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3 years ago

Find the independent and dependent variables y=x2-24x+3

Mathematics

1 answer:

Slav-nsk [51]3 years ago

4 0

Answer:

The independent variable is "x."

The dependent variable is "y."

Step-by-step explanation:

An independent variable is a variable that does not depend on an event. It is independent of another variable. It does not change as a result of another variable. It remains constant as it is controlled. It is used to measure the dependent variable.

A dependent variable varies. It depends on the independent variable for its outcome. It can yield various results depending on how the independent variable is changed. "y" in our example will change its value because of the value placed on "x." The dependent variable is the variable that is being measured or tested in an experiment. For example, the sales revenue of goods is a dependent variable of another independent variable like price and a constant (quantity).

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In the system if linear equations below a and b are constants.The solution to the systems is 5,1

dalvyx [7]

Answer:

Step-by-step explanation:

Actually Welcome to the Concept of the linear equations..

Here given value of x= 5 and y =1 , so we get as,

5a + b = 38 and 5b - a = 8

so, now we multiply equation no. 2 by 5 all over.

==> 25b - 5a = 40....(1)

hence adding new equation and equation no. 1

26b = 78

b = 78/26

hence b = 3 , and a = 7

6 0

2 years ago

Write the pair of fractions as a pair of fractions with a common denominator.

galben [10]

Answer:

3/10 and 4/10 4/12 and 9/12

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Evaluate -8y+x5 when x =2 and y= -3

kkurt [141]

Answer:

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

-3x + 6 = 18 I want the answer

zhenek [66]

-3x + 6 = 18...subtract 6 from both sides
-3x = 18 - 6
-3x = 12...divide both sides by -3
x = -12/3 reduces to -4 <===

7 0

3 years ago

Read 2 more answers

The weights of adult male birds of a certain species are normally distributed with a mean of 27.5 grams and a standard deviation

Korvikt [17]

Answer:

The z-score of a male bird of this species with a weight of 29.37 grams is 1.7.

Step-by-step explanation:

We are given that the weights of adult male birds of a certain species are normally distributed with a mean of 27.5 grams and a standard deviation of 1.1 grams.

Let X = weights of adult male birds of a certain species

So, X ~ Normal( $\mu=27.5,\sigma^{2} =1.1^{2}$ )

The z score probability distribution for normal distribution is given by;

Z = $\frac{ X-\mu}{\sigma } }$ ~ N(0,1)

where, $\mu$ = population mean weight = 27.5 grams

$\sigma$ = standard deviation = 1.1 grams

The Z-score measures how many standard deviations the measure is away from the mean. After finding the Z-score, we look at the z-score table and find the p-value (area) associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X.

SO, the z-score of a male bird of this species with a weight of 29.37 grams is given by;

Z score = $\frac{ X-\mu}{\sigma } }$ = $\frac{ 29.37-27.5}{1.1 } }$

= 1.7

4 0

3 years ago