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blagie [28]
3 years ago
14

Help please i’ll give extra points

Mathematics
2 answers:
Firdavs [7]3 years ago
7 0

Answer:

I think it's figure b

Step-by-step explanation:

ioda3 years ago
5 0

Answer:

Figure B

Step-by-step explanation:

The rest of the shapes are either reflected or rotated but, Figure B maintains the same direction that its facing as Figure 1.

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Hello plz solve this question whoever solves best gets brainlest and points any links will be reported thank you
Drupady [299]

Answer:

D is correct

Step-by-step explanation:

4 0
2 years ago
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Solve the riddle i am 6 more than 2 times 9 what number am i now make up your own riddle for the number 68
Lesechka [4]

The riddle answer is 24.

A riddle for the number 68 is: 12 more than 14 times 4


5 0
3 years ago
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An amount of $290000 is borrowed for a period of 25 years at an interest rate of 4%
Serhud [2]

Answer:

nice

Step-by-step explanation:

7 0
2 years ago
Many people use scanners to read documents and store them into pdf file. To help determine which brand of scanner to buy, a stud
konstantin123 [22]

The data is missing in the question. The data is provided below :

Document : 1     2      3      4      5     6      7      8

Brand A       17  29    18    14    21   25    22    29

Brand B       21  38    15    19    22   30    31   37

Solution :

State of the hypothesis of the null hypothesis and alternate hypothesis.

Null hypothesis : $h_A = h_B$

Alternate hypothesis : $h_A > h_B$

These hypothesis is a one tailed test. The null hypothesis will get rejected when the mean difference between the sample means is very small.

Significance level = 0.05

Therefore the standard error is :  $SE = \sqrt{(\frac{s^2_1}{n_1})+(\frac{s^2_2}{n_2})}$

                                                         = 3.602

And the degree of freedom, DF = 14

$t=\frac{(x_1-x_2)-d}{SE}$

 = -1.319

Here, $s_1$ = standard deviation of the sample 1

        $s_2$ = standard deviation of the sample 2

         $n_1$ = size of the sample 1

        $n_2$ = size of the sample 2

         $x_1$ = mean of the sample 1

        $x_2$ = mean of the sample 2      

          d = the hypothesis difference between the population mean

The observed difference in a sample means t static of -1.32. From t distribution calculator to determine P($t \leq -1.32$) = 0.1042  

Since the P value of 0.1042 is greater than significance level o 0.05, we therefore cannot reject the null hypothesis.

But from the test, we have no sufficient evidence that supports that Brand A is better than Brand B.      

8 0
3 years ago
Estimate first. Then give the exact product 3x2.5=?​
julsineya [31]

Answer:

7.5

Step-by-step explanation:

multiply like normal math . then add the decimal point after 1 number

3 0
3 years ago
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