁰

90⁰+3x⁰ = 180⁰( being straight angle)

3x = 180⁰-90⁰

3x = 90⁰

x = 90⁰/3

x = 30⁰

now

y⁰+139⁰ = 180⁰(being straight angle)

y⁰ = 180⁰-139⁰

y⁰ = 41⁰

7 0

3 years ago