(x+10) = (2x-25) - (as the two lines on the triangle symbolises the two equal sides and angles)
Now just substitute it, to get x:
10 = x - 25 - (to bring x to the right hand side, you have to minus it from 2x)
35[degrees]= x - ( to gather the like terms, add 25 to 10, to get your final answer)
———
To prove this is correct, add up all the angles and see if it equals 180 degrees:
(x+10)+(2x-25)+90 = 180
45 + 45 + 90 = 180
180 = 180,
So x does equal 35 degrees.
If in any case you don’t understand my working out, please tell me so I can explain it better!
The answer is B because the equations would be X+Y=9.90 and 3.5X=Y solve using system of equations then plug it in the see if it works 3.5 x 2.20=7.70+2.20=9.90 Hope it helped :)
You can infer from this problem that for every 100 m that
John was able to run, it takes him 9.93 seconds. To get how much time is needed
for 26 – mile marathon, you need to divide 26 miles by 100 meters. But first,
you need to convert 26 miles to meters first.
1 mile = 1,609.34 meters
26 miles = 41,842.84 meters
41,824.84 meters / 100 meters = 418.43 x 9.93 seconds =
4,155 seconds or 69.25 minutes
Answer:
<h2><u><em>
x = -19/7</em></u></h2>
Step-by-step explanation:
-19 : 14 = x : 2
x = 19 * 2 : -14
x = 38 : -14
x = -19/7
Answer:
See the attached for a graph.
Step-by-step explanation:
The edge of the solution space is marked by the line ...
... y = 4 - 2x
This is in slope-intercept form. It has a y-intercept of 4 and a slope of -2. Because the relation symbol is "less than" (with no "or equal to"), the line itself is not part of the solution space. It is graphed as a dashed line for that reason.
The values of y in the solution space are those <em>less than</em> the ones that make up the line, so the shading is of the half-plane <em>below</em> the line.