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
Leya [2.2K]
3 years ago
5

PLEASE ANSWER

Mathematics
1 answer:
Flauer [41]3 years ago
5 0

Answer:

c and d are correct

Step-by-step explanation:

You might be interested in
At a local health club, a researcher samples 75 people whose primary exercise is cardiovascular and 75 people whose primary exer
ivolga24 [154]

Answer:

A

Step-by-step explanation:

Basically, this is an observational study because the researcher does not apply any treatment.

It's not an experiment because there is no experimentation involved. :)

It's not double-blind because in that case the researcher would have to apply something to two kinds of groups. one aware one the other not. not the case.

It's not D because  The observations are comparing two kinds of subjects and they are not looking for a cause and effect.

8 0
3 years ago
Read 2 more answers
When finding the length of the hypotenuse of a right triangle why might you approximate the answer?​
sammy [17]

Answer:

Because the hypotenuse might not be a perfect square

Step-by-step explanation:

8 0
3 years ago
The following data represent the muzzle velocity​ (in feet per​ second) of rounds fired from a​ 155-mm gun. For each​ round, two
Cloud [144]

Answer:

Step-by-step explanation:

A. Two measurements(AandB)are taken on the same round.\oIs there a difference in the measurement of the muzzle velocity between device A and device B at the α=0.01 level of significance? Note: A normal probability plot and boxplot of the data indicate that the differences are approximately normally distributed with no outliers.

B. Construct a 99% confidence interval about the population mean difference. Compute the difference as device A minus device B. Interpret your results. The confidence interval is (__,__)?

Answer:

Open chart in StatCrunch --- Stat --- T Stats --- Paired --- Enter values: Sample 1 = A, Sample 2 = B --- Click on Confidence Interval… and enter Level which is my #%. --- Compute

7 0
3 years ago
The length of a photograph of Mr. Lemley playing golf is 1475 inches. If the area
Mice21 [21]

Answer:

1.12 × 10^-3

Step-by-step explanation:

The computation of the width of the photograph is as follows:

As we know that

Area of the rectangle = length × width

33 ÷ 20 square inches = 1475 inches × width

So, the width is

= Length ÷ area

=  1475 inches ÷ (33 ÷ 20 square inches)

= 1.12 × 10^-3

8 0
3 years ago
HELP MEEEEEEEEEEEEEEEEEEEEEEEEEEE
Marizza181 [45]

Answer:

A. 3 batches

B. 180 cookies

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • Which number can you add to get a sum of 0<br><br> A . -10<br> B. -5<br> C. 0<br> D. 5
    6·1 answer
  • 3. Jessica is awake 2/3 of the day. She spends 5/8 of this time at home
    14·1 answer
  • 9u²v and which term are like terms?
    13·2 answers
  • What is the area of the figure James drew
    12·1 answer
  • 3. When the line of best fit is found by hand, it is exact.<br> O True<br> O False
    13·1 answer
  • 3.4((3)/(4)x-(2)/(5))-1.4((5)/(4)-2x)=6.89+0.35x
    7·1 answer
  • A local hamburger shop sold a combined total of 628 hamburgers and cheeseburgers on Thursday. There were 72 fewer cheeseburgers
    11·1 answer
  • Using technology, determine the quarterly payment on a 4 year loan of $16,231 at 5.1% compounded quarterly. round your answer to
    14·1 answer
  • Select the correct answer from each drop-down menu.
    15·1 answer
  • The plane flies from Melbourne to Tokyo at an average speed of 783 km/h The distance from Melbourne to Tokyo is 8352 km. The pla
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!