Answer:
No the question iant a function
There will be 45,600 bacteria present after 19 hours
Answer:
y=14.33
Step-by-step explanation:
- Add 4 to both sides you should get 12y=172
- Now, divide both sides by 12 and you should get y=14.33
Assuming the time changes at a constant rate, the equation for this is linear (so has the equation y=mx +c)
8am = -2
9am = -0.5
10am = 1.0
11am = 2.5
12pm = 4
<span>m = change in each value </span>or the slope , <span>for this it is m=1.5
</span>c = the y intercept, we find this by: when x=8 y must = 1.5 , which it isn't , y has to = -2 . So c = -3.5
The equation then is: <span>y= 1.5*x - 3.5
</span>
The gradient/slope/m value is 1.5. <span>The answer is 1.5</span>
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P - potassium
S - sodium
L - lithium
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A - aluminium
Z - zinc
I - iron
L - lead
H - hydrogen
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S - silver
G - gold
<span>P - platinum</span>