Answer:

Step-by-step explanation:
- Write it out:
×
- 10 × 10 = 100
- 3 × 7 = 21
- Put them together:
I hope this helps!
Answer:
x=6
Step-by-step explanation:
2x+4=16
-4 -4
2x+4-4=16-4
2x=12
/2 /2
2x/2=12/2
x=6
Hello,
dy/dx=4==>dy/y=4dx==>ln(y)=4x+C
==>y=k*e^(4x)
if x=0 y=4==>4=k*e^(4*0)==>k=4
==>y=4*e^(4x)
Answer A (with parenthesis!!!)
Answer:
b = 320
Step-by-step explanation:
a + b = 880
1 - 4/7 = 3/7 (restant A)
1 - 1/4 = 3/4 (restant B)
(3/7) . a = (3/4) . b
a = (7/4) . b
a + b = 880
(7/4) . b + b = 880
7b + 4b = 880 . 4
11 b = 880 . 4
b = 320