55
To start to solve this problem we start by observing what information there is. We need y, to find y we have to know x. We need x to find y because all the angles in a triangle add up to 180. If we find x we can subtract the angles we know and get y. To find x we look and see that it is on a straight line, and on the other side of the line is 100. We know that a straight line is 180 degrees so we subtract 100 from 180 to get x. We now know x is 80, so now we minus 89 and 45 from 180. We get 55. This means that y is 55.
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The answer is D , it makes the most sense
Answer
55 for the top left and 35 for the top right
Explanation
7*7+6=49+6=55
And it is 7x+6
Top right
6x-7
6*7-7=42-7=35
Answer:
A. he sold the the car for 1350000
B. his cost price is 1500000
Step-by-step explanation:
A. 150000---> 10%
x-----> 90%
cross multiplication: x=150000×90/10=1350000
B. 10%( price) +90%(price)
1350000+150000=1500000
Answer:
y=3x +25
Step-by-step explanation:
First calculate the slope:
m = (y1 - y2)/(x1-x2)
m = (49 - 13)/(8-(-4))
m= 36/12 = 3
so we have
y = 3x + b
subtitute a point:
49=3(8) + b
b=25
the equation is y=3x +25
