Answer:
41
Step-by-step explanation:
These angles are vertical angles, and vertical angles are equal
2x+1 = 7x-99
Subtract 2x from each side
2x+1-2x = 7x-2x-99
1 = 5x-99
Add 99 to each side
1+99 = 5x-99+99
100 = 5x
Divide each side by
100/5 = 5x/5
20 =x
The 2x+1 angle equals
2(20)+1
40+1
41
The answer is 24. think of x as the original amount, and y as the new
amount. y times 1.5 is x, and y+12 is x. reverse that to figure out y,
which is what we need, and you have x/1.5 = y as well as x-12 = y. Use
the equal values method and make an equation x/1.5=x-12. solve this
equation to get x, which is 36. to figure out the new amount, y, you
need to subtract 12, which would help you get 24 as your final answer.
Answer:
28° at top and 1° at bottom
Step-by-step explanation:
If you look at it u can see that it's even so you would know it would be the same answer on each side.
Answer:
40
Step-by-step explanation:
y = 50 + .4 x 40
y = 30 + .9 x 40
y = 66 for both equations
Let x represent the number of half-gallons purchased by the store. Then x-13 is the number sold, and 2.80x is the store's cost. The revenue is 4.06(x-13) and the difference between that and cost is the profit.
... 4.06(x -13) -2.80x = 63.14
... 1.26x - 52.78 = 63.14 . . . . eliminate parentheses, collect terms
... 1.26x = 115.92 . . . . . . . . . . add 52.78
... x = 115.92/1.26 = 92 . . . . . divide by the coefficient of x
The store purchased 92 half-gallons of milk.
