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Svetllana [295]
3 years ago
7

Jordan wrote the numbers from 1 through 150. How many times did he write the digit 4 in the tens place?

Mathematics
1 answer:
olga2289 [7]3 years ago
6 0
40,41,42,43,44,45,46,47,48,49,140,141,142,143,144,145,146,147,148,149

Jordan wrote the number 4 in the tens place 20 times


I hope this helps :)
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Pls help asap!!!
Westkost [7]

Answer:

Step-by-step explanation:

Let x be the random variable. Since it is normally distributed and the population mean and population standard deviation are known, we would apply the formula,

z = (x - µ)/σ

Where

x = sample mean

µ = population mean

σ = standard deviation

From the information given,

µ = 474

σ = 32

x = 514

The probability of being below 514 is expressed as P(x < 514)

For x = 514,

z = (514 - 474)/32 = 1.25

Looking at the normal distribution table, the probability value corresponding to area below the z score is 0.89

Therefore,

P(x < 514) = 0.89

5 0
3 years ago
3b^2-4b+1=0 solve each equation with the quadratic formula
hjlf
First multiply 3 and the 1
Then simplify b^2-4b+3=0
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If it doesn’t go in even like the second term then bring it before the B
Then equal both terms to 0 and solve

7 0
3 years ago
What is the distance between the points (10,6) and (1,4)? If necessary, round
ale4655 [162]

Answer:

The correct answer is A

Step-by-step explanation:

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6 0
1 year ago
Read 2 more answers
10-5x=3(x-4)-2(x+7)-------
VashaNatasha [74]

Answer:

x=6

Step-by-step explanation:

10-5x=3(x-4)-2(x+7)

Distribute

10-5x=3x-12-2x14

Combine like terms

10-5x = x-26

add 5x to each side

10-5x+5x = x+5x-26

10 = 6x-26

Add 26 to each side

10+26 = 6x-26+26

36 = 6x

Divide by 6

36/6 = 6x/6

6 =x

5 0
3 years ago
Read 2 more answers
PLEASEEEEEE HELPPPPPP MEEEEEE
4vir4ik [10]

Answer:

I suggest looking at my attachment. This will help with your question and answers to future assignments in your class.

Step-by-step explanation:

Hope this helps! Please vote me as Brainliest. Let me know if you need more of an explanation. Remember, cheating is never the answer. Try your best before you seek answers. Hope it's not too late. Good luck with whatever you are doing! Have an amazing day!

Read this article:

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