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sergey [27]
3 years ago
7

Find the value of x.

Mathematics
1 answer:
Pepsi [2]3 years ago
5 0
I would the answer to x is 12
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A number tripled and 6 is 24
boyakko [2]

Answer:

The number is 6

Step-by-step explanation:

Given:

A number tripled and 6 is 24

To Find:

The Number = ?

Solution:

Let the number be x

The question states that the number is tripled. so lets multiply the number by 3, We get

3x

Then

3x + 6 = 24

On solving the equation we get

3x = 24 -6

3x = 18

x = \frac{18}{3}

x = 6

7 0
3 years ago
It is claimed that an automobile is driven on the average more than 20,000 kilometers per year. To this claim, a random sample o
Aleonysh [2.5K]

Answer:

Kindly check explanation

Step-by-step explanation:

Given the following :

Sample mean(x) = 23500

Sample standard deviation (sd) = 3900

Sample size (n) = 20

Population mean (m) = 20,000

Null hypothesis : m = 20000

H1: m > 20000

To obtain the z-score :

(population mean - sample mean) / (sample standard deviation /√sample size)

(x - m) / (sd/√n)

(23500 - 20000) / (3900 / √20)

3500 / (3900 /4.4721359)

3500 / 872.06651

= 4.0134

Get the P value to know if to reject or accept the null:

P(z > 4.0134) = 1 - P(z < 4.0134)

P(z < 4.0134) = 1

1 - P(z < 4.0134) = 1 - 1 =0

Since P value is < alpha, we reject the null.

Hence average is > 20000

3 0
3 years ago
Select the locations on the number line to plot the points 4 1/ 3 and −1 1/3 .
Olin [163]
We have that
<span>4 1/ 3
−1 1/3 </span>
the answer in the attached figure

3 0
3 years ago
Read 2 more answers
X to the power of 2=100
fredd [130]

Answer:

Step-by-step explanation:

2 to the 100 power = 1.2676506002 × 10 to the 30 power.

6 0
2 years ago
a meteorologist says that the probability of snow today is 45% what is the probability that will not snow​
WINSTONCH [101]

Answer:

55%

Step-by-step explanation:

probability of something happening = p

probability of that thing not happening = 1 - P

45%= 45/100= 0.45

therefore, the probability of snow today = 0.45

therefore,

probability there will be no snow=1 - 0.45 = 0.55

probability there will be no snow= 0.55

convert 0.55 back to percentage= 0.55×100= 55%

probability there will be no snow= 55%

5 0
2 years ago
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