Answer:
c.45 degrees
Step-by-step explanation:
90 -180= 90
90÷2=45
Answer:
3/8
Step-by-step explanation:
The equation is given as:

We can simply the equation by getting rid of the denominators which is 4a and 3. Therefore we can multiply both sides with 3*4*a:

On the left hand side 4a cancels with 4a and on the right hand side 3 cancels with 3. We are left with:

∴ After simplying

Answer:
4 Minutes = 240 seconds = 6*40 seconds
30*(1/2)^6 = 30*1/64 = 30/64 = 15/32 = 0.5
4 minutes later there is approx. 0 to 1 bacteria alive.
Step-by-step explanation:
2A + B = 17
3A - B = 18
5A = 35, A = 7, B = 3
Hence the numbers are 7 and 3.
Answer:
21 batteries 49 pens
Step-by-step explanation: