(5x^3 + 3x^2 + 5x) + (7x^3 -3x^2 +8x) = (12x^3 + 13x)
(3x^3 + 5x^2 + 4x) + (9x^3 - 5x^2 + 9x) = (12x^3 + 13x)
Answer:
x = 20
Step-by-step explanation:
These two angles are equal:
5x + 7 = 6x - 13
Subtract 5x from both sides.
7 = x - 13
Add 13 to both sides.
20 = x
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A) 13
b) 16
c) 2
d) 13
e) 11
Option 1 is the correct answer
So we know that the club sent out 4 times as many coupons to potential members as existing. This means we have a ratio of 4:1
To find out the totals we must add both sides of the ratio to get the total parts of the ratio. 4=1 = 5
Then we divide the total coupons by the total parts 165/5 = 33
We now know that each part of the ratio is worth 33 coupons. Then we multiply each side of the ratio by 33 to get the totals:
4 * 33 = 132 1*33 = 33
Since we know the existing members were the 1 side of the ratio the answer is C. 33