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Katen [24]
3 years ago
8

HELP ME

Mathematics
1 answer:
navik [9.2K]3 years ago
7 0
$97.20 divided by $9.25 is 10 hours
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Simplify the expression: 2x( 4x + 5)<br> A 622 + 72<br> B 82 + 5<br> C 812 + 103<br> D O81 +10
nexus9112 [7]

Answer:

=8x2+10x

Step-by-step explanation:

2x(4x+5)

=(2x)(4x+5)

=(2x)(4x)+(2x)(5)

3 0
3 years ago
I'll mark brainiest if right answer
igomit [66]

Answer: x=2  y=18

Step-by-step explanation

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Whats the common denominator of 3/8 and 2/5?
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40 is the answer
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What is the radius of this circle if the circumference is 18 pie cm?
levacccp [35]

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Step-by-step explanation:

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3 years ago
Insurance companies A and B each earn an annual profit that is normally distributed with the same positive mean. The standard de
krok68 [10]

Answer:

C. 0.98

Step-by-step explanation:

Let x be the mean of Company A and B annual profit and x/2 and y are standard deviation of Company A and B annual profit.

P(B<0) = 0.9*P(A<0)

P(Z<(0-x)/y) = 0.9*P(Z<(0-x)/(x/2))

P(Z<-x/y) = 0.9*P(Z<-2)

P(Z<-x/y) = 0.0205

x/y =2.04

Or y/x = 1 /2.05

y/x =0.49

Ratio of the standard deviation of company B annual profit to the standard deviation of company A annual profit =y/(x/2)

= 2*(y/x)

= 2*0.49

= 0.98

7 0
3 years ago
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