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aleksklad [387]
3 years ago
12

How many different sandwiches did ray choose

Mathematics
1 answer:
iogann1982 [59]3 years ago
7 0

Answer:

I would not know can you give more about the problem?

Step-by-step explanation:

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Kenny’s weight is 6/7 times Melvin’s weight.
Mazyrski [523]

Answer=7:13


Kenny's Weight*6/7=Melvin's Weight


So, for example, if Melvin's weigh was 7...


Kenny's Weight*6/7=7

divide both sides by 6/7

Kenny Weight=6


So we can say that Melvin's weight to Kenny's weight is 7:6


The boys total weights would be...

7+6=13



So Melvin's weight over the total weight of the two boys is:


7:13



3 0
3 years ago
What is the answer for this multi step equation
Masteriza [31]
1+7x=1+7x
-7x. -7x
1=1
8 0
3 years ago
What is 100.2 percent as a fraction and decimal
notka56 [123]

Answer:

1.002 Decimal and 1 2/100 fraction

Step-by-step explanation:

Move the decimal 2 places to the right and make 100.2 1.002

think 100.2 over 100. we get 100 2/100 also know as 1whole and 2/100

7 0
3 years ago
Read 2 more answers
In a study published on January 31, 2011 in The Proceedings of the National Academy of Sciences, researchers randomly assigned 1
Kaylis [27]

Answer:

d.

Step-by-step explanation:

Hello!

The objective of this test is to know if aerobic exercise modifies hippocampus activity. A random sample of 120 elderly men and women was taken and divided into two groups.

Group 1: Walked around a track three times a week.

Group 2: Did a variety of less aerobic exercises, including yoga and resistance training with bands.

After a year their brains were scanned showing that group 1 had an increase of 2% in their hippocampus and group 2 showed a decrease of 1.4%

a. True, this type of observational study can be the prelude to a more formal statistical study.

b. True, the explanatory variable is "type of exercise", it's the variable that the investigator suspects influence the hippocampus volume.

c. True, the objective of this experiment is to test if there is any modification on hippocampus volume, that's why the volume of the hippocampus was measured, before and after a year of exercise.

d. False, this is an observational study, you cannot establish a causal relationship between the two variables. Just inform you that there seems to be an association. To be able to generalize the results to all elderly population you need a more formal statistical experiment to support your conclusions.

I hope it helps!

5 0
3 years ago
For this graph, mark the statements that are true.
amid [387]
The domain is the set of all real numbers.
The range is the set of all real numbers.
6 0
3 years ago
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