2 years ago

How do you determine which variable is independent and which one is independent?

1 answer:

7 0

Answer: An independent variable is exactly what it sounds like. It is a variable that stands alone and isn't changed by the other variables you are trying to measure. For example, someone's age might be an independent variable.

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<img src="https://tex.z-dn.net/?f=%5Csqrt123" id="TexFormula1" title="\sqrt123" alt="\sqrt123" align="absmiddle" class="latex-fo

katrin [286]

Answer:

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8 0

2 years ago

Solve or check ' whether your answer is correct or not 3x -9=12

Kruka [31]

Answer:

x = 7

Step-by-step explanation:

3x - 9 = 12

3x = 12 + 9

3x = 21

x = 21 ÷ 3

x = 7

5 0

3 years ago

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The sum of an infinite geometric series is three times the first term. Find the common ratio of this series.

adelina 88 [10]

Answer:

$\frac{2}{3}$

Step-by-step explanation:

The sum of an infinite geometric series is expressed according to the formula;

$S_\infty = \dfrac{a}{1-r}$ where;

a is the first term of the series

r is the common ratio

If the sum of an infinite geometric series is three times the first term, this is expressed as $S_\infty = 3a$

Substitute $S_\infty = 3a$ into the formula above to get the common ratio r;

$3a = \dfrac{a}{1-r} \\\\$

$cross \ multiply\\\\3a(1-r) = a\\\\3(1-r) = 1\\$

open the parenthesis

$3 - 3r = 1\\\\$

subtract 3 from both sides

$3 - 3r -3= 1-3\\\\-3r = -2\\\\r = \frac{2}{3}$

Hence the common ratio of this series is $\frac{2}{3}$

3 0

2 years ago

a large box contains 18 small boxes and each small box contains 25 chocolate bars how many chocolate bars are in the large box?

statuscvo [17]

The box has 450 bars in it. 18 times 25 would equal 450

6 0

3 years ago

Read 2 more answers

3. Find the area of a rectangle that is 2 feet long and 4/5 of a foot wide

V125BC [204]

Answer:

Step-by-step explanation:

8 0

2 years ago