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
Lera25 [3.4K]
4 years ago
12

What is answer for y=2x+1 ×+3y=31​

Mathematics
1 answer:
sweet-ann [11.9K]4 years ago
5 0

Answer:

x = 4 and y = 9

Step-by-step explanation:

y = 2x+1----(1)

x+3y = 31------(2)

(1)into(2) x + 3(2x+1) = 31

x + 6x + 3 = 31

7x = 28

x = 4

sub x=4 into (1) y = 2(4) + 1

= 9

(Correct me if i am wrong)

You might be interested in
Any help would be great
zhannawk [14.2K]

Answer:

V = 137.2

Step-by-step explanation:

We are given the volume equation. Simply plug in your <em>r</em> into the equation and calculate and you should get 137.189 as your answer.

7 0
3 years ago
Elevations above sea level are given as positive values, while elevations below sea level are given as negative values. Tina is
UkoKoshka [18]

|-80|=80

|x| -≥ this symbol is named as mod

we use this to find the absolute value...

it can be explained easily as meaning like rounding off

I'm that even the number given inside in negative we should write the answer only in positive

negative number can never be the answer of absolute value

hope helpful

mark brainliest

7 0
3 years ago
In the figure below an angle that is supplementary to angel FAB is:
Vlad1618 [11]

Answer:

CAB

Step-by-step explanation:

Angle CAB and Angle FAB together make 180 degrees(straight angle) . A supplementary angles equal to 180 degrees.

3 0
4 years ago
9.4 the tangent ratio<br> please help on #27 and 28
Ilya [14]

Answer/Step-by-step explanation:

27.

✔️Sin 23 = opp/hyp

Sin 23 = t/34

34*sin 23 = t

t = 13.3

✔️Cos 23 = adj/hyp

Cos 23 = s/34

s = 34*cos 23

s = 31.3

28.

✔️Sin 36 = opp/hyp

Sin 36 = s/5

s = 5*sin 36

s = 2.9

✔️Cos 36 = adj/hyp

Cos 36 = r/5

r = 5*cos 36

r = 4.0

29.

✔️Sin 70 = opp/hyp

Sin 70 = w/10

w = 10*sin 70

w = 9.4

✔️Cos 70 = adj/hyp

Cos 70 = v/10

v = 10*cos 70

v = 3.4

6 0
3 years ago
5 divided by 5.2 = ?
Alenkasestr [34]

Answer:

0.96153846153

but it would make more sense in a lot of cases if it was 5.2/5

Step-by-step:

5 0
3 years ago
Read 2 more answers
Other questions:
  • Write each of the following expressions without using the absolute value sign. |x−4| if x&gt;4
    10·1 answer
  • PLease help!!!!!!!!!!!!!!!!!!!!!!1
    6·2 answers
  • X is greater than or equal to 4 and less than or equal to 9
    13·1 answer
  • A bag contains 40 marbles: 12 red, 12 blue, and 16 yellow. What is the probability that a blue is randomly selected? A) .30 B) .
    5·1 answer
  • Anna wants to take fitness classes. She compares two gyms to determine which would be the best deal for her. Fit Fast charges a
    6·2 answers
  • 4. The following table represents a proportional situation:
    11·2 answers
  • Run
    12·1 answer
  • Write in slope intercept form
    12·2 answers
  • Please explain how to solve this step by step.
    8·1 answer
  • Help me plz..
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!