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Natalka [10]
3 years ago
15

Last week at a gym, 120 people participated in a biking class. The number of people who ran on a treadmill was

Mathematics
1 answer:
DENIUS [597]3 years ago
6 0

Answer:

180 people ran on the treadmill at the gym last week.

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8,-67, -99, -91, -59, -81, 46<br> find the average of the following set of integers
konstantin123 [22]

Answer:

The average is -49.

Step-by-step explanation:

You add all numbers and then divide by the numbers that your adding:

8+-67+-99+-91+-59+-81+46= -252

-252/7= -49

7 0
3 years ago
The average weight of the class of 35 students was 45 KG. with the admission of a new student the average weight came down to 44
melamori03 [73]

The weight of the new student is 27 kg.

Average weight

= total weight ÷total number of students

<h3>1) Define variables</h3>

Let the total weight of the 35 students be y kg and the weight of the new student be x kg.

<h3>2) Find the total weight of the 35 students</h3>

<u>45 =  \frac{y}{35}</u>

y= 35(45)

y= 1575 kg

<h3>3) Write an expression for average weight of students after the addition of the new student</h3>

New total number of students

= 35 +1

= 36

Total weight

= total weight of 35 students +weight of new students

= y +x

44.5  =  \frac{y + x}{36}

<h3>4) Substitute the value of y</h3>

44.5 =  \frac{1575 + x}{36}

<h3>5) Solve for x</h3>

36(44.5)= 1575 +x

1602= x +1575

<em>Subtract 1575 from both sides:</em>

x= 1602 -1575

x= 27

Thus, the weight of the new student is 27 kg.

7 0
2 years ago
If anyone knows how to do this please help, its for a test and I have to finish the course by 11:59 tonight
abruzzese [7]
The correct answer would be c. hope this helps
3 0
2 years ago
Read 2 more answers
Help me pleasee I need this today!!!!!‍
avanturin [10]
-500+ (-650) = -1,150
3 0
2 years ago
Find the measure of the missing angle using the exterior angle sum theorm
svetoff [14.1K]

Answer:

160=130+x

x=160-130

x=30

6 0
3 years ago
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