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natta225 [31]
3 years ago
7

What is meant by​ confounding?

Mathematics
1 answer:
ankoles [38]3 years ago
7 0

Answer:

a)

Step-by-step explanation:

In a study, if we want to measure of establish a relation between two variables, we say that there is a confounding variable when there is a third variable that is having an effect on our original two variables but this third variable wasn't originally measured in our study. Therefore our results are misleading because the relation between our two variables is being influenced by the confounding one.

This is why the correct answer would be the a) An explanatory variable has a great effect on a response variable. And this causes a misleading interpretation between the two variables.

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What's the simplified form of 2x + 3 – X + 5?<br> A.X-2<br> B.X-8<br> C. x+8<br> D. 3x + 8
allochka39001 [22]

Answer:

C

Step-by-step explanation:

Group like terms

= 2x - x +3 +5

Add the similar 'elements'

= x + 3 + 5

Add the numbers

3 + 5 = 8 + x

= x+8

8 0
3 years ago
karas jug contains 2 quarts of apple cider.she fills 8 mugs with cider.each mug can hold six three fourths of fluid ounces.how m
bazaltina [42]
So first of all you need to know that in 1 quart there is 31.9995 ounces so since shes says there is 2 quarts lets do the math:)
31.9995 x 2 = 63.999 ounces 
now she says she took 8 mugs and filled them up each with 6 and 3/4 ounces. lets do the math:)
6 and 3/4 x 8 = 30 ounces
now lets subtract that from our 2 quarts or 63.999 ounces 
63.999 - 30 = 33.999 
so we have 33.999 fluid ounces left in the jar:)
hope this helps lol

8 0
3 years ago
HELP PLEASE!! I need help​
chubhunter [2.5K]

Answer:

C=5.25+2.50x

Step-by-step explanation:

It starts with a base cost of $5.25 and increases by $2.50 for every ticket sold. Add 2.50(number of tickets) to the admission cost to get the total cost.

4 0
2 years ago
Read 2 more answers
Grade low in math help if you can :) Geometry
mestny [16]

Answer:

C) 10 inches

Step-by-step explanation:

I think the simplest way to do this is as follows:

divide 75 by 15 to get how many times you need to multiply 2in by

75/15=5

since 15(5)=75 or the actual size of the airplane,

2(5)=10 which is the size of the model airplane

5 0
2 years ago
Solve the equation 18x - 9 = 5+ 12x
Hitman42 [59]

Answer:

x = 2\frac{1}{3}

Step-by-step explanation:

Try to get x alone on one side

 Add nine to both sides

18x - 9 = 5 + 12x

     + 9 + 9

Subtract 12x from both sides  

  18x = 14 + 12x    

   -12x          -12x

Now that you have x alone on one side divide both sides by 6

    6x = 14

\frac{6x}{6} = \frac{14}{6}

x = 2 \frac{2}{6} or 2 \frac{1}{3}

8 0
3 years ago
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