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Jobisdone [24]
3 years ago
14

Can you please help with #2

Mathematics
1 answer:
Alenkinab [10]3 years ago
3 0
Turn 1 7/8 into 15/8
15/8 times 4/5 is60/40
60/40 is 1.5
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______To test the efficacy of vitamin C in preventing colds, army recruits are randomly assigned to one of two groups: one in wh
kipiarov [429]

Answer:

This type of study design is

Clinical Trial

Step-by-step explanation:

  • It is clinical trial because in this study design a treatment is given to the individuals and then we observe this treatment. In this experiment, we are studying the effects by giving 500 mg of Vitamin and Placebo to the soldiers.
  • It is not a cross-sectional study because this type of study is used to analyze characteristic of the population depending upon data but this study is not used for disease.
  • It is also not a case-control study as well as prospective cohort study because case-control study is used to observe the new cases of a disease while prospective cohort study is used for determining risks or exposure factors of a disease.
  • It is not a community trial as in which a community is under observation like a city or a country and it is also not a historical prospective cohort study because in this study type, we observe the cohorts (similar objects) with the different qualities. They are studied on the basis of these qualities.
8 0
3 years ago
Read 2 more answers
What is the value of 64 1/3
Marizza181 [45]

Answer:

64.3333333333

Step-by-step explanation:

Simplify the expression. Tap for more steps... Rewrite 64 64 as 43 4 3 .

7 0
3 years ago
Read 2 more answers
Which equation represents a line that passes through the two points in the
Andreyy89

Answer:

Y-1=5/3(x-3) (aka b)

Step-by-step explanation:

7 0
3 years ago
Sally wants to calculate how fast her little brother can run. What information does she need to know?​
White raven [17]
Speed,distance i’m not 100% sure tho
6 0
3 years ago
Read 2 more answers
22. Solve the system
DaniilM [7]
Equation 1)  x + 6y = 2
Equation 2)  5x + 4y = 36

Multiply all of equation 1 by 5.

1)  5(x + 6y = 2)

Simplify.

1)  5x + 30y = 10
2)  5x + 4y = 36

Subtract equations from one another.

26y = -26

Divide both sides by 26.

y = -1

Plug in -1 for y in the first equation.

x + 6y = 2

x + 6(-1) = 2

Simplify.

x - 6 = 2

Add 6 to both sides.

x = 8

D : (8, -1)

~Hope I helped!~
8 0
3 years ago
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