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Arte-miy333 [17]
3 years ago
13

There are two cell phone plans available from Cell Phones R Us company. Plan A charges $30 a month plus $0.01 for every text mes

sage. Plan B charges $20 a month plus $0.05 for every text message. How many text messages do you need to send in order for Plan A to cost the same as Plan B?
30 + 5m = 20 + m

20 + 5m = 30 + m

30 + 0.05m = 20 + 0.01m

20 + 0.05m = 30 + 0.01m
Mathematics
1 answer:
ddd [48]3 years ago
5 0
200 text messages is when the cost will be the same
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40 students where has their favorite shoe color <br> how many chose blue?
balandron [24]

Answer:

8 students

Step-by-step explanation:

There are 20 boxes and there are a total of 40 students interviewed. So, each box is worth 2 students. Since blue has 4 boxes, 4*2 = 8 students chose blue as their favorite shoe color.

Please mark as Brainliest.

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3 0
3 years ago
Choose the equation you would use to find the altitude of the airplane. tan70 = 0 tan70 = sin70 =
KonstantinChe [14]
The situation is represented by a drawing with a right triangle where an airplane is at the top corner, the elevation angle (opposite to the airplane) is 70°, the height (vertical leg) is x, and the adjacent leg (horizontal leg) to the 70° angle is 800.

Then, to find the height x, which is the opposite leg to the angle,  you can use the tangent ratio, which is opposite leg divided by adjacent leg:

tan(x) = opposite leg / adjacent leg => tan(70°) = x / 800

Answer: tan(70°) = x / 800
7 0
2 years ago
In XYZ, XY=XZ<br> Find the length of XY of XYZ if XY=2a, YZ=3a+1, andXZ=5a-12
lorasvet [3.4K]

Answer: XY = 8

Step-by-step explanation:

The diagram of the triangle XYZ is shown in the attached photo.

XY=XZ. This means that two sides of the triangle are equal. Two angles are also equal. It means that the triangle XYZ is an isosceles triangle.

Since XY=XZ, then

2a = 5a - 12

Subtracting 2a from both sides of the equation,

2a - 5a = 5a - 12 - 5a

-3a = -12

a = -12/-3

a = 4

Therefore, the length of XY is 2a = 2×4 = 8

5 0
3 years ago
Which of the following lines is perpendicular to the equation given below?
sukhopar [10]

the anser is

x- 2 y =6

x- 2 y =6

thats iit

4 0
3 years ago
You are organizing books on the shelf. Each book has a width of 3/4 inches. write and solve an equality for the numbers of books
Lunna [17]

3/4 = 0.75 inches

24 inches / 0.75 inches

= 32 books

6 0
2 years ago
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