3 years ago

Algebraic expression for 15x + 8

1 answer:

5 0

Yes, this is an algebraic expression, and is the simplest possible. Cannot be simplified further, and cannot be factored.

If we know the value of x, we can evaluate it to a number, otherwise, it stays as it is.

Or, perhaps the question is not complete.

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Solve the system using elimination. Write the solution as an ordered pair. (1 point) SHOW YOUR WORK FOR FULL CREDIT! (2 points)

Gre4nikov [31]

Answer: (1,-1)

Step-by-step explanation:

- You can multiply the first equation by -1

- Add the equations.

- Solve for x, as following:

$\left \{ {{-5x - 4y = -1} \atop {-3x + 4y = -7}} \right.\\------\\-8x=-8\\x=1$

- Substitute the value of x into any of the original equations and then you must solve for y:

$5(1)+4(y)=1\\4y=-4\\y=-1$

Therefore, the solution is: (1,-1)

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3 years ago

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Vlada [557]

Answer:

Step-by-step explanation:

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You must complete the following chores: take out the trash, wash the dishes, vacuum the carpet, clean your room, make your bed,

IgorLugansk [536]

I'm leaning towards combination because the order you do the chores does not matter. In permutation the order matters.

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4 years ago

Canz someone help me this is very confusing

andrew-mc [135]

Answer:

$48

75 minutes

Step-by-step explanation:

36/75=0.48 so %1 of her money is 0.48 but if you multiply that by 100 then you get $48, im pretty sure there's an easier way to do that but thats how i got it

18/24=0.75

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3 years ago

Convert 16/100 to decimal.

Delicious77 [7]

Answer:

.16

Step-by-step explanation:

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3 years ago