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
inysia [295]
3 years ago
11

Given that z20 = –2 and z50= – 1, which of the following do you know?

Mathematics
2 answers:
NISA [10]3 years ago
7 0

Answer:

it is 2;3;5;6

Step-by-step explanation:

Given that z20 = –2 and z 50= –1, which of the following do you know?

The variance is 10.

The standard deviation is 30.

The mean is 80.

The median is 40.

The data point x = 20 is 2 standard deviations from the mean.

The data point x = 50 is 1 standard deviation from the mean.

The data point x = 45 has a z-value of 1.5.

answer2356 on edge

Klio2033 [76]3 years ago
6 0
Answers: #2, 3, 5, 6 are correct



... believe me, I juss did them.
You might be interested in
(5,2), (-2,5),(2,5),(-5,2)
Alecsey [184]

Answer:

the second row is not a function! top row is a function

Step-by-step explanation:

because in order for it to be a function for every x there is exactly one y meaning there is no repeating x values! the second row had x = 5 twice, therefore they repeated x values meaning it's not a function

6 0
3 years ago
A scientist begins an experiment with a culture of 5 bacteria cells. Every hour, the number of bacteria cells triples. Which equ
Ann [662]

Answer:

y= 3(5)x

Step-by-step explanation:

5 0
2 years ago
will mark BRAINLIEST if you give a correct answer. Please don't forget about the proportion. Thank you!
olasank [31]
The second proportion is correct and it will be 6 hours.

5 0
3 years ago
Read 2 more answers
A football team loses 3 yards in 3 consecutive plays. What’s the total yardage gained?
Anni [7]
-3×3=-9 so gain is 0
4 0
3 years ago
Find the missing side of each right triangle. Side c is the hypotenuse. Sides a and b are the legs. Leave your answers in simple
vredina [299]

Answer:

Side b = 10.2 m (1 d.p.)

Step-by-step explanation:

11² = 121

15² = 225

225 - 121 = 104

√104 = 10.2 (1 d.p.)  

Side b = 10.2m

(Full answer = 10.198039)

11² + 10.2² = 15²

7 0
3 years ago
Other questions:
  • If 1200 cm2 of material is available to make a box with a square base and an open top, find the largest possible volume of the b
    8·1 answer
  • The surface area of a sphere is decreasing at the constant rate of 3π sq. cm/sec . At what rate is the volume of the sphere decr
    11·1 answer
  • And express delivery company charges by the The pound a package that weighs 5 pounds cost $24.50 overnight Ryan job equation to
    14·1 answer
  • Sara is 11 years old today. Represent a, sara's age in years
    15·1 answer
  • A sector of a circle has an arc length of 8 pi inches and a central angle of 20 degrees, as shown. What is the circumference of
    7·1 answer
  • Please help me fast and show all your work please thx ​
    9·2 answers
  • I need help with this please help????
    14·1 answer
  • List the laws of solid friction​
    7·2 answers
  • Please help me, i will mark the brainliest pls!
    15·1 answer
  • A box has 3 one-dollar bills, 2 five-dollar bills, 2 ten-dollar bills, and 1 twenty-dollar bill. A student selects one bill from
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!