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3 years ago

• How do I isolate a variable?

2 answers:

8 0

Depends on the question but you generally must use a variety of operations to isolate the variable by itself on one side of the equation

WITCHER [35]3 years ago

3 0

Answer:

It means to get the variable by itself. Isolating the variable means rewriting an equivalent equation in which the variable is on one side of the equation and everything else is on the other side of the equation. Hope this helps.

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What is the solution to the following system?

katrin2010 [14]

Answer: C. x=0, y=2, z=5

Step-by-step explanation:

you can just plug in the numbers and see which ones work

7 0

3 years ago

Josiaanswer this is it josia the question

makkiz [27]

Answer:

6? i am soooo confused

Step-by-step explanation:

3 0

2 years ago

4 times x with an exponent of 2 plus 2 times y with an exponent of 4. X=-3 y=2

Digiron [165]

Answer:

Step-by-step explanation:

Your equation is: $4*x^{2} +2 * y^{4}$

You also know that x = -3 and y = 2. You can rewrite the equation by substituting x and y with their actual values:

$4*(-3)^{2} +2 * 2^{4}$

First, you want to do the exponentiation (meaning you want to calculate $(-3)^{2}$ and $2^{4}$ parts). $(-3)^{2}$ equals 9 and $2^{4}$ equals 16.

So the equation now is:

$4*9+2*16$

Now you want to do multiplication. $4*9$ equals 36 and $2*16$ equals 32. So you're left with:

$36+32$

Which equals 68.

8 0

3 years ago

Cara and John collect baseball cards.Cara has 12 times as many baseball cards as John.Together they have 117 cards.How many card

enyata [817]

Answer:

Cara:108

Step-by-step explanation:

John: x number of cards

Cara: 12 times x number of cards(she has 12 times more cards than John)

Cara+John=117 cards

$12 \times x + x = 117 \\ 13x = 117 \\ x = \frac{117}{13} \\ x = 9$

Cara has 12×9 cards, so she has 108 cards.

Hope this was helpful :)

5 0

3 years ago

Read 2 more answers

Please help me answer this!!

tangare [24]

Answer:

Here,

1-4

2-3

3-1

4-2

8 0

3 years ago