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
iVinArrow [24]
2 years ago
9

Eq 1 X+Y=16 Eq 2 6x+9y=120 Solve by substitution Solve step by step

Mathematics
1 answer:
Alexxx [7]2 years ago
7 0

Answer:

X = 8, Y = 8

Step-by-step explanation:

Step 1) Solve for Y w/ bottom equation to yield - y = -2/3x + 40/3.

Step 2) substitute equation into x + y = 16 to get 1/3x + 40/3 = 16 multiply by 3 to clear the fractions and get x + 40 = 48 - subtract 40 by both sides to get x = 8.

Step 3) Plug x = 8 into the bottom equation to get 48 + 9y = 120, subtract 48 by both sides to get 9y = 72 and then divide by 9. The product is y = 8.

You might be interested in
What number needs to be subtracted from both sides of the equation 40 = 25 + x in order to isolate the variable and solve for x?
SOVA2 [1]

Answer:

x = 15

Step-by-step explanation:

As given, the equation 40 = 25 + x

As on the R.H.S of the equation, there is one constant and a variable x

As to isolate the variable we have to subtract the same constant so that that constant gives 0.

As we have the constant value 25

So, subtract 25 from both side of the equation, we get

40 - 25 = 25 + x - 25

⇒15 = x

∴ we get

x = 15

3 0
3 years ago
1. -3 2/5 + b = 8 1/5<br><br><br>2. -7/3 n = -42<br><br>PLZ HELP ASAP I WILL MARK BRAINLIEST
diamong [38]
1. Convert the mixed numbers into improper numbers (-3 2/5 = -17/5 and 8 1/5 = 41/5). Then add 17/5 to both sides when means b=58/5

2. Multiply both sides by the reciprocal of -7/3 (which is -3/7). So n=18
7 0
3 years ago
Multiple Choice: What method can be used to prove the triangles below are congruent? * Angle Side Angle (ASA) Angle Angle Side (
Aneli [31]

Answer:

angle side angle

Step-by-step explanation:

3 0
3 years ago
Point O is the center of this circle. What is m CAB?<br> A.55<br> B.48<br> C.45<br> D.35
Sophie [7]
Answer is B. 48

By circle theorem, the angle at the centre of the circle is twice the angle at the circumference.
3 0
2 years ago
Solve the inequalityfor v 4v&lt;20
lesantik [10]

Answer:


Step-by-step explanation:

V=5

6 0
3 years ago
Other questions:
  • Let
    13·1 answer
  • What are the possible rational zeros of f(x) = 3x4 + x3 − 13x2 − 2x + 9?
    14·1 answer
  • A triangular tent door has an area of 15 square feet. The height is five feet. What is the base?
    13·2 answers
  • Help again 3/4 + 3/6 is what
    13·2 answers
  • What is the circumference of this circle? (Use C = <img src="https://tex.z-dn.net/?f=%5Cpi" id="TexFormula1" title="\pi" alt="\p
    13·2 answers
  • Find the missing segment in the image below​
    10·1 answer
  • Write the sum, and then write an equivalent expression by collecting like terms and removing parentheses whenever possible.
    11·1 answer
  • 7.<br> Find the value of x. Round the length to the nearest tenth.<br> х<br> 40°<br> 11 cm
    8·1 answer
  • St boniface Hospital raises funds for research through its annual dinner and Gala event.For this event 353 tickets are available
    14·1 answer
  • How many groups of 10 are in 60?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!