1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
mart [117]
3 years ago
9

Two things:

Mathematics
1 answer:
Eduardwww [97]3 years ago
5 0
Number one is -6 and 10
Number two is -55 and 4
You might be interested in
In a test, John was able to answer 15 correct out of 40 questions. Beth was able to answer 24 questions correctly out of 50. Mic
Helen [10]

Answer:

that is wrong beth has a better score

Step-by-step explanation:

14 out of 40 is 37.5%

and 24 out of 50 is 48%

4 0
2 years ago
Approximately what is the mean of this set of data?
PIT_PIT [208]
It should be d which is 45
8 0
3 years ago
Complete the steps to find the value of x
vampirchik [111]
72, 96, 84, 12

72 + (7x+24) = 180
7x + 96 = 180
7x = 84
x = 12
3 0
3 years ago
When Carson runs the 400 meter dash, his finishing times are normally distributed with a mean of 65 seconds and a standard devia
just olya [345]

Given Information:  

Mean time to finish 400 meter dash  = μ = 65 seconds

Standard deviation to finish 400 meter dash = σ = 2.5 seconds  

Confidence level = 95%

Required Information:  

95% confidence interval = ?

Answer:  

 CI = 60 \: to \: 70 \: seconds

Step-by-step explanation:  

In the normal distribution, the empirical rule states approximately 68% of all the data lie within 1 standard deviation from the mean, approximately 95% of all the data lie within 2 standard deviations from the mean and approximately 99.7% of all the data lie within 3 standard deviations from the mean.

The confidence interval for 95% confidence limit is given by

 CI = \mu \pm 2\sigma

Since approximately 95% of all the data lie within 2 standard deviations from the mean. μ is the mean time Carson takes to finish 400 meter dash and σ is the standard deviation.

 CI = 65 \pm 2(2.5)

 CI = 65 \pm 5

 CI = 65 - 5 \: to \: 65 + 5

CI = 60 \: to \: 70 \: seconds

Therefore, the 95% confidence interval is between 60 to 70 seconds

What does it mean?  

It means that we are 95% confident that the Carson's mean to finish 400 meter dash is within the interval of (60, 70).

4 0
3 years ago
B) Find the values of b.<br> b2 = 256<br> b =
Svetach [21]
B=16,-16................
5 0
3 years ago
Read 2 more answers
Other questions:
  • What are the dimensions of the lightest​ open-top right circular cylindrical can that will hold a volume of 2197 cm cubed​?
    5·1 answer
  • Identify the solutions to the quadratic equation!
    6·1 answer
  • What is 18 + 9 i really need to know cause im not that good at math
    8·2 answers
  • Which set of numbers is in order from least to greatest?
    7·2 answers
  • Math - Use unit conversion factor to convert the units.
    10·1 answer
  • Find the number of paths from A to B. (Each step can only go up or to the right.)
    15·1 answer
  • The temperature at 7 a.m. was -11°C. The temperature increased by 9°C during the
    13·1 answer
  • Which point is on the graph of the equation y = -3x + 4?
    15·1 answer
  • Pls help very confused<br>​
    8·1 answer
  • Need help solving homework
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!