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
Nonamiya [84]
2 years ago
15

X=-4+y and -2x-5y=15

Mathematics
1 answer:
Scrat [10]2 years ago
7 0

Answer:

x=-5, y=-1

Step-by-step explanation:

Substitute x=-4+y into -2x-5y=15. So we have

-2(-4+y)-5y=15

8-2y-5y=15

-7y=7

y=-1

And x is -4+y so x= -4+(-1)= -5.

You might be interested in
Can the division expression 4 divided by 15 be shown as a fraction?
oksian1 [2.3K]
Yes, it can be shown as 4/15.
6 0
2 years ago
Ast year, 3,120 students competed in a statewide athletic competition. If each participating school district sent 26 students to
andreyandreev [35.5K]

Answer: 120 schools

Step-by-step explanation:

3,120 students competed in a statewide athletic competition and each participating school district sent 26 students to the athletic competition.

Total number of students= 3120

Total students sent by each school= 26

Number of participating school districts= Total number of students ÷ he students sent by each school

= 3120 / 26

= 120 students

There are 120 participating schools in the competition

3 0
2 years ago
Read 2 more answers
HELPP QUICK PLSSS The solution to a two-variable system is the point on a graph at which the lines cross
natali 33 [55]

Answer:

b. false, i think!

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Please help it's due today. Also please don't help if you don't know.​
zavuch27 [327]

Answer:

{x}^{16}  {y}^{22}

Step-by-step explanation:

multiple the top exponents by 3 and the u subtract the bottoms

4 0
2 years ago
What’s 448+1.75+80.3 step by step
Serga [27]

Answer:

530.05

Step-by-step explanation:

you add 448 and 1.75 together, which is 449.75, then you add 449.75 and 80.3 together, which adds up to 80.3 hope this helps :)

6 0
3 years ago
Other questions:
  • What is the area of a polygon
    6·2 answers
  • Let f(x) = 12 over the quantity of 4 x + 2. Find f(−1).
    7·1 answer
  • Which system of equations could be used to find the number of tickets sold before the tournament, x, and the number of tickets s
    10·2 answers
  • Simplify:
    7·2 answers
  • PLEASE HELP. WILL MARK BRAINLIEST.
    6·1 answer
  • (1 point) If the joint density function of X and Y is f(x,y)=c(x2−y2)e−2x, with 0≤x<∞ and −x≤y≤x, find each of the following.
    11·1 answer
  • Someone help me pls ill give brainlist to the correct one
    11·1 answer
  • A line that passes through the point (4, 2) and has the slope of -3/2
    12·1 answer
  • Is this pls help meeeee
    14·1 answer
  • URGENT PLEASE HELP ASAP
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!