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Slav-nsk [51]
3 years ago
6

How many solutions 2x+4=2(x+2) 0 1 many

Mathematics
1 answer:
AleksandrR [38]3 years ago
6 0
In order to find the number of solutions, we first must solve the equation. 

2x+4=2x+4
2x=2x
x=x

When x=x, we can use infinetly many solutions. For example if we try the value x=4, we can input it into the equation. 

2(4)+4=2((4)+2)
8+4=2(6)
12=12

Since we got an answer that is true, we can say confidently there are one solutions. This remains true for all real values of x. 
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Rani deposited AED 12000 for 3 years at the rate of 5 percent per annum. Calculate the simple interest and amount at the end of
Luda [366]

Answer:

the principal and the amount is 1,800 and 13,800 respectively

Step-by-step explanation:

The computation of the simple interest and amount for the end of the 3rd year is shown below:

Simple interest is

= Principal × rate of interest × time period

= 12,000 × 5% × 3 years

= 1,800

Now the amount is

= 12,000 + 1,800

= 13,800

hence, the principal and the amount is 1,800 and 13,800 respectively

7 0
2 years ago
How I do 4 boxes that weighed total of 34 kilograms if each box had the same amount
Blizzard [7]
Each box would have exactly 8.5 kilograms each in them. Hope this helps mate =)

4 0
3 years ago
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Help me please thank yiu
Citrus2011 [14]

Answer:

Step-by-step explanation:

I think it is C

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3 years ago
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Matt paid 55$ at a restaurant. the amount included a 10% tip. What was the check amount before the tip?
BigorU [14]
$50.
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4 0
3 years ago
Read 2 more answers
Need help
aleksandr82 [10.1K]

Using the normal distribution, the probabilities are given as follows:

a. 0.4602 = 46.02%.

b. 0.281 = 28.1%.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

Z = \frac{X - \mu}{\sigma}

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.
  • By the Central Limit Theorem, the sampling distribution of sample means of size n has standard deviation s = \frac{\sigma}{\sqrt{n}}.

The parameters are given as follows:

\mu = 959, \sigma = 263, n = 37, s = \frac{263}{\sqrt{37}} = 43.24

Item a:

The probability is <u>one subtracted by the p-value of Z when X = 984</u>, hence:

Z = \frac{X - \mu}{\sigma}

Z = \frac{984 - 959}{263}

Z = 0.1

Z = 0.1 has a p-value of 0.5398.

1 - 0.5398 = 0.4602.

Item b:

Z = \frac{X - \mu}{\sigma}

By the Central Limit Theorem:

Z = \frac{X - \mu}{s}

Z = \frac{984 - 959}{43.24}

Z = 0.58

Z = 0.58 has a p-value of 0.7190.

1 - 0.719 = 0.281.

More can be learned about the normal distribution at brainly.com/question/4079902

#SPJ1

8 0
2 years ago
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