The factor or variable other than the ones being studied that, if not controlled, could affect the outcome of an experiment is the _____ variable.

Answers

Answer 1

Answer:

Extraneous variable.

Step-by-step explanation:

This variable is not seen to work on its own directly in a lot of cases, they are explained to be occurrences or certain factors that are seen to influence the process of the experiment that are not independent variable. In different surveys of studies, it is said to sometimes posses a negative effect on the data consequentially. Many surveys and research has also shown that some of these variables can be controlled while also some of them cannot be controlled.


Related Questions

What is the slope of a line perpendicular to the line whose equation is 2x+12y=-1922x+12y=−192. Fully reduce your answer.

Answers

Answer:

The slope of the perpendicular line  m =6

Step-by-step explanation:

Step(i):-

Given that the equation of the straight line

                                            2x + 12y =-192

                                        ⇒ 12 y = -192 -2x      

                                               [tex]y = \frac{-2x}{12}- \frac{192}{12}[/tex]

                                              [tex]y = \frac{-x}{6} - 16[/tex]

                                             y = m x +C

The slope of the given line[tex]m = \frac{-1}{6}[/tex]

                                         

Step(ii):-

The slope of the perpendicular line

                                        [tex]\frac{-1}{m}[/tex]

                                   = [tex]\frac{-1}{\frac{-1}{6} }[/tex]

The slope of the perpendicular line m =6

Jordyn saved $75 in two months. If Jordyn continues saving at this rate, how much will she have saved in 12 months?$_________ *

Answers

Answer:

1,875

Step-by-step explanation:

75x25=1,875

what fraction is equivalent to 4 12?

Answers

Answer:

1/3

Step-by-step explanation:

1/3, 2/6, 3/9, 4/12.

are equivalent fractions. Equivalent fraction of a given fraction is got by multiplying or dividing its numerator and denominator by the same whole number.

The given fraction 4/12 is equivalent to 1/3 which means that both fractions represent the same value.

To find a fraction equivalent to 4/12, we need to simplify it by reducing the numerator and denominator to their lowest terms.

In this case, the GCD of 4 and 12 is 4. When we divide both the numerator and denominator by 4, we get:

4/12 = (4 ÷ 4) / (12 ÷ 4)

= 1/3

Therefore, 4/12 is equivalent to 1/3.

This means that both fractions represent the same value, but the fraction 1/3 is in its simplest form, where the numerator and denominator have no common factors other than 1.

Learn more about the fraction here:

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The correct question is as follows:

What fraction is equivalent to 4/12?

Paul spends $89.10 on blackberries. If the blackberries cost $4.95 per pound, how many pounds of blackberries did he buy?

Answers

18 pounds
U can divide 89.10 by 4.95 and u get 18
To get if it’s right multiple 18 by 4.95 and U get 89.10

Bryan spent 14 minutes on the phone while routing 7 phone calls. How many phone cells does Bryan have to route to spend a total of 16 minutes on the phone? Solve using unit rates.

Answers

Answer:

8 phone cells

Step-by-step explanation:

We are told that he spent 14 minutes on the phone while routing 7 phone calls.

Now, we want to find the number of phone cells he will route for a total of 16 minutes.

Thus, by proportion using unit rates;. Number of minutes spent pet phone cell = 14 minutes ÷ 7 phone calls = 2 minutes per phone cell

Therefore, for 16 minutes, number of phone cells will be;

16 minutes ÷ 2 minutes per phone cell = 8 phone cells

DUE TOMORROW
Expand the expression.
6(x-5)

Answers

I don't know how you wanted it solved

but here anyway

Answer:

6x-30

Step-by-step explanation:

6(x-5

6(x-30 hope it helped:)

y=2x+3
y=4x−3


Is (3,9) a solution of the system?

Answers

Answer:

Yes (3,9) is a solution.

Step-by-step explanation:

Substitute 9 for y and 3 for x then do the equation and you should get 9=9 for both.

For every one litre of water used to make medicine, 150 ml of sucrose and 600 ml of saline solution is used. Express the amount of water, sucrose and saline solution needed as a ratio in its simplest form

Answers

Answer: 20 : 3 : 12

Step-by-step explanation:

For every 1 litre, 150 ml of sucrose and 600ml of saline solution is needed.

1litre = 1,000 ml

Water = 1,000 ml

Ratio:

1,000 : 150 : 600

Divide by 50 to get simplest form:

20 : 3 : 12

Kathy slices through a circular cake. The cake has a diameter of 14 inches. The slice that Kathy made is straight and has a length of 11 inches. Did Kathy cut along a radius, a diameter, or a chord of the circle

Answers

Answer: chord

Step-by-step explanation:

A chord is a straight line that's typically drawn from one particular edge of a circle to another.

In this case, the diameter is 14cm while the length of the line drawn is 11cm, therefore the diameter isn't a chord. It's not a radius as well as the diameter divided by 2 gives the radius which should be 7cm.

Therefore, it's a chord.

help asap PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZ

Answers

Step-by-step explanation:

a) Polly's age = x+4 years

b) Anders and Polly's age = x+(x+4) years

c) When x=11 , put in equation 11+(11+4)=11+15=26---> T

d) T=40 x+(x+4)=40

=> 2x+4 = 40

=> 2x. = 36

=> x. = 36/2

=> x. = 18.

Hope it helps you.

Find the indicated measurement for the pair of similar figures.

Answers

Answer:

CAN U PLSS HELP ME ILL GIVE U 60 POINTS IM BEGGING U PLSSS PLSS I REALLY NEED HELP ILL GIVE U 60 POINTS

Step-by-step explanation:

Include a Claim, Evidence, Explanation, and Conclusion for full credit.

Cells were obtained from a patient with a viral infection. The DNA extracted from these cells consisted of two forms: double-stranded human DNA and single-stranded viral DNA. The base composition of these two forms of DNA are shown in the image.

Construct an argument based on evidence to determine which form was the viral DNA and which form was the human DNA.

What is 0.3x-2 equal

Answers

Answer:

i think -0.6

Step-by-step explanation:

Answer:-0.6

Step-by-step explanation:

5)
Solve for x.
2x + 16 = 3(x - 9)
My Answer:

Answers

Answer:

Step-by-step explanation:

2x+16= 3(x-9)

2x+16= 3x-27

3x-2x^^

16= x-17

16+17

x= 33

Answer:

x=43

Remove parentheses, move the terms, collect the terms, calculate, change the signs!

Which expression is equivalent to the given expression?
(-6ab)2

Answers

Answer:

B. 36a^2b^2

Step-by-step explanation:

1. Apply exponent rule: (-a)^n = a^n, if n is even

(-6ab)^2 = (6ab)^2

(6ab)^2

2. Apply exponent rule: (a × b)^n = a^nb^n

(6ab)^2 = 6^2a^2b^2

6^2a^2b^2

3. 6^2 = 36

36a^2b^2

In other words, your answer is B.

The answer is Option B)

What are like and unlike terms in an expression?

In Algebra, the like terms are defined as the terms that contain the same variable which is raised to the same power. In algebraic like terms, only the numerical coefficients can vary. We can combine the like terms to simplify the algebraic expressions.

Given here: (-6ab)²=36a²b²

Hence, The answer is Option B)

Learn more about like and unlike terms here:

https://brainly.com/question/29078851

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help pls
for brainlist

Answers

Answer:

7/20

Step-by-step explanation:

12/20+ -5/20

Domain, range, and is it a function?

Answers

Answer:

it is a function and domain and range is 0 to infinity

find the slope from the table

Answers

Answer:

27/-13.5

Step-by-step explanation:

do y2-y1/x2-x1

9 dollars for 3 cans of tuna *

Answers

Answer:

3 dollars for each can of tuna

Step-by-step explanation:

9-3=6

6-3=3

3-3=0

divide the amount of money by each can, 9 divided by 3 = 3, so $3 per can

hope that’s what you were looking for

Linda is training for a half marathon. She ran 512 miles Monday, 4 miles Tuesday, and 134 miles Wednesday. How many miles did she run in those three days?

Answers

Answer:650 miles hope this helps :)

Step-by-step explanation:

512+4+134=650 miles

Good morning fellow brainly users have some points and just so this doesnt get deleted what if 4+5x= if x=9?

Answers

Answer:

thanks for the points.

Step-by-step explanation:

4+5x=49 if x=9.

have a great day :)

John takes out a loan for $ 12 , 000 at a simple interest rate of 4.5 % to be paid back in 36 monthly installments. What is the amount of the monthly payments?

Answers

Answer: $378.33

Step-by-step explanation:

First we calculate the Simple interest which will be:

= 12000 × 4.5% × 3

= $1620

Total amount to be paid = $12000 + $1620 = $13620

Since there are 36 monthly installments, the amount of the monthly payments would be:

= $13620 / 36

= $378.33

What is the y intercept of 60x+55y=660 [with work shown]

Answers

Answer:

(11, 0)

Step-by-step explanation:

to find the y intercept, set y to 0.

60x + 55y = 660

60x + 55 * 0 = 660

60x = 660

60x/60 = 660/60

x = 11

y intercept is (11, 0)

Please help! Will give 20 points!

Answers

Answer:

It’s vertical and supplementary angles.

Step-by-step explanation:

Angle CEA and DEB are opposite angles so they are vertical

Angle AED and BED are supplementary angles because it they both make up 180 degrees

What describes the end behavior of the polynomial function?

Answers

Answer:

[tex]x \to +\infty[/tex], [tex]f(x) \to +\infty[/tex] and [tex]x \to -\infty[/tex], [tex]f(x) \to -\infty[/tex].

Step-by-step explanation:

A polynomial is an algebraic function of the form:

[tex]y = \Sigma_{i=0}^{n}c_{i}\cdot x^{i}[/tex] (1)

Where:

[tex]c_{i}[/tex] - i-th Coefficient.

[tex]x^{i}[/tex] - i-th Power.

[tex]n[/tex] - Grade of the polynomial.

[tex]y[/tex] - Dependent variable.

Mathematically speaking, polynomials are unbounded functions, and from graphic we notice that polynomial is of order 3 due to the fact that function pass through the x axis three times, where each point is a root of the polynomial.

Then, we may conclude that:  

(i) [tex]\lim_{n \to +\infty} f(x) = N.E.[/tex]

(ii) [tex]\lim_{n \to - \infty} f(x) = N.E.[/tex]

Then, the right answer is: [tex]x \to +\infty[/tex], [tex]f(x) \to +\infty[/tex] and [tex]x \to -\infty[/tex], [tex]f(x) \to -\infty[/tex].

WHAT IS THE ANSWER!!
someone please help

Answers

Answer:

its number 2 now mark me Brainliest Pls

Step-by-step explanation:

Answer:

ummm..i should say it's 2

what is the slope of the line that contains points (3,-9) and (-2,16) please help !!

Answers

Slope = Change in Y / change in x

Slope = (16 - -9) / (-2 - 3)

Slope = 25/-5

Slope = -5

Which of the following could NOT be the lengths of the sides of a triangle?
A.5 in, 5 in, 5 in
B. 10 cm, 15 cm, 20 cm
C. 3 in, 4 in, 5 in
D. 8 ft, 15 ft, 5 ft

Answers

Given:

Sides of triangles in the options.

To find:

Which could NOT be the lengths of the sides of a triangle.

Solution:

Condition for triangle:

Sum of two smaller sides of a triangle must be greater than the longest side.

In option A,

[tex]5+5=10>5[/tex]

Sides 5 in, 5 in, 5 in are the lengths of the sides of a triangle.

In option B,

[tex]10+15=25>20[/tex]

Sides 10 cm, 15 cm, 20 cm are the lengths of the sides of a triangle.

In option C,

[tex]3+4=7>5[/tex]

Sides 3 in, 4 in, 5 in are the lengths of the sides of a triangle.

In option D,

[tex]8+5=13<15[/tex]

Since, the sum of two smaller sides is less than the longest side, therefore the sides 8 ft, 15 ft, 5 ft are not the lengths of the sides of a triangle.

Therefore, the correct option is D.

Zoey knit a total of 24 centimeters of a scarf over 3 nights. How many nights will Zoey have to spend knitting in order to knit a total of 40 centimeters of the scarf?
Options:
5
6
7
4
Thank you! You guys really help!

Answers

Answer:

5 nights

Step-by-step explanation:

24 / 3 = 8 centimeters for 1 night

40 / 8 = 5 nights

8 x 5 = 40 centimeters

what is the lcm of 8 and 41 please help meeeee

Answers

Answer:

328

Step-by-step explanation:

Since 41 is a prime number, you would have to multiply 8 by 41 and get 328.

Answer:The LCM is 328

Step-by-step explanation:Find the multiples of 8 and 41.

Multiples of 8:  8, 16, 24, 32, 40, 48, 56,64,72,80,88,96,102,110,118, etc

(For this keep adding 8 into you find a same number which is 328)

Multiples of 41: 41, 82, 123, 164, 205, 246, 287,328

They both have the number 328.

Hope it helps.

Find the : F (g (x))

Answers

Answer:

bn+c=

tn=t1+(n-1)d

Step-by-step explanation:

bn+c=

tn=t1+(n-1)d∛²

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