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Mathematics

1 answer:

dimaraw [331]3 years ago

5 0

Answer:

45x^2

Step-by-step explanation:

(45+x)(1+x)

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Which is the best approximation for <img src="https://tex.z-dn.net/?f=%5Csqrt%7B90%7D" id="TexFormula1" title="\sqrt{90}" alt="\

Aleonysh [2.5K]

Answer:

A9.5

Step-by-step explanation:

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4 0

3 years ago

castortr0y [4]

Answer:

Its an Arithmetic progression

Step-by-step explanation:

d1= -18-(-25)= 7

d2= -11-(-18)= 7

d1 = d2

r1 = -18/25=0.72

r2 = -11/-8= 0.611

r1 isnt = r2

4 0

2 years ago

A simplified model of the human blood-type system has four blood types: A, B, AB, and O. There are two antigens, anti-A and anti

dexar [7]

Answer: Blood type will be A when event "A" happened and event "B" did not happen. Blood type will be B when event "A" did not happened and event "B" happened. Blood type will be AB when both events happened and blood type will be O when both events did not happen.

Step-by-step explanation:

S={AntiA reacts; AntiA does not react; AntiB reacts; AntiB does not react}

If AntiA reacts and AntiB reacts = AB (A∩B)

If AntiA does not react and AntiB does not react= O (A'∩B')

If AntiA reacts and AntiB does not react= A (A∩B')

If AntiA does not react and AntiB reacts= B (A'∩B)