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Paraphin [41]
2 years ago
7

Help me quik please!! 20 points

Mathematics
1 answer:
Lelechka [254]2 years ago
7 0
28 m^2
Because 6 times six is 36
Minus 2 times 4 is 8
36-8 is
28
You might be interested in
The frequency table shows the results of tossing a number cube 50 times. Which statement
Paul [167]

Answer:

Option (1) is the correct option.

Step-by-step explanation:

From the given frequency table,

Option (1).

Tossing an even number is more likely than tossing an odd number.

Frequencies of tossing even numbers 2, 4, 6 = 10, 10, 9

Frequencies of tossing odd numbers 1, 3, 5 = 8, 6, 7

Which shows frequencies of tossing even numbers are more.

Therefore, Option (1) is correct.

Option (2)

The number 2 will be the next number tossed.

Since it is unpredictable, therefore, this option is incorrect.

Option (3)

Number 4 is half as likely to be tossed as the number 3.

Frequency of tossing number 3 = 6

Frequency of tossing 4 = 10

Frequency of tossing 3 is not the half of tossing 4.

Therefore, Option (3) is incorrect.

Option (4)

Probability of tossing the number 2 = \frac{\text{Frequency of tossing 2}}{\text{Total frequency}}

                                                           = \frac{10}{8+10+6+10+7+9}

                                                           = \frac{10}{50}

                                                           = \frac{1}{5}

Therefore, option (4) is incorrect.

3 0
3 years ago
Which data set has a relatively low mean and variability when compared with a data set that has a mean of 20 and a MAD of 3.1? A
Luden [163]

Answer:

Mean: 8 and MAD: 1.2

Step-by-step explanation:

Given a data with :

Mean = 20 ; mean absolute deviation (MAD) = 3.1

DATA with a low mean and variability Than The above from the options given :

The most appropriate option is : Mean: 8 and MAD: 1.2 ; because both values of the mean and mean absolute deviation are lesser than the value given.

5 0
3 years ago
Harold wants to borrow $1,400 for 5 years. The interest rate is 9%. How much interest will he pay over the course of the loan?
krek1111 [17]

Answer: He will pay $630 over the course of the loan.

Step-by-step explanation:

Formula for simple interest :

S.I. = PRT, where P=principal amount , R =rate of interest ( in decimal), T=time (in years)

As per given ,

P = $1,400 ,  t = 5 years , r = 9% = 0.09

Simple interest = (1400) x (0.09) x (5)

⇒ Simple interest = $ 630

Hence, he will pay $630 over the course of the loan.

5 0
3 years ago
What fraction is equivalent to 346%
Ivahew [28]
Ok witch Fraction would be Equivalent to 346% 

<span><span><span>346/1,000</span><span> </span></span><span><span>36/100 </span></span><span><span>173/50  </span><span>173/50 </span></span><span>173/<span>5 

Are our choices 
It-can't be 173/50 or 173/5 

i would say 36/100 
</span></span></span><span><span><span>
</span></span></span>
8 0
3 years ago
Read 2 more answers
Sarah is taking a test. The test is designed to produce an overall mean score of 85 with a standard deviation of 5 for all test
Arturiano [62]

Answer:

Option D)

The area below the standardized test score is 0.8413

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 85

Standard Deviation, σ = 5

We are given that the distribution of score is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(score is below 90)

P( x < 90) = P( z < \displaystyle\frac{90 - 85}{5}) = P(z < 1)

Calculation the value from standard normal z table, we have,  

P(x < 90) =0.8413 = 84.13\%

Thus, the correct answer is

Option D)

The area below the standardized test score is 0.8413

4 0
3 years ago
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