3 years ago

How do you determine which variable to substitute in for?

Mathematics

1 answer:

stira [4]3 years ago

7 0

Answer:

Substituting for a Variable

If you know the value that the variable is equal to, you can substitute that value in for the variable in the expression! Let's look at an example. Since we know that x=5, we can directly substitute or replace the x in the expression x+3 with a 5 to solve for y!

Step-by-step explanation:

I hope this kinda helps

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What step is it called when numbers go from negative to positive in an equation? For example -x = -5 going to x = 5.

Neporo4naja [7]

Answer:

B. Multiplication or Division property of equality

Step-by-step explanation:

Both sides of the equation have been multiplied by -1. The multiplication property of equality tells you that multiplying both sides of the equation by the same number does not change the truth of the equation (and the variables retain their values).

3 0

3 years ago

Use a quadratic equation to find two numbers whose sum is 5 and whose product is - 24.

prisoha [69]

Hello
if m s : sum and p : <span> product
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x²-5x-24 = 0 </span>

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4 years ago

Simplify. 5/3-(-3)) (14-20) 9

pochemuha

Step-by-step explanation:

is the 9 in power ?

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3 years ago

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shepuryov [24]

Answer:

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2 years ago

What if four girls want to share $9.60 equally? how much money will each girl get? complete the explanation. each girl will have

Zarrin [17]

Answer:

$2.40

Step-by-step explanation:

$9.60/4 = $2.40

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2 years ago

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