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vivado [14]
4 years ago
6

What is the answer to 14<-8+z what is Z?

Mathematics
1 answer:
Tju [1.3M]4 years ago
7 0

Answer:

22 < z

Step-by-step explanation:

14<-8+z

Add 8 to each side

14+8<-8+8+z

22 < z

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german

Answer: the answer is c

Step-by-step explanation: the first line is the min and the next is q1 and then the medium and q3 max

8 0
3 years ago
2 Polhts
Arada [10]
<h3>Answers: B and C</h3><h3>Acceleration and velocity</h3>

=================================

Explanation:

Distance is a scalar. It's simply a single number. It does not include a direction. We can rule out choice A. If you wanted direction connected to distance, then it would form a displacement vector.

Acceleration is a vector because velocity is a vector, and vice versa. The two are tied together. The acceleration is the change in velocity. You can think of it as acceleration = velocity/time.

Speed is not a vector. It's a single value just like distance is. If you want to have speed tied to a direction, then you would form a velocity vector.

5 0
3 years ago
Statistics professors believe the average number of headaches per semester for all students is more than 18. From a random sampl
kompoz [17]

Complete Question

Statistics professors believe the average number of headaches per semester for all students is more than 18. From a random sample of 15 students, the professors find the mean number of headaches is 19 and the standard deviation is 1.7. Assume the population distribution of number of headaches is normal.the correct conclusion at \alpha =0.001 is?

Answer:

There is no sufficient evidence to support the professor believe

Step-by-step explanation:

From the question we are told that

     The population mean is  \mu =  18

     The sample size is  n  =  15

      The sample mean is  \=  x  =  19

      The standard deviation is  \sigma =  1.7

      The level of significance is  \alpha  =  0.001

The null hypothesis is  H_o:  \mu = 18

The  alternative hypothesis is  H_a :  \mu > 18

 The critical value of the level of significance from the normal distribution table is    

         Z_{\alpha } =  3.290527

The test hypothesis is mathematically represented as

           t =  \frac{\= x  -  \mu }{ \frac{\sigma}{ \sqrt{n} } }

substituting values  

         t =  \frac{ 19  - 18}{ \frac{1.7}{ \sqrt{15} } }

         t =  2.28

Looking at the value of  t and  Z_{\alpha } we can see that t <  Z_{\alpha } so we fail to reject the null hypothesis.

This mean that there is no sufficient evidence to support the professor believe

     

       

3 0
4 years ago
The Lakeside Marina charges a $35 rental fee for a boat in addition to charging $15 per hour. Write the equation that represents
mina [271]

Answer:

y=35+15x

if it has been rented for 3 hours,

y=35+15(3)

y=35+45

y=80

Step-by-step explanation:

5 0
3 years ago
The length of a rectangle is 30 inches and the
SOVA2 [1]

Answer:

34.99in

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
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