The expression "an established fact" refers to ____

Answers

Answer 1

Answer: given information
postulates
definitions
a theorem that has already been proven
(I'm pretty sure)

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3-2r+5=2-8/3 is simplified to what?

Answers

Hi there!!! :DD

3-2r+5=2-8/3 is simplified to what?

Answer: $r= (13)/(3)$

For which rational numbers of a is the expression a-3/3: equal to 5/2 a is a positive numberFor which rational numbers of a is the expression a-3/3: greater than 5/2 a is a positive number

For which rational numbers of a is the expression a-3/3: less than 5/2 a is a positive number

I need help cuz this i rsm and my class is in an hour *AND GIVE ALL ANSWERS!!!!!!!*

Answers

Answer:

a=?

Step-by-step explanation:

Please please help me but make sure you give me the right answer :)

Answers

it is not representative of the whole school because you asked only peple at the gym
what if there happened to be 1 person at the gym,
therfor you conclude that 100% of people at school exercise?
rediculus

1. no, becuse yo only asked peple at gym who are probaly exercising or pretenitng to exercise or showing off

2. yes, at the doors of the school or the school cafeteria or where there is a mixed group of people, the more the better, if you can survey the entire school, great

3. that is an either or situation, also people don't like to be called a couch potato so theere will be some people who will lie and say they exercise every day and there will be some peple wo don't want to answer and there will be some who will think you are insulting them and punch you
you will have biased results since you changed the question to the extermes

1. No, the results will only represent how much exercise those people do. 2.A better location would be somewhere like a playground because everyone goes there. At a gym you will only talk to people who do exercise. 3. The results of you answer would be different because there is less of a range of answers. People who don't exercise every day would have to go with the second answer even if they exercised on like 5 days a week. Without those answers you could say that they exercised a lot.

Diana usually drives at average rate of 30 mph.If Diana drives for two hours with the speed of x mph, what distance will she cover?
PLZZZZZZZZZZZZZ HELP QUICK I WILL MAKE BRAINLIST

Answers

The total distance would be 60 miles traveled by Diana drives for two hours with a speed of 30 mph.

What is Average speed?

Average speed is defined as the ratio of the total distance traveled by a body to the total time taken for the body to reach its destination.

We have been given that Diana usually drives at an average rate of 30 mph.

she drives for two hours with the speed of 30 mph,

To determine the distance will she cover

Average speed = total distance / total time

Here total time = two hours and the average speed = 30 mph

30 mph = total distance / two hours

total distance = 30 × 2

total distance = 60 miles

Therefore, the total distance would be 60 miles traveled by Diana drives for two hours with a speed of 30 mph.

Learn more about the average speed here :

brainly.com/question/12322912

#SPJ2

Answer: 2x

Step-by-step explanation

Its 2x because we dont know the speed so we just put the x and the 2 is the hours so its 2x.

Find the value of x. Round to the nearest tenth.

Answers

Answer:

x = 7

Step-by-step explanation:

First we find out what we are using sin,cos, or tan then we plug in the numbers

Sin 26 x 16 = 7

There were 26 students in the classroom. 14 of the students went to thecafeteria and the rest went to the gym. What percentage of students
went to the cafeteria?