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Levart [38]
3 years ago
13

7s+4m+2l=24 5s+3m+6l=30 3s+7m+10l

Mathematics
1 answer:
julsineya [31]3 years ago
6 0

Answer:

486 - 160l

Step-by-step explanation:

m = 90 - 32l

s = -48 + 18l

l = stationary

Combine like-terms, evaluate, then you will arrive at this crazy answer.

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For 3/4 of a pound of peanuts, Jimmy paid $2.35. What is the unit rate (dollars per pound)? *
Tpy6a [65]

Answer:

$3.13/lb

Step-by-step explanation:

Divide 3/4 pound into $2.35:

$2.35

--------- = $3.13/lb

3/4  lb

8 0
2 years ago
Two cars leave a town at the same time heading in opposite directions. One car is traveling 12 mph faster than the other. After
HACTEHA [7]
D = rt.  The first car's rate is r, and the other one, going faster, is r + 12.  The time they travel is 2 hours.  Since one is going faster than the other, he has gotten farther.  But, regardless of that, the distance between them is 232.  So the distance the first one travels, r*t, which 2r, plus the distance the second one travels, 2(r+12) = 232.  2r + 2r + 24 = 232.  Solve for r.  4r = 208 and r = 52.  The slower one goes 52 and the faster one goes 64
8 0
3 years ago
Read 2 more answers
Fill in the blanks below to make a true statement. In a binomial experiment with n trials and probability of success p, if np (1
Sergeu [11.5K]

Answer:

\mu_{x}=np

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Step-by-step explanation:

∵ When x is a random variable having distribution B(n, p), then for sufficiently large value of n, the following random variable has a standard normal distribution,

\frac{x-\mu}{\sigma}\sim N(0,1)

Where,

\mu=np

\sigma^2=np(1-p)

Here the variable X has a binomial distribution,

Such that, np (1 - p) ≥ 10 ⇒ n is sufficiently large.

Where, n is the total numbers of trials, p is success in each trials,

So, the mean of variable X is,

\mu_{X} = np

And, variance of variable X is,

\sigma^2{X}=np(1-p)

3 0
3 years ago
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ss7ja [257]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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Convert 11 years to hours
yan [13]

Answer:

96360

Step-by-step explanation:

search hours a month then multiply that by 12

5 0
3 years ago
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