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
Paul [167]
3 years ago
6

Which is an expression to find the speed in m/s? d = 40 meters, t = 10 seconds

Mathematics
2 answers:
solong [7]3 years ago
7 0
D <u />÷ T = S
A is correct because to find the speed you have to divide the distance by the time. The answer is 4.
Jobisdone [24]3 years ago
3 0
The answer is A because the equation is 40/10 which would give you 4 and it asks m/s.
You might be interested in
2. A pizza restaurant charges y amount for a pizza based on the x number of toppings you select. What
Lapatulllka [165]

Answer:

slope should be 1.50x and your y-intercept should be 7.50

Step-by-step explanation:

5 0
3 years ago
How do you write the quotient when a number is divided by 2 decreased by 2
AnnyKZ [126]

__D__
12-2



D OVER 12-2

5 0
3 years ago
Someone help me please
lina2011 [118]

Answer:

-13, 0.4,7 its the 4th one

Step-by-step explanation:

3 0
3 years ago
An office supplies salesperson sold $1,284 in week 1, $976 in week 2, $489 in week 3 and $1,042 in week 4.
Hatshy [7]
For the answer to the question above asking an<span> office supplies salesperson sold $1,284 in week 1, $976 in week 2, $489 in week 3 and $1,042 in week 4.
Is this an incomplete question or you are asking for the total sales?
should I add them up? The answer would be 3,791</span>
6 0
3 years ago
A statistics tutor wants to assess whether her remedial tutoring has been effective for her five students. She decides to conduc
Snezhnost [94]

Answer:

The test statistic value is, <em>t</em> = -5.245.

The effect size using estimated Cohen's d is 2.35.

Step-by-step explanation:

A paired <em>t</em>-test would be used to determine whether the remedial tutoring has been effective for the statistics tutor's five students.

The hypothesis can be defined as follows:

<em>H</em>₀: The remedial tutoring has not been effective, i.e. <em>d</em> = 0.

<em>Hₐ</em>: The remedial tutoring has been effective, i.e. <em>d</em> > 0.

Use Excel to perform the Paired <em>t</em> test.

Go to Data → Data Analysis → t-test: Paired Two Sample Means

A dialog box will open.

Select the values of the variables accordingly.

The Excel output is attached below.

The test statistic value is, <em>t</em> = -5.245.

Compute the effect size using estimated Cohen's d as follows:

\text{Cohen's d}=\frac{Mean_{d}}{SD_{d}}

                =\frac{0.54}{0.23022}\\\\=2.34558\\\\\approx 2.35

Thus, the effect size using estimated Cohen's d is 2.35.

8 0
4 years ago
Other questions:
  • What is the slope of the line that passes through the points (-8, -6)(−8,−6) and (-18, 6) ?(−18,6)?
    9·1 answer
  • There are three numbers a ,b,c where a&gt;b and b&gt;c. Describe the positions of the numbers on a number line ????
    8·2 answers
  • A rectangular tank has a base that is 10 centimeters by 5 centimeters and a height of 20 centimeters. If the tank is half full o
    5·1 answer
  • You are bidding on three items available on an online shopping site. You think that for each bid you have a 30% chance of winnin
    13·1 answer
  • Find the exact values of sin(2θ), cos(2θ), and tan(2θ) given sec(θ) = − 15/9 and θ is in the interval [pi/2, pi]
    14·1 answer
  • Point F is on line CD. Find the measure of angle CFE.
    7·2 answers
  • Q1<br> Q2 - Using ratios<br> Complete the table for this pattern.<br> 8
    5·1 answer
  • PLEASE HELP ME FIND YHE SLOPE <br><br> 20 POINTS HELP ME PLWASW
    13·2 answers
  • Please answer correctly! I will mark you as Brainliest!
    9·2 answers
  • Anyone can you help me?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!