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SVETLANKA909090 [29]
3 years ago
10

A principal randomly chose 30 students from grade 8. Of these students, 9 were wearing watches. Based on this information, what

is the most reasonable prediction of the number of students wearing watches in a group of 120 students from grade 8?
Mathematics
1 answer:
hram777 [196]3 years ago
5 0

Answer:

im pretty sure 36

Step-by-step explanation:

if you do 120 devided by 30 you get 4, then u just multipy by 9 which is 36.

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PLZ NEED AN ANSWER FAST WORTH 5 TO 10 POINTS
worty [1.4K]

n - 12 = -9

Add 12 to both sides to isolate the variable n.

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4 0
3 years ago
You are purchasing a T.V for $990 T.V with 9% sales tax. What is the final price of the T.V.?
Gnom [1K]

Answer:

$1079.10

Step-by-step explanation:

STEP 1: Multiply $990 by Sales tax.

STEP 2: Add Sales tax with $990

STEP 3: Solve-($1079.10)

4 0
3 years ago
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The improper fraction of 5 7/8
Licemer1 [7]
Its 47/8 hope this helped all you need to do is keep the 8 like how it is and then you do 5 times 8 and add 7 thats it
3 0
3 years ago
Read 2 more answers
How many non-square numbers lie between the 215to the power of 2 and 216 to the power of 2
Vaselesa [24]

There are 430 non square numbers that lie between 215^{2} and 216^{2}.

Given two numbers 215^{2} and 216^{2} and we are require to find non square numbers that lie between them.

Numbers can be consecutive numbers or non consecutive numbers. In our question we will find the consecutive numbers.

Square numbers are those numbers whos square is in a proper number means decimal should not be there.

First number=215^{2}

Second number=216^{2}

First we have to find the exact value of numbers by finding the square of these numbers.

First number=215*215=46225

Second number=216*216=46656

Numbers that  lie between them=(46656-46225)-1

=431-1

=430

Hence 430 numbers lie between 215^{2} and 216^{2}.

Learn more about product at brainly.com/question/10873737

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7 0
2 years ago
How many tiles do you need if they were .25 meters sqaured and the area is 180 meters squared
Xelga [282]
You would need 720 tiles
6 0
3 years ago
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