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
Charra [1.4K]
3 years ago
5

A) Calculate an estimate for the mean height of the students. 129.3 cm

Mathematics
1 answer:
Sedbober [7]3 years ago
8 0

Answer:

(a) Y = 129.3x (b) It is an estimate as it may not be a true reflection of a student's height

Step-by-step explanation:

(a) Estimate of the mean height is the sum of the heights of all the students divided by the total number of students.

The question however needs more information for its estimation as 129.3cm is representative and may be the mean height but it was not stated.

However, assuming it is the mean height,

Let the total number of students be x

while Y is the sum of all individual student heights

Mathematically, mean = Y/x

Therefore 129.3 = Y/ x

implying that Y = 129.3x

(b) It is an estimate because computation of the mean gives an average which may not be an exact value. For example, the mean here is 129.3 whereas there will be many heights greater than that and some lesser than that and obviously, there may be no student with height of 129.3 hence it is an estimate.

You might be interested in
I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER
elena-s [515]

Answer:

its 84!

Step-by-step explanation:

volume of a rectangular prism is length * width * height, since the shape is 3D, or multi-demensional. you take all three numbers and multiply them together :) in this case its 7, 3, and 4. 4 * 3 is 12, and 12 * 7 is 84 :)

6 0
2 years ago
The diameter of a tire is 2.5 ft. Use this measurement to answer parts a and b. Show all work to receive full credit.
konstantin123 [22]
Thank you for posting your question here. Please see below answers for the problem above:

a. to find the circumference of the tire you need to multiply 3.14 by 2.5:
 = 3.14 x 2.5
 = 7.85 to round of it will be 8

b. to get the number of times the tire have to rotate to travel 1 mile:

1 mile = 5,280 ft
1 rotation is 7.85 
5,280/7.85 = 672.611465
4 0
3 years ago
Write as fraction in its lowest form: 0.342 *
malfutka [58]
171/500....... is the answer
7 0
2 years ago
Read 2 more answers
jenns age is 3 years less than marks age the sum of their ages is 30 let m be marks age find Jenna age
melamori03 [73]

Answer:

you could do 27+x=30

Step-by-step explanation:

7 0
3 years ago
Please help! Will give brainliest!<br> Don't give a like.
den301095 [7]

9514 1404 393

Answer:

  • fraction
  • denominator
  • product
  • numerator

Step-by-step explanation:

When you multiply a <u>fraction</u> by a whole number, the denominator in the product is the same as the <u>denominator</u> of the fraction. The numerator in the product is the <u>product</u> of the whole number and the <u>numerator</u> of the fraction.

__

That's the rule. It is derived from the fact that multiplication indicates repeated addition.

  \dfrac{2}{7}\times3=\dfrac{2}{7}+\dfrac{2}{7}+\dfrac{2}{7}=\dfrac{2+2+2}{7}=\dfrac{2\times3}{7}\qquad\text{for example}

7 0
3 years ago
Other questions:
  • What is this problem?<br><br>9+6÷(8-2)
    5·1 answer
  • Question 4 of 25
    5·1 answer
  • The family of solutions to the differential equation y ′ = −4xy3 is y = 1 √ C + 4x2 . Find the solution that satisfies the initi
    5·2 answers
  • HELP 64 POINTS
    5·2 answers
  • 1. What is the range of the data?
    15·1 answer
  • Factoring when a = 1
    13·1 answer
  • If the sin 60 degrees is 3/2, then the cos ______ degrees = ______.
    7·1 answer
  • Fill in the blank with the correct response. The slope of the graph of y= x is___​
    12·1 answer
  • Find the percentage
    6·2 answers
  • You have $30 to buy muffins. However, at the shop you can buy 1 muffin for $4. (a) Write an inequality from the above informatio
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!