1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
drek231 [11]
2 years ago
13

X - 2y + 3z= -9 2x + 5y + z = 10 3x – 6y + 9z = 12

Mathematics
1 answer:
Kobotan [32]2 years ago
5 0

solve\:for\:x,\:x-2y+3z=-9\quad :\quad x=-9+2y-3z

solve\:for\:x,\:2x+5y+z=10\quad :\quad x=\frac{10-5y-z}{2}

solve\:for\:x,\:3x-6y+9z=12\quad :\quad x=4+2y-3z

You might be interested in
Ana Completed 40% of her homework assignment How to Assignments contain 30 math problems how many problems does Anna still need
yulyashka [42]

Answer:

18

Step-by-step explanation:

30*0.4=12

This means 40% of 30 is 12 and Ana has completed 12 problems.

30-12 = 18, so she still needs to do 18 problems.

4 0
3 years ago
A mechanic charged $320.28 to repair a car. The price included charges for 3 hours of labor and $115.46 for parts. How much does
Viefleur [7K]

Answer:

$68.27 for 1 hour

Step-by-step explanation:

$320.28 - $115.46 = $204.82

$204.82 / 3 hours of labour = $68.27 for 1 hour

4 0
3 years ago
20 POINTS
Nata [24]

Answer:

1, 3, 7.

Step-by-step explanation:

7 0
3 years ago
How do you solve 8/125 to get the decimal answer: 0.064?
Paha777 [63]
To get a fraction to a decimal, you divide the top number by the bottom number. So, in this case it would be 8 divided by 125. Gives you 0.064.
5 0
2 years ago
Read 2 more answers
Select all names that apply to the number. The length of the side of a square that has an area of 77 square yards.
Mashcka [7]

The length of the side would be sqrt(77) = 8.7749.....

This can be classified as two answers:

A and D

This is a real number

It is also an irrational number because it can’t we written as a simple fraction.

3 0
3 years ago
Other questions:
  • If you want to convert yards to feet what operation would you use ?
    12·2 answers
  • Which is greater, 4 tenths and 2 hundredths or 2 tenths and 4 hundredths
    15·2 answers
  • Todd’s diet allows him 80 grams of fat per day. He had 56% of his fat grams at breakfast and lunch. How many grams of fat can he
    7·1 answer
  • (4x+1)(3x-7) yup it hurts
    9·2 answers
  • The directions are with the question. Please answer numbers 6 through 10, please.
    11·1 answer
  • PLease answer below easy question answer for 10 points and will give brainliest
    6·1 answer
  • Select the equivalent expression <br> (x^8/x^6) ^(5/4)
    7·1 answer
  • SC.6.E.6.14.
    12·2 answers
  • Pls help ASAP I will give brainless ​
    11·1 answer
  • Which variable expression represents the word phrase?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!