<span>4(r+1.9)-9r=12.2
</span><span>4r + 7.6 -9r = 12.2
-5r = 12.2 - 7.6
-5r = 4.6
r = 4.6/-5
r = - 0.92</span>
Answer c
Step-by-step explanation:
Answer:
x=-3 y=17 (-3;17)
Step-by-step explanation:
-3x+8-y=0
-5x+2-y=0
-2x-6=0
So: x=-3
While....by substituting: y=17
Answer:
(4×9+5) -10+16×6
36 + 5 - 10 + 16 * 6
41 - 10 + 96
41 + 86
127
Step-by-step explanation:
(4×9+5) -10+16×6
36 + 5 - 10 + 16 * 6
41 - 10 + 96
41 + 86
127
use PEMDAS
p = parantheses
e= exponent
m = multiply
d = divide
a = add
s = subtract
Answer:
25000(1-.14)^t
Step-by-step explanation:
it's just a simple decreasing equation it's your start number 1 minus your percentage because we're decreasing and to the power of t which equals time