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Ipatiy [6.2K]
3 years ago
10

If a figure has four sides then it cannot be a triangle

Mathematics
2 answers:
goblinko [34]3 years ago
6 0

This is true. A triangle can only have 3 sides.

Vera_Pavlovna [14]3 years ago
4 0

true if it has for sides it can not be a triangle bc triangles have only 3 sides

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Ryanne is 14. Her brother’s age is three more than half her age. How old is her brother?
tamaranim1 [39]

Answer:

10

Step-by-step explanation:

14 / 2=7

7 + 3 = 10

8 0
3 years ago
Read 2 more answers
An automobile manufacturer sold 30,000 new cars, one to each of 30,000 customers, in a certain year. The manufacturer was intere
snow_lady [41]
A) In order to create a sampling plan, you need to follow the following 5 steps:
    1) Define the sample population: who are the customers you want to contact?
       The costumers who bought a new car on a certain year.
    2) Define the size of population: how many customers are you going to contact?
       Of the 30000 customers who bought a car, you want to contact 1000 customers.
    3) Define the contact options: how are you going to contact the customers?
       You have a list of names and addresses, therefore you can send a questionnaire via mail.
    4) Form a sampling frame: what is the time or contact frame to get in touch with your customers? 
       You will send the questionnaires and you will wait two months for the answer.
    5) Define the analysis method: is yours a qualitative or quantitative research?
     In your case, you want a quantitative research and therefore a probabilistic sampling.

B) The 32.5% probability refers to customers having issues with the power doors locks among the costumers who had problems, it does not consider the customers who did not have any problem or those who had problems after the first 5000 miles.

C) In order to find the probability of a power door lock problem if there have been problems within the first 5000 miles, we need to consider the whole sample:
P = 13 / 1000
   = 0.013

Therefore, 
N = <span>0.013 </span>× 30000
   = 390

Hence, the number of new cars sold that experienced a problem with the power door locks within the first 5000 miles will be 390.
         
4 0
3 years ago
The weather forecaster says that tomorrow there is a 87% chance that it will rain. Which word or phrase describes the probabilit
schepotkina [342]

Answer: likely

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Factor: 9x^2 + 15x.
slega [8]

Answer:

3(3x^2 + 5)

Step-by-step explanation:

step 1: find out the greatest common factor (GCF) of the number 9 and 15

ex: 9x^2 + 15x   (3 * 3x^2 + 3 * 5)

step 2: factor out the common term 3

ex: 3 * 3x^2 + 3 * 5   (3 * 3x^2 + 5)

step 3: simplify the equation

3 * 3x^2 + 5   [3(3x^2 + 5)]

6 0
2 years ago
Round 3.46 to the nearest tenth
CaHeK987 [17]
3.46 to the nearest tenth is 3.5

6 is greater than 5, and so you round up

3.5 is your answer

hope this helps
3 0
3 years ago
Read 2 more answers
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