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boyakko [2]
4 years ago
8

I posted it nobody answer to it so *Help me*

Mathematics
2 answers:
Zina [86]4 years ago
7 0
I think it maybe 26
Elina [12.6K]4 years ago
6 0

Answer:

i think its 2

Step-by-step explanation:

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Which best describes the accuracy of Jill’s solution? Jill’s solution is accurate. Jill omitted a factor pair, which affected th
mojhsa [17]

Answer:

Jill made an error when writing the factored expression.

3 0
3 years ago
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The cashier service time at the local branch of the Rivertown bank has an exponential distribution with a mean of 2.5 minutes. W
aleksandrvk [35]

Answer: d. .2474.

Step-by-step explanation:

Given : The cashier service time at the local branch of the Rivertown bank has an exponential distribution with a mean of 2.5 minutes.

The cumulative distribution function for exponential distribution is :-

P(X\leq x)= 1-e^{-\frac{x}{\lambda}}  

, where \lambda = Mean of the distribution.

The probability that the service time is between 2 and 4 minutes will be :

P(2\leq X \leq 4)=P(X\leq4)-P(X\leq 2)\\\\= (1-e^{\frac{-4}{2.5}})-(1-e^{\frac{-2}{2.5}})\\\\=e^{\frac{-2}{2.5}}-e^{\frac{-4}{2.5}}\\\\=0.449328964117-0.201896517995\\\\=0.247432446123\approx0.2474

Hence, the correct option is d. .2474.

4 0
3 years ago
Someone please help and explain will mark brainliest!!
kari74 [83]

Answer:

(a) x=5

(b) x= -1 1/3

(c) x= 1

Step-by-step explanation:

(a)                       (b)                        (c)

2(x-3)=4           −3(2x+1)=5          a(bx+c)=d

x−3=4/2           2x+1= −  5/3          d^1−1

x−3=2               2x= -5/3-3/3        d^0

x=2+3                 2x= -5-3/3           x=1

x=5                    2x= -8/3*2

                          x= -8/6

                          x= -4/3

                         

8 0
3 years ago
Credit cards place a three digit security code on the back of the cards. What is the probablity that a code starts with the # 7
lord [1]
We need more information
4 0
3 years ago
How to make 20/12 into a whole number and a fraction?
Ludmilka [50]

Hey there,

The whole number(or mixed fraction) would be: 1 2/3

The improper fraction would be: 5/3

:)

6 0
4 years ago
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