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3 years ago

Identify the independent variable and the dependent variable.

Mathematics

1 answer:

Genrish500 [490]3 years ago

7 0

Answer:

independent is r and dependent is y

Step-by-step explanation:

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.

a tree grows a ring for each year, therefore, to determine a trees age, you need to count the rings. the rings "r" dictate the age or years "y"

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What is 8/9 as a decimal rounded to 3 decimal places

Iteru [2.4K]

Answer:

0.8889

Step-by-step explanation:

0.8889 is the 8/9 as a decimal rounded to 3 decimal places

6 0

3 years ago

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Y varies directly as x. Y=42 when x=6. Find the value of y when x =15.

pentagon [3]

Answer:

y=120

Step-by-step explanation:

Y varies directly as x is written as

$y \alpha x$

introducing a constant

y=kx

from the question, when y=48, x=6

substitute it in the formula

48=6k

making k the subject by dividing through by 6

$\frac{48}{6} = \frac{6k}{6}$

k=48/6

k=8

put the value of k in the expression y=kx

y=8x

from the question,the value of y when x=15 is given by

y=8×15

y=120.

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3 years ago

Which set of numbers is included in the solution set of 4-3x<-2

iren [92.7K]

$4 - 3x < - 2 \\ - 3x < - 2 - 4 \\ - 3x < - 6 \\ - x < - 2 \\ x > 2$

The answer is A (2.5, 8, 15), since these integers are greater than 2.

Hope this helps. - M

3 0

3 years ago

WILL GIVE BRAINLIEST! Match the equations that are the same

wolverine [178]

Answer:

1. 1/x = 8

Answer = 8x-1

2. 8x+1=3

Answer ; x=1/4

3. 7= 14/X

Answer ; x = 2

4.1/2x^2 = 2

Answer ;x=2

Step-by-step explanation:

$\frac{1}{x} =8 \\8x = 1\\\\\\8x+1=3\\Collect -like- terms \\8x =3-1\\8x = 2\\Divide -both -sides- by ;8\\\frac{8x}{8} =\frac{2}{8} \\x = 1/4\\\\\\7= \frac{14}{x} \\Cross -multiply\\7x =14\\Divide-both-sides-by-7\\x = 2\\\\\\\frac{1}{2} x^{2} =2\\\frac{x^{2} }{2} =2\\Cross-multiply\\x^{2} =4\\Squre-root -both-sides\\\sqrt{x^2}=\sqrt{4} \\x = 2\\$

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3 years ago

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The area of an rectangle is 750 square centimeters. If the base is 50 centimeters, what is the height? Remember - the formula to

elena-14-01-66 [18.8K]

Answer:

The answer is C. or 15 cm

Step-by-step explanation:

50 cm x 15 cm= 750 cm

Multiply 50 centimeters by 15 centimeters to get 750 centimeters

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3 years ago