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Fantom [35]
3 years ago
10

PLEASE HELP ASAP!

Mathematics
2 answers:
ExtremeBDS [4]3 years ago
6 0
Ok so I will take this from the top, lets start out  with choice A (-1,-12) we will need to see if the answer is equal to A. so first lets just merge these two problems into eachother to get 4x-8=2x-10 now, after subtracting 2x from each side we get 2x-8=-10. Now, add 8 to both sides which will give us 2x=-2... now it is simple, just divide -2 by 2 to get an answer for x as -1...Answer A is the correct answer
Naddika [18.5K]3 years ago
5 0
\begin{cases}y=2x-10\\y=4x-8\end{cases}\\\\\\
4x-8=2x-10\\\\4x-2x=-10+8\\\\2x=-2\qquad|:2\\\\\boxed{x=-1}\\\\\\y=2x-10\\\\y=2\cdot(-1)-10\\\\y=-2-10\\\\\boxed{y=-12}\\\\\\\begin{cases}x=-1\\y=-12\end{cases}\\\\\\

Answer A)
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Solve:<br> -0.4a+1.2=3.6
Komok [63]
A would equal negative 60
4 0
3 years ago
Read 2 more answers
A taxi driver wrote a formula to represent the mileage and fee for his last customer. He wrote the equation 3.00 + 0.50 m = 9.50
Vsevolod [243]

Answer: The sum of three dollars and the product of 50 cents times the number of miles is nine dollars and fifty cents.

Three dollars plus $0.50 times the number of miles is equal to nine dollars and fifty cents.

Step-by-step explanation:

Hi, to answer this question we have to analyze the equation given:

3.00 + 0.50 m = 9.50

Where m is the number of miles.

The equation states that the fixed fee charged (3.00) plus the product of the value of each mile traveled (0.50) and the number of miles traveled (m); is equal to 9.50.

So, the correct statements are:

  • The sum of three dollars and the product of 50 cents times the number of miles is nine dollars and fifty cents.
  • Three dollars plus $0.50 times the number of miles is equal to nine dollars and fifty cents.

Feel free to ask for more if needed or if you did not understand something.

7 0
3 years ago
Read 2 more answers
PLZ help Asap!!!!!!!!!!!!!!!!!!!!!!!
maria [59]
I'm may not be that good at math, but I'm going to try my best to help you, because I know how it feels to be in this situation! 

The first one : 
You might be right on D. But I'm thinking B also. The question asks "Which could be a cross section of a rectangular pyramid that has been intersected by a plane perpendicular".  But a triangle is basically a flat pyramid. 

(I'm typing really fast to help!!!!) 

Second one: Its B!! Look at it really closely! You'll get it!!!

(Going really fast now!!!!) 

Third one: Between B or D!!! But I think you're right on your choice!!!!

(FASTER FASTER!!!) 

FINALLY: Copy and paste your answers into google. People have asked the same question! 

I hope I helped. I don't want to make you fail, as I am in the SAME similar situation as you! I really REALLY REALLY HOPE YOU PASS!!!

3 0
3 years ago
Eric earned 60 points on his last test if there were 75 possible points what was his percent grade
Andru [333]
So 75 points is your 100%. You can do 60 over 75 is equal to X over 100. You divide your numerator(60) by your denominator(75) to get 85.7142857%, or to round to your nearest percent, your answer would be roughly 86%.
6 0
3 years ago
Can you please help me on 3n-2(-2-7n)=4(1-8n)
barxatty [35]

Answer:

n=0

Step-by-step explanation:

3n+4+14n=4-32n

3n+14n=-32n

17n=-32

17n+32n=0

49n=0

6 0
3 years ago
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