We need some sort of diagram to see what they are. Is there any way to say that ac = db? Either equal angles or equal lines.
x + 3 = 3x - 19 Add 19
x + 3 + 19 = 3x Subtract x
21 = 2x
x = 21 / 2
x = 10.5
ac = 10.5 + 3
x = 13.5
<h3>
Answer:</h3>
18.8 feet
<h3>Step-by-step explanation:</h3>
We are given;
Radius of the fountain is 9.4 feet
We are required to determine the diameter of the fountains
We need to know that the diameter of a circle is twice the radius of the circle.
That is;
Diameter = 2r
Therefore;
Diameter of the fountain = 2 × 9.4 feet
= 18.8 feet
Thus, the diameter of the fountain is 18.8 ft
First we will find the 11th term
an = a1 + (n-1) * d
a11 = 12 + (11 - 1) * 5
a11 = 12 + 10 * 5
a11 = 12 + 50
a11 = 62
now we use the sum formula...
Sn = (n (a1 + an)) / 2
S11 = (11 (12 + 62)) / 2
S11 = (11 (74)) / 2
S11 = 814/2
S11 = 407
Y = -5x + 1
x = 1 , y = -4
x = 2 , y = -9
x = 3 , y = -14
so the answers are
(1,-4)
(2,-9)
(3,-14)
Answer: A
Step-by-step explanation: Hope this help :D
