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
Lostsunrise [7]
3 years ago
12

Which ordered pair is the solution to the system of linear equations y=5x+8 and -4x-1 ?

Mathematics
2 answers:
Margarita [4]3 years ago
8 0
Hello : 
<span>
 y=5x+8
y= -4x-1 
5x+8 = -4x-1
9x =-9
x = -1 
y = 5(-1)+8 = 3 
</span><span>ordered pair is the solution to the system : ( -1 , 3)</span>
Tom [10]3 years ago
7 0

Answer:

(-1,3)

Step-by-step explanation:

y=5x+8 , y=-4x-1

Both sides have y on the left hand side so make the right hand side equal and solve for x

5x+8= -4x-1

To solve for x , add 4x on both sides

9x+8=-1

Subtract 8 on both sides

9x=-9

Divide by 9 on both sides

x=-1

Now plug in -1 for x in the first equation and find out y

y=5x+8

y=5(-1)+8

y=-5+8

y=3

Ordered pair is (x,y) that is (-1,3)

You might be interested in
What is a acute triangle and what do a acute triangle look like?​
Llana [10]

Answer:

Step-by-step explanation:

this

5 0
3 years ago
Read 2 more answers
How solve this <br> x+y=5<br> X-y=7
Misha Larkins [42]
elimination\ methode\\\\\underline{+\left\{\begin{array}{ccc}x+y=5\\x-y=7\end{array}\right}\ \ \ \ |add\ both\ sides\ of\ the\ equations\\.\ \ \ \ \ \ 2x=12\ \ \ \ \ |divide\ both\ sides\ by\ 2\\.\ \ \ \ \ \ \ \boxed{x=6}\\\\subtitute\ the\ value\ of\ x\ to\ the\ first\ equation:\\\\6+y=5\ \ \ \ |subtract\ 6\ from\ both\ sides\\\boxed{y=-1}\\\\Answer:\boxed{\left\{\begin{array}{ccc}x=6\\y=-1\end{array}\right}
6 0
3 years ago
Suppose you invest $100 a month in an annuity that
Dominik [7]

Answer:

  $2502.60

Step-by-step explanation:

The formula for the amount of an annuity due is ...

  A = P(1 +r/n)((1 +r/n)^(nt) -1)/(r/n)

where P is the monthly payment (100), r is the annual interest rate (.04), n is the number of compoundings per year (12), and t is the number of years (2). Given these numbers, the formula evaluates to ...

  A = $100(1.00333333)(1.00333333^24 -1)/0.00333333

  = $100(301)(0.08314296)

  = $2502.60

_____

This value is confirmed by a financial calculator. The given answer choices all appear to be incorrect. The closest one corresponds to an annual interest rate (APR) of 4.286%, not 4%.

4 0
3 years ago
Read 2 more answers
A.) A new cell phone costs $625. Its sale price is $500. What’s the percent of decrease?
Andrej [43]

Answer:

175$

Step-by-step explanation:

8 0
3 years ago
B. A square has a side length of 5 feet. <br> What is the length of each side of the square
densk [106]

Answer:

5 ft.

Step-by-step explanation:

A square is a shape comprised of all equal side lengths. Therefore, if we are given that the square has a side length of 5 feet, then every side's length would also be 5 feet.

7 0
3 years ago
Other questions:
  • Solve 2+(6*5)-8, I have no clue the "*" is.
    6·2 answers
  • Read the proposition and the implication shown below. "If the lights are off, there is no one inside." Which statement is a cont
    11·1 answer
  • How do i solve 5y - 10 = -25?
    13·2 answers
  • A box contains red marbles. 8 green marbles 4 blue marbles and 3 yellow marbles. If 2 marbles are randomly selected without repl
    8·1 answer
  • Type the correct answer in the box. Jason builds doghouses for a pet store. Each doghouse is a wooden structure with a rectangul
    13·2 answers
  • PLEASE HELPP!<br><br>Triangles FGH and WXY are similar.
    15·1 answer
  • Find the average (mean) of the following test scores<br> 82,92,47,78,80
    12·2 answers
  • 30 POINTS!! Alondra has $35 and she earns $10 for each lawn that she mows. Alondra wants to buy a concert ticket that costs $95.
    11·2 answers
  • PLZ PLZ PLZ HELP ME WILL MARK BRAINLIEST Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
    14·1 answer
  • 17. The perimeter of rectangle RPQT is 134dm.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!