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koban [17]
3 years ago
11

True/False Indicate whether the sentence or statement is true or false.   Dimensional analysis is a method of problem solving th

at often uses conversion factors  
Mathematics
1 answer:
serious [3.7K]3 years ago
4 0
True, an example of using dimensional analysis would be converting inches to feet, i.e. converting the units.
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Can someone please explain an inequality?
kodGreya [7K]
An inequality is <span>the relation between two expressions that are not equal, employing a sign such as ≠ “not equal to,” > “greater than,” or < “less than.”</span>
3 0
3 years ago
Read 2 more answers
Solve 2(a + 7) = 5a - 13
timurjin [86]

Answer:

a = 9

Step-by-step explanation:

2(a + 7) = 5a - 13

We want to bring a to one side, I will choose to bring it to the right

First, expand the bracket by multiplying 2 with a + 7

2a + 14 = 5a - 13

Bring the -13 to the left by adding 13 to both sides

2a + 14 + 13 = 5a - 13 + 13

Simplify

2a + 27 = 5a

Bring the 2a to the right by subtracting 2a from both sides

2a - 2a + 27 = 5a - 2a

Simplify

27 = 5a - 2a

27 = 3a

Bring the 3 to the left by dividing both sides by 3

27÷3 = a

Simplify

a = 9

4 0
3 years ago
Find each angle measure. ( Diagrams are not drawn to scale.)​
irina1246 [14]

Answer:

1-141

2-39

3-141

Step-by-step explanation:

180-39=141

1 and 3 look the same size and 2 looks the same as c (39°) so you jsut fill in for the letters

I'm pretty sure this is right

4 0
3 years ago
lyle is sewing for a project. find his total cost of purchases: $5.98,fabric $16.39, thread and 2.25 Velcro 2.29
max2010maxim [7]
What you have to do is add all of the numbers:
5.98 + 16.39 + 2.25 + 2.29 =
$26.91
Hope that helps!
5 0
3 years ago
Read 2 more answers
Andria is conducting an experiment to determine whether a new medication is effective in reducing swelling. She gets 1,000 volun
Fittoniya [83]

Answer:

The medicine treats swelling

Step-by-step explanation:

"The control group does not receive any medication; the treatment group receives the medication. The patients in the treatment group show reduced signs of swelling. What can Andria conclude from this experiment?"

If she does not give placebo, which she should, then we can only conclude that the medication might be effective. Might, because the thought of the medicine fixing swelling might actually be what helps them.

This takes us to the next topic- placebo experiments.

Most good experiments, to elaborate, are "double blind," one group receives a placebo, and another the medication, and neither know which.

In this case, assuming that the placebo was ineffective, we can conclude that the medicine is effective in treating swelling.

7 0
3 years ago
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