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Vedmedyk [2.9K]
3 years ago
8

What is 2x + 3x= what?

Mathematics
1 answer:
Katen [24]3 years ago
6 0

Answer:

5x

Step-by-step explanation:

2+3=5 with the variable

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Is a survey of the guests about their preference of food at a party an observational study or experimental study? If it is an ex
Andreas93 [3]

Answer:

The study is an observational study.

Step-by-step explanation:

Observational study: In research methods, the term "observational study" is determined as one of the different studies that are being conducted by the researchers to observe or study the effects of a specific risk factor, treatment, diagnostic test, or some other intervention in the absence of an effort to change which participants are being exposed and which is not being exposed to it.

Types: Cohort study and case-control study.

In the question above, the given statement represents the observational study.

6 0
3 years ago
Help me please asap
abruzzese [7]

Answer:

So the right answer is none

Step-by-step explanation:

-6≤1+3x

3x≥-7

x≥-2,33

-2,33>-5>-6>-11

so none of those are bigger then -2,33 and x is bigger then -2,33

3 0
3 years ago
Please help! Due Friday
solmaris [256]
For (-1,2) you go to the left one and up two.
For (-3,6) left three up six
For (4,8) right four and up eight
5 0
3 years ago
Read 2 more answers
What is the current density of the solution a/m2
Jlenok [28]

Current density of solution a/m2 is given below

Step-by-step explanation:

Current density is the measure of current generated per unit surface area of electrode.

Eg: In microbial fuel cell/fuel cells, if you are using electrode with size of 5cm x 2cm and current produced is 200mA, then current density will be,

CD= Current/(projected area of electrode)

area of rectangle= LxB= 5cm x 2cm =10cm2

CD= 200mA/10cm2

CD= 20mA/cm2

Your Current will be 200mA.

Current density will be 20mA/cm2.

8 0
3 years ago
a jet plane traveling at 500mph overtakes a propeller plane traveling at 200mph that had a 2 hour head start. how far from the s
Orlov [11]
DD_{1} = D_{2}

500(x-2)=200x 
500x-1000=200x
300x=1000
x=3.333330 or 3 and 1/3

Propeller distance: 3 and 1/3 * 200 = 666.666667 or  666 and 2/3 miles
5 0
4 years ago
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