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vodomira [7]
3 years ago
12

During lunch on Friday, 45 students in the 7th

Mathematics
2 answers:
goldenfox [79]3 years ago
8 0
If 25% is 45 students, then 100% is 180 students. There are 180 students in the entire 7th grade class.
marin [14]3 years ago
4 0

Answer:

135

Step-by-step explanation:

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Which set of side lengths can form a triangle? a 6cm, 8cm, 18cm b 6cm, 8cm, 10cm c 6cm, 7cm, 14cm d 6cm, 7cm, 20cm
kogti [31]
Sum of two sides can not be smaller than third side and difference of two sides cannot be larger then third side.

Answer is B.
7 0
3 years ago
Read 2 more answers
A county is in the shape of a rectangle that is 40 miles by 30 miles and has a population of 50,000. What is the average number
denis-greek [22]

Answer:

42

Step-by-step explanation: formula 40 X 30 = 1200 then  50,000 divided by 1200.

5 0
3 years ago
Need help asap question in the picture
MrRa [10]
The 4th equation is the answer
8 0
3 years ago
Explain what the equation 110d = 100d + 40 represents<br>in the context of the example problem.​
Tanya [424]

<em>This means that at some specific number of days the cost for Oceanview and  Beachside will be the same.</em>

<h2 /><h2>Explanation:</h2>

See the complete question in the attached file. In this exercise, we know that Oceanview charges $100 per day plus a one-time fee of $40. This can be represented by the following equation:

Total cost for Oceanview:

c=100d+40

Total cost for Beachside:

c=110d

Where:

c:Represents \ the \ cost \\ \\ d:Represents \ the \ number \ of \ day

So we have to explain what the equation:

110d=100d+40

represents in the context of the problem. We have used substitution in order to get that equation, so <em>this means that at some specific number of days the cost for Oceanview and  Beachside will be the same.</em>

This value was calculated and we get that<em> the cost at the hotels will be the same after 4 days and it will be $440.</em>

<h2>Learn more:</h2>

Linear equations: brainly.com/question/12412678

#LearnWithBrainly

3 0
3 years ago
Mplete the solution of the equation. Find the
Alex777 [14]

Answer:

-2

Step-by-step explanation:

If x=0

-3(0)+2y=-4

-0+2y=-4

We can say

2y-0=-4

2y=-4

Dividing both side by 2,

y=-2

5 0
1 year ago
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