D=number of dogs
c=cats
d equals 4 less than 2 times c
d=-4+2c
20 dogs
d=20
subsitute
20=-4+2c
add 4
24=2c
divide 2
12=c
12 cats
Answer:
Step-by-step explanation:
In the screenshot
Answer:
they are acute
and are also equivalent
that's the relation in the 2 angles
Answer:
It would stay the same.
Step-by-step explanation:
You only switch it if you are dividing by a negative.
Answer:
An equation that could be used:
190 + 0.07x = 407 + 0.035x
190 + 0.035× = 407
0.035x = 217
Answer:
x = 6,200
Check:
190 + 0.07(6,200) = 407 + 0.35(6,200)
624 = 624