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
katrin2010 [14]
3 years ago
9

X+y=8 solve by substitution and Y=3x with substitution too

Mathematics
1 answer:
inna [77]3 years ago
6 0

Answer:

x=2

Step-by-step explanation:

Convert the Y to 3x since we know that y=3x.

You would get x+3x=8.

Add the x and 3x to get 4x

Then, you would get 4x=8.

Divide by 4 on both sides to get x=2.

You might be interested in
99 POINTS
Marina CMI [18]

both (0,350) and (250,700) fall in the shaded are

 and check:

350 *3 = 1050, which is more than 1000 and more than double the amount of hotdogs ( 0)


700 *3 = 2100, so over 1000 and more than double the amount of hotdogs(250*2=500)

 so those 2 are correct

5 0
3 years ago
Read 2 more answers
Anita can skate 3 1/3 miles in 1 hour. How far can she skate in 2 1/2 hours?
irga5000 [103]
3 1/3 times 2 1/2 =3 2/6 times 2 3/6 =6 15/6=8 3/6



8 3/6 I THINK

7 0
3 years ago
Jeff and Marcia own a llama farm. On their farm, they have 240 llamas.
kaheart [24]

Answer:

$46,800

Step-by-step explanation:

3/5 of 240 is 144

144*325 is 46,800

5 0
3 years ago
Read 2 more answers
1)
VikaD [51]

Answer:

a. Point S

b. Line segment PT and Line segment ST

c. PSQRU

d. Lines PR and SQ

e. Plane C and Plane QRS

Step-by-step explanation:

7 0
2 years ago
Andrews math teacher entered the seventh- grade students in a math competition. There was an enrollment fee of $30 and also an $
Anon25 [30]

Answer:

11

Step-by-step explanation:

You would start by subtracting $30 from $151 which is $121.

Then you would divide this by 11 which 121÷11=11

So 11 test were bought.

7 0
2 years ago
Other questions:
  • Which statement is true about whether A or B are independent events
    8·2 answers
  • The value of 7 in 375,081 is 7000
    9·1 answer
  • What is the answer to 6/2(1+3)?
    6·1 answer
  • Solve 7x – 5x – 3 = x 4.
    10·1 answer
  • Which linear equation is represented by the graph?
    15·1 answer
  • Find the value of given expression<br><br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B29%20-%204%7D%20" id="TexFormula1" titl
    12·2 answers
  • Does -3 and -2 make a right triangle
    13·2 answers
  • 1) An i staircase has a 10 inch vertical rise per step to get to the second floor of the house. If the angle of elevation is 30.
    10·1 answer
  • Given triangle XYZ:<br> Angle X = 90°<br> Angle Y = 45°<br> Angle Z=
    6·2 answers
  • Mentalmath grade 3 $1.00-$0.37
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!