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REY [17]
3 years ago
9

Factor 4x 2 + 12x + 5 . (2x + 5)(2x + 1)

Mathematics
1 answer:
swat323 years ago
8 0
4x^2 + 12x + 5=4x^2+2x+10x+5 \\  \\ =2x(2x+1)+5(2x+1)=(2x+5)(2x+1) \\  \\ \therefore4x^2+12x+5=(2x+5)(2x+1)
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3 years ago
A distribution of values is normal with a mean of 188 and a standard deviation of 20.8. Find the probability that a randomly sel
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Answer:0.8413

Step-by-step explanation:

Mean= 188, Std Dev. =20.8, Z=(x-mean)/Std Dev

P(X less than 167.2)= P(Z less than (167.2-188)/20.8)

=P(Z less than (-20.8/20.8))

=P(z less than -1)= P(Z less 1)

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3 years ago
While the family went on vacation, Lisa boarded her cat at a kennel that charged $9.25 per day. If
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Answer:C

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6 0
2 years ago
Read 2 more answers
Please help!! The slope of the line passing through the points (-3, 4) and (4, -1) is ___.
oksano4ka [1.4K]
I hope this helps you


slope=m


(-3,4) x'=-3 y'=4

(4,-1) x"=4 y"=-1


slope formula :


m. (x'-x")=y'-y"


m. (-3-4)=4-(-1)


m.-7=4+1


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4 0
3 years ago
What number, besides 8,will give a product of 64 when multiplied times itself
pogonyaev

Answer:

4³

Step-by-step explanation:

  16 x 4

(4 x 4) x 4 = 64

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3 years ago
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