Find the difference between temperatures of 17 degrees celcius above zero and 12 degrees celcius below zero
2 answers:
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To solve this, we must set up a Systems of Equations problem
Let's say C stands for Coach seats bought and S stands for sleeper cars bought
Here are our equations we have enough information to make.
c + s = 93
115c + 290s = $20,320
Lets solve for Coach seats first
To do that we need a value for s
In the first equation, s = 93 - c
Lets plug that in for S in the second equation
115c + 290(93 - c) = $20,320
Distribute and simplify
115c + 26,970 - 290c = $20,320
Combine like terms
-175c + 26,970 = $20,320
-175c = -6650
divide
c =
c = 38
We just found out 38 coach seats were bought.
Plug in 38 for C in this equation ⇒ 115c + 290s = $20,320 to find S
115(38) + 290s = $20,320
Distribute and Simplify
4,370 + 290s = $20,320
290s = $15,950
Divide
S =
S = 55
We just completed the problem!
38 Coach seats were bought and
55 Sleeper car seats were bought.
Let's say C stands for Coach seats bought and S stands for sleeper cars bought
Here are our equations we have enough information to make.
c + s = 93
115c + 290s = $20,320
Lets solve for Coach seats first
To do that we need a value for s
In the first equation, s = 93 - c
Lets plug that in for S in the second equation
115c + 290(93 - c) = $20,320
Distribute and simplify
115c + 26,970 - 290c = $20,320
Combine like terms
-175c + 26,970 = $20,320
-175c = -6650
divide
c =
c = 38
We just found out 38 coach seats were bought.
Plug in 38 for C in this equation ⇒ 115c + 290s = $20,320 to find S
115(38) + 290s = $20,320
Distribute and Simplify
4,370 + 290s = $20,320
290s = $15,950
Divide
S =
S = 55
We just completed the problem!
38 Coach seats were bought and
55 Sleeper car seats were bought.
The answer is B. centroid, which is the intersection of three medians of the triangle's sides.
Let's look into other answers as well:
A. Circumcenter
It is the point where three perpendicular bisector meet, and is not correct as we can see there is no indication of right angles.
The first photo is what a circumcenter looks like:
C. Incenter
It is the point where the angle bisectors of the triangles meet, which is not indicated in the photo as well.
The second photo is what a incenter looks like:
D. Orthocenter
It is a point where the altitudes of a triangle intersect, and is not indicated by the figure.
The second photo is what a Orthocenter looks like:
Therefore the answer is B. Centroid.
Hope it helps!
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<h2>Hope this helps!</h2>
If x = the first number (equal to 1x) then the second number is 75% more than this.
This means the value of the bigger number is 100 + 75 (because 100 is the starting number and 75 is the percent bigger)
This can be shown with the following equation:
Amount *
x * = 1.75x
1.75x is the value of the bigger number.
<h2>Hope this helps!</h2>