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cupoosta [38]
3 years ago
8

A study showed that people who take a B12 vitamin daily have a significantly better chance of protecting against Alzheimer's dis

ease than those who did not take the vitamin daily. Which of the following statements is/are correct?
I. This study provides evidence that taking a B12 vitamin daily contributes to protecting against Alzheimer's disease.
II. The general health consciousness of people who take B12 vitamins could be a confounding variable.
III. This is an observational study and not an experiment.
a. l only
b. III only
c. l and II only
d. ll and III only
e. I, II, and III
Mathematics
1 answer:
marishachu [46]3 years ago
3 0
A. 1 only- this study provides evidence that taking B12 vitamin daily contributed to protecting against Alzheimer’s disease.
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Mr.Johnson weighs 135 pounds. Her husband weighs 80 kilogram. How many fewer pounds does Ms.Johnson weigh than her husband?
sweet-ann [11.9K]
First you convert kilograms to pounds,
1 kilogram = 2.205 pounds
next you times the number of pounds per kilogram by the number of kilograms given that need to be turned into pounds.
80 times 2.205 = 176.4
next you subtract to get the answer
176.4 - 135= 41.4
so Ms. Johnson weighs 41.4 pounds less than herr husband


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What do the word each me in math
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I need help for my daughters homework for write the sentence as an inequality
Taya2010 [7]

Answer:

15 < t ÷5

Step-by-step explanation:

all it wants is for you write the sentence as an equation.

I really hope this helps

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drek231 [11]

Given is triangle with base = 10 cm and perpendicular height = 3 cm.

We know the formula for area of triangle is given by :-

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Area = \frac{30}{2}

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So, final answer is 15 cm².

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