Answer:
To form the table,
we substitute some value of x to find its value of y
When x = -2,
⇒ y = 1/2(-2) - 3 = -4
When x = - 1
⇒ y = 1/2(-1) - 3 = -3.5
When x = 0.
⇒ y = 1/2(0) - 3 = -3
When x = 1
⇒ y = 1/2(1) - 3 = -2.5
When x = 2
⇒ y = 1/2(2) - 3 = -2
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Answer:The approximate square root is 2.23
Step-by-step explanation:√ 5 = 2.23
Thus: 2.23 x 2.23 = 5
Is there information we are missing to this problem? What I believe we are missing is the amount of money she starts off with and the other three items she finds.
A petri dish is simply a circle; thus, we use the formula of the area of the circle which is <span>πr^2.
Given r = 40 mm
A = </span>π(40)^2 = <span>5026.55 sq. mm
</span>
Population density = bacteria count / area
PD = 2,100 / <span>5026.55
PD = </span><span>0.417782 bacteria / mm sq.
Therefore, the answer is approximately 0.418 </span><span>bacteria per square millimeter.</span>
