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soldi70 [24.7K]
3 years ago
11

ECCOTHES

Mathematics
1 answer:
faltersainse [42]3 years ago
5 0

Answer:

sorry ,but l don't know what is it?!

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two students club plan to share a bus on a trip to the capital transportation at lunch for day cost $12 per student one club has
ozzi

Answer:

$516

Step-by-step explanation:

first you multiply 12 and 25 and you get 300

then you multiply 12 and 18 and you get 216

Then finally you add 216 and 300 together to get $516

7 0
3 years ago
The sum of two numbers is10 . The difference is2 .
erma4kov [3.2K]

Answer:

  • 6 and 4

Step-by-step explanation:

Let the numbers are x and y.

<u>Then the equations are:</u>

  • x + y = 10 (blue line)
  • x - y = 2 (red line)

<u>The graph are attached with the intersection marked: </u>

  • (6, 4)

3 0
3 years ago
Test the claim below about the mean of the differences for a population of paired data at the level of significance α Assume the
Evgen [1.6K]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The  correct option is F

t =  1.17

t_ {\alpha , df} =t_ {0.10 , 8} = 1.86

Since the test statistics<u> is outside </u>the rejection region , <u>we fail to reject </u>the null hypothesis ,There<u> is no</u>  statistically significant evidence to reject the claim

Step-by-step explanation:

From the question we are told that

    The  claim is  \mu =  0

Hence  

      The  null hypothesis is  H_o  :  \mu = 0

       The  alternative is  H_a  :  \mu  \ne  0

Generally the test statistics is mathematically represented as  

                 t =  \frac{\= d - \mu_d }{ \frac{s_d}{ \sqrt{n} } }

=>              t =  \frac{3.5 -0 }{ \frac{8.94}{ \sqrt{9} } }

=>              t =  1.17

Generally the degree of freedom is mathematically represented as

      df  =  n- 1

      df  =  9 -  1

      df  =  8

From the student t-distribution table  the critical value of  \alpha at a degree of freedom of  8 is  

          t_ {\alpha , df} =t_ {0.10 , 8} = 1.86

Since the t_ {\alpha , df} is  outside the rejection region , we fail to reject the null hypothesis ,There is no sufficient evidence to reject the claim

4 0
4 years ago
The figure below shows a line graph and two shaded triangles that are similar: A line is shown on a coordinate grid. The x-axis
german

Answer:

D -  The slope from point O to point A is three times the slope of the line from point A to point B.

6 0
3 years ago
During a sale, Cindy found boxes of dog biscuits on sale for $0.69 that had previously cost $2.23. What percentage is the discou
N76 [4]

Answer:

The dog biscuits are approximately 69% off.

Step-by-step explanation:

(1 - 0.69/2.23) * 100

(223/223 - 69/223) * 100

154/223 * 100 = 69%

7 0
3 years ago
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