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
lapo4ka [179]
3 years ago
8

2x + y -z=9 -x + 6y + 2z =- 17 5x + 7y +z = 4

Mathematics
1 answer:
Effectus [21]3 years ago
3 0

Answer:

Step-by-step explanation:

What is y?

You might be interested in
Amelio has 6 more nickels than dimes, and the total value is $2.10. how many nickels does he have?
Nezavi [6.7K]
Amelio have 18 Nickels and 12 dimes!!

2.10−(6×0.05)−(12×0.10)−(12×0.05)= 0
6 0
3 years ago
True or False?<br><br> If x∈ W, then x∈ Z
zepelin [54]

Answer:

False

Step-by-step explanation:

If W and Z are vector spaces, then no, that is not necessarily true. That's not generally true for any circumstance unless the vector space W is a subspace of Z, or vice versa.

6 0
2 years ago
What is the value of y in the solution to the system of equations? One-thirdx + One-fourthy = 1 2x – 3y = –30 –8 –3 3 8
Neporo4naja [7]

Step-by-step explanation:

1<u>/</u><u>3</u><u>x</u><u>+</u><u>1</u><u>/</u><u>4</u><u>0</u><u> </u><u>=</u><u>1</u><u> </u><u>2x – 3y = –30 –8 –3 3 8</u><u> </u><u> </u>

4 1
3 years ago
Read 2 more answers
Oscar has a gift card with a $110 balance. He buys several video games that cost $15 each. After the purchases, his gift card ba
True [87]

Answer: Um... Not quite sure what you're asking, but he bought about 5 games with the gift card.

6 0
3 years ago
Read 2 more answers
If a tower casts a shadow 11 feet long the distance from the top of the tower to the end of the shadow is 61 feet .. How many fe
Svetach [21]
Use\ the\ Pythagoras\ Theorem:\\\\H^2+11^2=61^2\\\\H^2+121=3721\ \ \ \ |subtract\ 121\ from\ both\ sides\\\\H^2=3600\\\\H=\sqrt{3600}\\\\\boxed{H=60}\\\\Answer:Tower\ is\ 60\ feet\ tall.Answer here

8 0
3 years ago
Other questions:
  • NEED ASAP! Given: AB = 12 AC = 6 Prove: C is the midpoint of AB. A line has points A, C, B. Proof: We are given that AB = 12 and
    16·2 answers
  • #11 solve the equation78 = -2(m + 3) +m
    12·1 answer
  • Solve the system of equations.<br> y=5x-9<br> y=3x +7
    8·1 answer
  • Jonathan's antiques purchased an old wooden sled at an auction for $210. Jonathan wants to markup the sled 60 percent of the sel
    14·1 answer
  • Please help me with this question it's urgent!!
    11·2 answers
  • How would you say the following time?<br> 22.7 seconds
    12·1 answer
  • In a competition of 50 professional ballroom dancers, 22 compete in the fox-trot competition, 18 compete in the tango competitio
    14·2 answers
  • Ernesto has a jump rope that is 10.5 feet long. To make the jump rope the ideal length for his height, Ernesto needs to cut off
    14·2 answers
  • Carbon-14 has a half-life of 5730 years. How long will it take for 180 grams to decay to 100 grams?
    7·2 answers
  • PLEASE THEY WOLL CANCEL EVERYTHING I DONE THIS YEAR:
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!