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igomit [66]
4 years ago
7

for a class trip a teacher bought 25 student tickets and 5 adult tickets.write an expression for the total cost

Mathematics
2 answers:
kolezko [41]4 years ago
6 0

Answer:

25 + 5 = 30

Step-by-step explanation:

I am Lyosha [343]4 years ago
4 0

T=25S+5A

this is the answer

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An example of a rational number is<br> 0-16<br> ооо
Alex17521 [72]

Answer:

0, 1, 1/2, 22/7, 12345/67, and so on.

Step-by-step explanation:

i just took the test!

4 0
3 years ago
One of the x-intercepts of the parabola represented by the equation y = 3x^2 + 6x − 10 is approximately (1.08, 0).
Igoryamba
3x^2 + 6x - 10 = 0

x  = [-6 +/- sqrt(^2 - 3*3*-10)] / 2*3

=  1.08 and -3.08

Other x -intercept is (-3.08,0)
4 0
4 years ago
Read 2 more answers
Please help if you can!!!!
storchak [24]

Answer:Well, I don't know what you got so I can't tell you if it is right.

If it works in both equations, it depends of whether your equations are set up correctly.

Here is how I would do this problem.

Let x = no. of hot dogs,y = number of sodas.

First equation is just about the number of things.

x + y = 15

Second equation is about the cost of things.

1.5 x + .75 y = 18

solve x+y = 15 for y  y = 15-x    substitute into second equation

1.5x + .75(15 - x) = 18    

You should get the correct answer for number of hot dogs if you solve this correctly.  Put your answer in the x + y =15 equation to get y.  Then put both x and y into the cost equation and check your answer.

Hope this helps.

Step-by-step explanation:

5 0
3 years ago
What 2 numbers should be used to find 231 - 198 using the 10 method for subtracting quickly in your head?
Airida [17]

Answer: "Count 2 and then count 31 more."

Step-by-step explanation:

We have the equation:

231 - 198

Now, the negative number is kinda ugly, so i will write it as:

200 - 2 = 198

Is a lot easier work with 200 and 2, than with 198.

Then the equation is now:

231 - (200 - 2)

And the left number we also have a "200", so it can be written as:

200 + 31 = 231

As this is a sum, we can ignore the parentheses.

200 + 31 - 200 + 2

31 + 2

Then the correct option is:

"Count 2 and then count 31 more."

4 0
3 years ago
Solve the expression 5x+2 1/2=15
Jobisdone [24]
X= 2.5 that is the correct answer
7 0
3 years ago
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