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2 years ago

Is substitutions the best method to use when one variable is already known

2 answers:

8 0

There’s two ways to substitute, but i think you mean if you know x but don’t know y. if that is true, then yes use substitution

Mama L [17]2 years ago

7 0

Substitution Method is used for solving equations in 2 Variables, where you find the value of one variable in terms of the other and then substitute that value into any one of the equations. It can also be used when one Variable is known to you and you have to find the other.

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I need help with this please

Y_Kistochka [10]

Answer: A. -5/4

Step-by-step explanation:

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3 years ago

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Write 1 16 as a decimal. A) 0.00625 B) 0.0625 C) 0.625 D) 6.25

xenn [34]

Answer:

b) 0.0625

Step-by-step explanation:

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3 years ago

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Which of the following is the difference of two squares

Roman55 [17]

Answer:

2nd option

Step-by-step explanation:

A difference of squares has the general form

a² - b²

where the terms on either side of the subtraction ( the difference ) are both perfect squares.

The only one fitting this description is

16a² - 4y²

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2 years ago

Can someone help me

nexus9112 [7]

Answer:

Its C i think

Step-by-step explanation:

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3 years ago

Betsy started a business 2 years ago. She had 8 customers in the first year. She added 18

denpristay [2]

Answer:

Step-by-step explanation:

If im correct it will be no because...

18 x 3 = 54

Now you do

54 + 54 = 216

I might be right or wrong (sorry if i got it wrong)

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3 years ago