Hi! The trouble here is converting the minutes and seconds of the angles. Complimentary angles total 90 degrees. There are 60 minutes in one degree, so you actually have 89 degrees and 60 minutes. There are 60 seconds in a minute, so now you have 89 degrees, 59 minutes, and 60 seconds. Now you can...

Good morning! Considering the s and p orbitals, the number of valence electrons will increase as you move towards the noble gasses on the right side. The transitional metals can be multivalent (different numbers of valence electrons) and do not always follow this rule as that orbital is actually...

Good evening! You first need to find the midpoint of one of the segments. I would suggest segment BC since there is no change in the y-coordinate to deal with. The midpoint is equally distant from both points, so you would take the average of the two points. Again, without any change in the y, you...

Good morning Amanda. Some instructors will drop the lowest score in calculating a final grade. This is an example of a similar situation.
Let us look at the starting point: If 5 exams were taken and the average was 73, you can calculate the total number of points: 5*73=365. Bully...

Good afternoon. Basically this question is asking if 6% of the farmland is 28,000,000 acres, what is the total farmland area.
The equation would be something like this: 0.06(x)=28,000,000 where x is the total number of acres of farmland.
If you divide both sides of...

Good evening. Think through the question to answer it: a bus leaves every 20 minutes (17+3). You are not interested in waiting 0:01-10:00. Technically if you arrived at the moment the bus left (0:00), you would need to wait for the next bus. A person waiting 10:01-20:00 is what you are looking...

Hi! This is more of a logic and thought problem than a statistical one. Assuming the customer picked a pen of different colors each time (black, blue, red, green), that would be 4 draws. The fifth draw the customer would draw a second pen of one of the colors, so your answer would be 5. Now, the...

Good afternoon. The brackets indicated a nested parenthetical system. Using PEMDAS (parentheses, exponents, multiplication, division, addition, subtraction) form of order of operations, brackets "[]" would be a subset of parentheses.
[125-0.50(100)]/[100-0.50(100)]-1
You...

Good evening. The first statement can be written mathematically this way: y=4x-6
The second part can be written as x+y=14
If you substitute the first for the second (the 4x-4 for the y in the second equation), you get
x + (4x-6) = 14 and you can simplify
5x...

Good evening. SO4 is the most common form of the sulfur/oxygen polyatomic anions, so it is referred to as sulfate. The cation is called by its regular name, so this molecule is Barium sulfate.
I hope this helps
Mike

Good evening. There are several ways to solve problems like this. This is how I would approach it:
Let x equal the total number of employees
3 out of 16 and 5 out of 8 (or 10 out of 16) have an opinion. 13/16 employees have an opinion, 3/16 do not have any opinion.
Therefore:...

You are correct in that ligaments hold bone to bone in a joint, but they also are the connective tissue that holds organs in place. Dictionaries define ligaments as tough, flexible, fibrous tissues that connect bones at a joint or hold organs in place.
Hope this helps
...

Good evening! This is commonly referred to as a "dirt" problem. D=rt (distance =rate times time). Since the time is the same, rearranging the equation we get t=D/r, so the distance upstream divided by the rate is equal to the distance downstream divided by the rate. The rate downstream...

Good evening! Yes, the answer is "a". The mass shown on the periodic table is the average of all isotopes of an element (taking into account the relative abundances of each isotope.
Yes, the answer is "d". If you look at columns, those "families" all...

The root hairs are extensions of the cells of the epidermis of the root. The primary function is to increase the overall surface area of the cells. They are the mechanism by which plants are able to absorb water and dissolved minerals.
Hope this helps
Mike

Good afternoon. You simply plug in the values into the equation and test the inequality.
5(-1) +4(-3) = -17?
-5 + -12 =-17
-17=-17
correct
2(-1) - (-3) = 1
-2 - -3 =1
-2+3=1
1=1
correct
So...

Force is mass times acceleration. F=ma. The force is the same (presuming no energy is lost converting from the hammer to the stake, which is not precisely true, but usually too small to significantly affect the result). Therefore mass of hammer times acceleration is equal to mass of stake times...

Hi! The formal definition of a valid scientific hypothesis is an educated explanation of a phenomenon based on prior information, previous knowledge, or other such support. Not to argue with Lewis, but the correct answer (at least from the position of life sciences) is all of the above.
Hypotheses...

Hi! Since the coefficient of the x^2 is 1 (1x^2), you have a quick method to do this.
First identify the factors of 20 in pairs (20*1, 10*2, 5*4)
Now which pair when added or subtracted from each other gives you 8?
20+1=21, 20-1=19, 10+2=12, 10-2=8, 5+4=9, 5-4=1
You...

Hi! One way to answer this questions is to look at it this way:
2 3/4 mile = 2/5 hour
First I would convert 2 3/4 mile into an improper fraction
2 3/4 = 11/4 (4*2 +3)
If you want 1 hour, you would need to multiply the hour side of...