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3 years ago

Round 23,556 to the nearest ten thousand

Mathematics

1 answer:

Nitella [24]3 years ago

8 0

Answer:

20,000

Step-by-step explanation:

So, the 2 is the ten thousand and the 3 is in the thousands. 4 or less means to round down so 2<u>3</u>,556 rounds down to a 0 and change the rest to a 0. 20,000. If the number 23,556 had a 5 or more in the thousands, it would have rounded to 30,000 to the nearest ten thousands but it didn't so the answer is 20,000.

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Make a frequency distribution and find the relative frequencies for the following number set. Round the relative frequency to th

Pani-rosa [81]

Solution: We have to find the Frequency and Relative frequency of the given data:

Frequency is the number of times a number occurs.

Relative Frequency is the number of times a number occurs divided by the total number of items.

Therefore, the frequency and relative frequency are calculated as below:

Number Frequency Relative Frequency

20 1 $\frac{1}{31} \times 100 =3.2\%$

21 4 $\frac{4}{31} \times 100 =12.9\%$

22 2 $\frac{2}{31} \times 100 =6.5\%$

23 4 $\frac{4}{31} \times 100 =12.9\%$

24 3 $\frac{3}{31} \times 100 =9.7\%$

25 2 $\frac{2}{31} \times 100 =6.5\%$

26 3 $\frac{3}{31} \times 100 =9.7\%$

27 5 $\frac{5}{31} \times 100 =16.1\%$

28 3 $\frac{3}{31} \times 100 =9.7\%$

29 4 $\frac{4}{31} \times 100 =12.9\%$

Total 31

6 0

3 years ago

Can someone please help

andre [41]

Answer:

x ≥ 1 (how to graph is listed below)

Step-by-step explanation:

To find where we need to plot the line, we first need to solve the inequality for x:

-2x - 3 ≤ -5

(Add three to both sides)

-2x ≤ -2

(Divide both sides by -2, but we can't forget that whenever we multiple or divide by a negative number, the sign flips!)

x ≥ 1

To graph this on the number line, you would put a dot on the 1 and fill it in completely (you fill in the dot for a "___ and equal to" sign. ex. ≥, ≤)

Then you would make an arrow from the dot to the right on the number line (this is because x must be greater than or equal to 1, so it must be facing in that direction)

8 0

3 years ago

A Finance professor created a multiple-choice examination with 100 questions for his students. Each question has five possible

seropon [69]

Answer:

a. 0.011 or 1.1%

b. 31.56% or 0.3156

c. 99.94% or 0.9994

d. 3.42% or 0.0342

Step-by-step explanation:

Given

Number of multiple choice questions = 100

Probability of success for students who have attended lectures and done their homework = 0.85

a. Using binomial distribution

Probability of correctly answering 90 or more questions out of 100

$= \sum^{100}_{x=90}\left {100} \atop {x}} \right C (0.85)^x(0.15)^{100-x}\\=0.011$

Since,

In Binomial Distribution

$P(X=x) =\left {h} \atop {x}} \right.C P^x q^{n-x}$

where $x=0,1,...,n$

and $q=1-P$

Probability is therefore 1.1% or 0.011

b. Probability of correctly answering 77 to 83 questions out of 100

$= \sum^{83}_{x=77}\left {100} \atop {x}} \right C (0.85)^x(0.15)^{100-x}\\=0.3156$

The probability is therefore 31.56% or 0.3156

c. Probability of correctly answering more than 73 questions out of 100

$= \sum^{100}_{x=73}\left {100} \atop {73}} \right C (0.85)^x(0.15)^{100-x}\\=0.9994$

The probability is therefore 99.94% or 0.9994

d. Assuming that the student has answered randomly

Probability of success = 1/5 = 0.2

Probability of failure = 1 - 0.2 = 0.8

Probability of answering 28 or more questions correctly

$= \sum^{100}_{x=28}\left {100} \atop {x}} \right.c (0.2)^x(0.8)^{100-x}\\=0.0342$

The probability is therefore 3.42%

5 0

3 years ago

Solve for x: one over eight (8x + 15) = 24

lyudmila [28]

1: distribute the 1/8 to (8x+15). multiply 8 times 1/8 and 15 times 1/8. 1x+1.875.

2: Subtract 1.875 from both sides. x=22.125. which is equal to 177/8.

Answer: C

5 0

4 years ago

Read 2 more answers

7.The way you prefer to spend time your free time

lisov135 [29]

Answer:

i would be surfing the internet but like using social media and stuff like that. but if thats not what you ment then watching tv to be honest

6 0

3 years ago