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
____ [38]
2 years ago
13

Students in 7th grade took a standardized math test that they also had taken in 5th grade. The results are shown on the dot plot

, with the most recent data shown first. Find and compare the means to the nearest tenth. 7th-grade mean: 5th-grade mean: What is the relationship between the means?.
Mathematics
2 answers:
Finger [1]2 years ago
7 0

Answer: In general, the students increased their standardized math scores from 5th grade to 7th grade. The students might be more familiar with the exam and they have learned more in their math classes.

tensa zangetsu [6.8K]2 years ago
6 0

Answer:

7th grade mean: 16

5Th grade mean: 13.4

3. The 7th grade mean is about 2.5 points higher

Step-by-step explanation:

You might be interested in
Which quadratic function in vertex form can be represented by the graph that has a vertex at (3, -7) and passes through the poin
mrs_skeptik [129]
The equation is y=-3/4(x-3)^2-7
6 0
2 years ago
Is -6 greater than -17
lions [1.4K]
no -17 is greater than -6
4 0
3 years ago
Read 2 more answers
Write an expression that represents the area of only the red shaded region in terms of x
julsineya [31]

Answer:

(9 × 3x+7) - (5 × x+2)

Step-by-step explanation:

Red area

9 × 3x + 7

white area

5 × x+2

7 0
2 years ago
14.
Readme [11.4K]

The domain is t=0 to t=3.2  and range is y = 0 to 57.125 feet.

<u>What are Domain and range of a Function?</u>

  • The range of values that we are permitted to enter into our function is known as the domain of a function.
  • The x values for a function like f make up this set (x). A function's range is the collection of values it can take as input.
  • After we enter an x value, the function outputs this sequence of values. The y values are those.
  • A function can be compared to a piece of equipment on an assembly line.
  • A few screws and nuts are located on one end of the assembly line, while a car is located on the other. The function is the device in the center. The domain is the screws and bolts that we insert into the machine. The car at the other can be thought of as the range.

Given function is : y = -16t^2 + 50t + 4

It hits the ground when y=0

0 = -16t^2 + 50t + 4

8t^2 -25t -2 = 0

t = 25/16 + (1/16)sqrt(625+64) = (25+26.25)/16 = 51.25/16 = 3.2 seconds

domain is t=0 to t=3.2  [3.2]

take the derivative and set it equal to zero to find maximum height

-32t +50 = 0

t = 50/32 = 25/16 = 1.5625 seconds

-16(25/16) + 50(25/16) + 4 = 34(25/16) + 64/16 = (17(25)+32)/8 = 57.125 = maximum height

range is y = 0 to 57.125 feet.   the discus goes from 4 feet to 57 1/8 feet and back down to 0 feet.

Know more about Domain and Range with the help of the given link:

brainly.com/question/20349151

#SPJ4

8 0
2 years ago
5x - (8x -17) = -10
mihalych1998 [28]

Answer:

x=9

Step-by-step explanation:

isolate the variable by dividing each side by factors that dont contain the variables.

can i get the crown?

5 0
3 years ago
Read 2 more answers
Other questions:
  • The distance around the merry go round is 62.8 ft. what is the radius
    6·2 answers
  • Let f(x) represent a function.
    10·1 answer
  • Looking for an algebraic equAtion answer.. <br><br> 2x + y = 1<br> 4x - 2y = 6<br><br> Can you help?
    11·1 answer
  • A grocer stacks oranges in a four sided pyramid that is 6 layers high. How many oranges are in the pile
    9·2 answers
  • The perimeter of a rectangular painting is 340cm. If the width of the painting is 74cm, what is its length?
    6·2 answers
  • The circle below is<br> centered at (2, 3) and has a radius of 4. What is its equation?
    13·1 answer
  • Find the surface area of the prism can someone explain as well I will give brainlist if they do
    7·1 answer
  • Hurry please<br> I need the answer to this one in 2 minutes
    14·2 answers
  • what number I am if I am a factor of 90 but not a multiple of 6 and 9 i am greater than 10 but smaller than 20​
    14·1 answer
  • WILL GIVE BRAINLIEST find the minimum value of the parabola y=x^2+42/5
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!