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2 years ago

What is the answer now?

Mathematics

1 answer:

wariber [46]2 years ago

7 0

Answer:

Step-by-step explanation:

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One-fourth of a number is 3 more than one-seventh of the same number.<br> What is the number?

uysha [10]

I set it up as an equation. 1/4x = 1/7x + 3. After you solve it out, it’s 28.

4 0

3 years ago

Read 2 more answers

In how many ways can the letters in the word MATHEMATICS be reshuffled so that all consonants appear together?

steposvetlana [31]

Answer:

75600

Step-by-step explanation:

We are given that a word MATHEMATICS

Total letters =11

M repeated 2 times

T repeated 2 times

A repeated 2 times

Total vowels=4

Let MTHMTCS=P

Total number of ways in which MTHMTCS can be arranged= $\frac{7!}{2!2!}$

PAEAI

Total number of ways in which PAEAI can arranged= $\frac{5!}{2!}$

Total number of arrangements when all consonant appear together= $\frac{7!}{2!2!}\times \frac{5!}{2!}$

Total number of arrangements when all consonant appear together= $\frac{7!5!}{2\times 2\times 2}=\frac{7\times 6\times 5\times 4\times 3\times 2\times 1\times 5\times 4\times 3\times 2\times 1}{8}=75600$

By using formula ; $n!=n(n-1)(n-2)...2\times 1$

4 0

3 years ago

A survey of 423 people shows that 321 have never received a traffic violation. Find the sample proportion of those who have rece

OLEGan [10]

24% :)

(please mark me as brainliest) <3

6 0

3 years ago

Find the mean, median, and interquartile for the date set below<br> 17,23,8,5,9,16,22,11,13,15,17,18

Ray Of Light [21]

Step-by-step explanation:

couldn't do interquartile but I hope this helps

7 0

2 years ago

g The data below represent a random sample of 9 scores on a statistics quiz. (The maximum possible score on the quiz is 10.) Ass

FrozenT [24]

Answer:

95% Confidence interval: (5.5,8.5)

Step-by-step explanation:

We are given the following data in the question:

8,10,8,4,5,7,3,10,8

Sample size,n = 9

Population standard deviation = 2.3

Formula:

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$Mean =\displaystyle\frac{63}{9} = 7$

Sample mean = 7

95% Confidence interval:

$\mu \pm z_{critical}\dfrac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

$7 \pm 1.96(\dfrac{2.3}{\sqrt{9}} ) =7 \pm 1.5 = (5.5,8.5)$

is the required confidence interval for population mean.

5 0

3 years ago