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
Elenna [48]
3 years ago
7

6) Select the best method to solve the system.

Mathematics
1 answer:
Andrew [12]3 years ago
7 0

Answer:

Elimination

x=-5 and y=-8

Step-by-step explanation:

-(5x-4y=7) <--- Multiply by a negative so that y can cancel out

4x-4y=12

=-5x+4y=-7

  4x-4y=12

=-x=5

  x=-5

5(-5)-4y=7 <--- plug x back in to solve for y

-25-4y=7

+25     +25

-4y/-4=32/-4

y=-8

You might be interested in
What are two decimals with thousandths that would give 0.2 when rounded to the nearest tenth and 0.20 when rounded to the neares
ale4655 [162]
To answer your questions, 3.216 and 7.203.
3 0
3 years ago
The equation y= 1/2 x +4 is graphed below.which equation would intersect this line at (4, 6)?
Anton [14]

Answer:

we have the equation y = (1/2)*x + 4.

now, any equation that passes through the point (4, 6) will intersect this line, so if we have an equation f(x), we must see if:

f(4) = 6.

if f(4) = 6, then f(x) intersects the equation y = (1/2)*x + 4 in the point (4, 6).

If we want to construct f(x), an easy example can be:

f(x) = y = k*x.

such that:

6 = k*4

k = 6/4 = 3/2.

then the function

f(x) = y= (3/2)*x intersects the equation  y = (1/2)*x + 4 in the point (4, 6)

5 0
3 years ago
Solve for X<br><br> Thank youuu
maksim [4K]

Answer:

x= -4

Step-by-step explanation:

∠LMP + ∠PMN= 180° (adj. ∠s on a str. line)

-16x +13 -20x +23= 180

bring x term to 1 side, constant to the other:

-36x= 180 -13 -23

Simplify:

-36x= 144

x= 144 ÷ (-36)

x= -4

*The sum of the angles on a straight line is 180°

6 0
3 years ago
Which number completes the square? x2 − 20x + _____?
OverLord2011 [107]
100, because, x^2 - 20x + 100 = ( x - 10 )^2;
4 0
3 years ago
13 can someone please explain this
Lady bird [3.3K]

Answer:

8.

Step-by-step explanation:

13).

This is an equilateral triangle.

We see that all 3 angles are equal,  so all sides are equal also.

So 2x - 6 = 10

2x = 16

x = 8.

6 0
3 years ago
Read 2 more answers
Other questions:
  • 57=100<br> 36=?%<br><br> 36=?%.............
    5·2 answers
  • A = 1/2h(m + n) for n​
    7·1 answer
  • What value of n in the equation nx+7=4y would give a line with the slope 2?
    11·1 answer
  • Fine x in the equation<br>2x+6=0​
    14·2 answers
  • If anyone can help me with this it would be awesome
    10·1 answer
  • Can anyone help me get caught up on edge ill pay $ and give u user and pass
    15·1 answer
  • PLZZZ ANSWER FAST U WILL GET BRAINLIEST A basket contains seven apples and eight peaches. You randomly select one piece of fruit
    9·2 answers
  • The eqution of the diagonal of a parallelogram is 3y=5x +k. The two opposite vertices of a parallelogram are the points (1,-2),
    9·1 answer
  • Trong tháng 05, tại cơ sở sản xuất có tài liệu sau. Tính thuế TTĐB mà cs phải nộp trong tháng. 1. Mua 5.000 lít rượu nguyên chất
    6·1 answer
  • 56 out of the 56 people in a company meeting managers. what percentage of the meeting attendees were managers
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!