(1,-5)(3,-17)
slope = (-17 - (-5) / (3 - 1) = - 12/2 = - 6
y = mx + b
slope(m) = -6
use either of ur points...(1,-5)...x = 1 and y = -5
now we sub and find b, the y int
-5 = -6(1) + b
-5 = -6 + b
-5 + 6 = b
1 = b
so ur equation is : y = -6x + 1....or 6x + y = 1
Hope this helps!
Answer: the cost of one package of macadamia nut chip cookie dough is $1.5
the cost of one package of triple chocolate cookie dough is $2.5
Step-by-step explanation:
Let x represent the cost of one package of macadamia nut chip cookie dough.
Let y represent the cost of one package of triple chocolate cookie dough.
Mrs. Julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $112.50. This means that
25x + 30y = 112.5 - - - - - - - - - - - - -1
Mrs. Castillejo’s class sold 8 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $124.50. This means that
8x + 45y = 124.5 - - - - - - - - - - -2
Multiplying equation 1 by 8 and equation 2 by 25, it becomes
200x + 240y = 900
200x + 1125 = 3112.5
Subtracting, it becomes
- 885y = - 2212.5
y = - 2212.5/- 885
y = 2.5
Substituting y = 2.5 into equation 1, it becomes
25x + 30 × 2.5 = 112.5
25x + 75 = 112.5
25x = 112.5 - 75 = 37.5
x = 37.5/25 = 1.5
The method used is the elimination method. It is more convenient to use.
You can use the simple interest formula

We need P, which is the primary (or principal) investment, and we know that:
rate = 3% (0.03)
time = 7
i = $25000
So, just plug in and solve:


The company needs to invest $5250 today, to make $25000 in 7 years.
Answer:
0.7
Step-by-step explanation:
<u>Take the scale factor as Z.</u>
9 x Z = 6.3
14 x Z = 9.8
7 x Z = 4.9
<u>Find Z</u>
6.3/9 = 0.7
9.8/14 = 0.7
4.9/7 = 0.7
Z = 0.7
So hmmm notice the picture below
recall the "inscribed angle" theorem, an angle inscribed is half the intercepted arc
now, the line BA goes through the center, and to each end, thus is a diameter, the point of tangency, where a tangent hits the diameter or radius of a circle, is always a right-angle