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Anika [276]
3 years ago
15

Countries that add fluoride to water have higher cancer rates than countries that do not. The conclusion that fluoride causes ca

ncer is
A) not justifiable, because the correlation may be weak.

B)not justifiable, because there are other variables, such as age, to consider

C)justifiable, because there is an increase of cancer in more than one country

D) justifiable, because there is a complementary correlation between fluoride usage and cancer.
Mathematics
2 answers:
Tamiku [17]3 years ago
7 0
I think its....A)<span>not justifiable, because the correlation may be weak. 
</span>
hope this helps and please make the braily-est answer and rate 5* 

thanks

zhannawk [14.2K]3 years ago
6 0

Answer: yo the answer is B



Step-by-step explanation:


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julsineya [31]

9514 1404 393

Answer:

  swordfish

Step-by-step explanation:

The graph shows the marlin travels 50 miles in 1 hour, and 150 miles in 3 hours. These numbers can be compared directly to those given for the tuna (43.5 miles in 1 hour) and the wahoo fish (144 miles in 3 hours).

The speeds of the swordfish and shark are the coefficients of x in their respective equations. The swordfish travels 60 mph, so is faster than the marlin. The shark travels 31 mph, so is slower.

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notka56 [123]

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3 years ago
The lines shown below are perpendicular. If the green line has a slope of a
Georgia [21]

Answer:

-4/3

Step-by-step explanation:

  • since the both lines are perpendicular the  product of their slopes equals -1
  • let m be the slope of the red line
  • m*a = -1
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3 years ago
5 5/8 - 5 1/8 simplify .
uranmaximum [27]

Answer: 5 : 3 1/8 = 8 : 5

Step-by-step explanation:

Change values to whole numbers.

Convert any mixed numbers to fractions.

Convert 3 1/8

3 1/8 = 25/8

We now have:

5 : 3 1/8 = 5 : 25/8

Convert the whole number 5 to a fraction with 1 in the denominator.

We then have:

5 : 3 1/8 = 5/1 : 25/8

Convert fractions to integers by eliminating the denominators.

Our two fractions have unlike denominators so we find the Least Common Denominator and rewrite our fractions as necessary with the common denominator

LCD(5/1, 25/8) = 8

We now have:

5 : 3 1/8 = 40/8 : 25/8

Our two fractions now have like denominators so we can multiply both by 8 to eliminate the denominators.

We then have:

5 : 3 1/8 = 40 : 25

Try to reduce the ratio further with the greatest common factor (GCF).

The GCF of 40 and 25 is 5

Divide both terms by the GCF, 5:

40 ÷ 5 = 8

25 ÷ 5 = 5

The ratio 40 : 25 can be reduced to lowest terms by dividing both terms by the GCF = 5 :

40 : 25 = 8 : 5

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3 years ago
Use the graph to answer the following questions help please !!
tigry1 [53]

Answer:

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