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
Andrej [43]
3 years ago
7

Solve by using elimination.express answer as an ordered pair 2x-5y=-7 5x-3y=11

Mathematics
1 answer:
jonny [76]3 years ago
8 0
2x-5y=-7 \ \ \ \ \ \ |\times (-5) \\
5x-3y=11  \ \ \ \ \ \ \ |\times 2 \\ \\
-10x+25y=35 \\
\underline{10x-6y=22 \ \ \ \ \ \ } \\
25y-6y=35+22 \\
19y=57 \\
y=\frac{57}{19} \\
y=3 \\ \\
2x-5y=-7 \\
2x-5 \times 3 =-7 \\
2x-15=-7 \\
2x=-7+15 \\
2x=8 \\
x=\frac{8}{2} \\
x=4 \\ \\ \boxed{(x,y)=(4,3)}
You might be interested in
Is 7.2 bigger than 7.21
Paraphin [41]

Answer:

yes

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is 25/7 in simplest form
Triss [41]
7 is a prime number, which means it can't be simplified. This fraction is already in simplest form, also because 25 and 7 don't have any common factors.
7 0
3 years ago
Read 2 more answers
Please help me with this worksheet !! (Math ) I WILL GIVE BRAINLIEST TO right answers
omeli [17]

C=pi*d

=22/7*7

=22

22 is the circumference of first circle

6 0
4 years ago
Read 2 more answers
Solve for x: 3(x + 1) = −2(x − 1) − 4<br><br> 1<br><br> −1<br><br> −5<br><br> −25
LekaFEV [45]

Answer:

x = - 1

Step-by-step explanation:

3(x + 1) = - 2(x - 1) - 4 ←  distribute parenthesis on both sides

3x + 3 = - 2x + 2 - 4

3x + 3 = - 2x - 2 ( add 2x to both sides )

5x + 3 = - 2 ( subtract 3 from both sides )

5x = - 5 ( divide both sides by 5 )

x = - 1

7 0
2 years ago
Consider the formula for the slope between two coordinates
krek1111 [17]

The following equations is equivalent to the slope formula is A) y₂= m(x₂-x₁) + y₁.

<h3>What is slope?</h3>

The angle of inclination of a line with respect to the horizontal is quantified. In analytical geometry, a line, ray, or line segment's slope is the proportion of the vertical to the horizontal distance between any two points ("slope equals rise over run").

<h3>What is equation?</h3>

Two expressions are combined by the equal sign to form a mathematical statement known as an equation. For instance, a formula might be 3x - 5 = 16. We discover that the variable x has a value of 7 after solving this equation.

Given that,

Take a look at the formula below for the slope between two coordinate locations, m.

m = \frac{y_{2}- y_{1} }{x_{2}-x_{1}  }

Here, slope is

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

Where m is the slope and y₁ and y₂ and x₁ and x₂ are coordinates of the axis.

The first step is to multiply x₂-x₁ on both sides in order to acquire y₂ on its own.

so you must add y₁ to both sides in order to get y₂ alone.

m(x₂-x₁) +y₁ = y₂.

Therefore, the following equations is equivalent to the slope formula is A) y₂ = m(x₂-x₁) + y₁.

To know more about the slope, visit:

brainly.com/question/16508963

#SPJ9

5 0
1 year ago
Other questions:
  • What is the distance between (-5, -6)(−5,−6)and (-3, -8)(−3,−8)?
    11·1 answer
  • What is m∠CAD?
    15·2 answers
  • 1. Suppose that F(x) varies directly with x and f(x) = 160 when x = 5.
    6·2 answers
  • Using the given points determine ∆y. (-3,-5) and (0,10)
    11·1 answer
  • Can someone answer this math question for me please and thank you
    5·1 answer
  • How far above ground is the top of the pole?
    14·1 answer
  • Satoko has 303030 tokens to spend at an arcade. The three lines represent the cost of playing Satoko's three favorite games for
    6·2 answers
  • William is 3 years older than charmine the sum of 3 times charmines age and 2 times williams age is 76 how old are william and c
    15·1 answer
  • Solve , √(5*5) + √(6*6) please ASAP​
    14·2 answers
  • Which of the following is an example of overdraft protection?
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!