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Allisa [31]
3 years ago
10

I need help with this

Mathematics
2 answers:
noname [10]3 years ago
4 0
It’s B you just divide the distance by the number of hours he biked for and the average is just the totals you find added together and divided by two
AnnZ [28]3 years ago
3 0
Oh lord who knows...
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Which two expressions is equivalent to 8(5+x)
Natali [406]

Answer: 8(x+5) 8x + 40

40 + 8x

Step-by-step explanation:

Distribute the 8 by multiplying by each value inside the parentheses.

Commutative property in addition and multiplication allows the terms to be in reversed order.

4 0
2 years ago
Identify the type of observational study​ (cross-sectional, retrospective, or​ prospective) described below. A research company
Sindrei [870]

Answer:

Prospective study

Step-by-step explanation:

<em>A cross-sectional study, also known as transverse study, is a type of observational study that analyzes data from a population at a specific point in time.</em> This kind of observation is used if cases cannot be identified a priori or if the prevalence of the disease or condition needs to be determined.

Cohort studies are when two or more groups of subjects are followed over time to see if they develop some disease or if some event occurs, there are two type of cohort studies, prospective and retrospective. <em>Prospective studies (or follow-up studies) follow subjects with different exposures until some point in time where something happens or the study ends</em>, r<em>etrospective studies use historical data</em> to make comparisons based on risk factors or exposures that occurred before the events.

Considering the information given and the observational study exposed to the question, we can conclude that we are talking about a prospective study because data is collected over the next 10 years.

I hope you find this information useful and interesting! Good luck!

7 0
2 years ago
How do you solve 1/4 (8y + 4) -17= 1/2 (4y -8)
Keith_Richards [23]
Well use photo math that will give u the answer and how to work it out
3 0
3 years ago
Which choice is equivalent to the product below when x≥x​
Mazyrski [523]

Answer:

B.

Step-by-step explanation:

If you dont understand what I wrote, just ask!

4 0
3 years ago
Read 2 more answers
Daine rented a movie
Jet001 [13]
If x=3 then the answer would b
2(3)+4= $10 So y= $10
Hope this helps!
7 0
3 years ago
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