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3 years ago

Ricardo has a square hot tub. He wants to build a square

Mathematics

1 answer:

Sliva [168]3 years ago

8 0

Answer:

4.8ft

Step-by-step explanation:

Let x be the length of the side of the hot tub. Ricardo wants the pool's sides to be 5 times as long, so

5x=24\implies x=\dfrac{24}5=4.8\text{ ft}

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Answer:

0.04

Step-by-step explanation:

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3 years ago

How do solve this equation step by step

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Answer: 15n³-105n²+2n+16/6n²-42n

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4 years ago

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3 years ago

Kelly needs to order lunch for orders 6 people at a business meeting. Her menu choices are chicken salad for a cost of $5 per pe

nirvana33 [79]

Ok , with that information we can write the equations
x + y = 6
5x + 4y = 28

Where x = how many people ordered chicken
and y = how many people ordered egg salad

Through elimination , we can set one of the variables in both equations equal so we can eliminate it :

(4)x + (4)y = (4)6
5x + 4y = 28

4x + 4y = 24. equation 1
5x + 4y = 28. equation 2

Now we can subtract the second equation by the first equation and isolate one variable:
equation 2 - equation 1

5x - 4x + 4y - 4y = 28 - 24

x = 4

Now that we discovered our x value ( How many people ordered chicken salad ) , we can apply it to one of the equations and discover y ( how many people ordered egg salad)

x + y = 6
x= 4
4 + y = 6

We can shift 4 to the other side of the equation by subtracting 4 from both sides of the equation:
4 - 4 + y = 6 - 4
y = 2

x=4 and y=2

So the awnser is :
4 people ordered chicken salad and 2 people ordered egg salad!

I hope you understood my brief explanation!!

p.s if you want to know how to use another method to solve these problems ( Substition) , just let me know in a comentary down here

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3 years ago