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Vilka [71]
3 years ago
14

The time it takes for a race car to finish a lap (to the nearest tenth of a second) is represented by the variable t. Which set

of numbers best describes the value of t?
Mathematics
1 answer:
jeka943 years ago
3 0
Velocity=Distance/Time
Time(t)=Distance/Velocity
☺☺☺☺
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Eleanor scores 680 on the mathematics part of the SAT. The distribution of SAT math scores in recent years has been Normal with
Katen [24]

Answer:

  1. Elanor's standardized score is  1.19
  2. Gerald's standardized score is 0.72
  3. Elanor has higher score

Step-by-step explanation:

To compare Elanor's and Gerald's math scores, we need to standardize them and calculate their z-scores.

z score can be calculated using the formula

z=\frac{X-M}{s} where

  • X is the student's score
  • M is the mean score of the exam
  • s is the standard deviation of the exam

Elanor's standardized score is:

z(e) = \frac{680-554}{106} ≈ 1.19

Gerald's standardized score is:

z(g)= \frac{27-24.7}{3.2} ≈ 0.72

Since z(e) > z(g), Elanor has higher score

6 0
3 years ago
If a figure is a triangle, then it has three sides.
stellarik [79]
This answer is true
3 0
3 years ago
Pls help :(<br><br>read and answer the question
andrew11 [14]

Answer: Your answer should be C) 171! Hope this helps you!

Step-by-step explanation:

3 0
3 years ago
Select the sets that are not functions.
Kaylis [27]

Answer:

D,E are not functions

Step-by-step explanation:

A function is a relation in which every  input has not more than one output.But the output of the inputs may be same.Here in D the input 1 has 4 different outputs as 1,2,3,4.So its not a function.Similarly in E 6 has 2 outputs as 2 and -1.For remaining sets the inputs has only one output.so they are functions.

7 0
3 years ago
Find the length and area of rectangle whose diagonal is =26cm and breath is =10cm​
givi [52]

Answer:

240cm²

explanation

Diagonal ²=Length ²+breath ²

26²=10²+length ²

676=100+length ²

576=length ²

length=24cm

Area of a rectangle=length×breath

Area=24×10

=240cm²

3 0
3 years ago
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