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
Olegator [25]
2 years ago
10

Slove system of equations y=2x-3 y=x^2-2x-8

Mathematics
1 answer:
Fiesta28 [93]2 years ago
3 0

Answer:

2 solutions:

x=5 and y=7

x=-1 and y=-5

Step-by-step explanation:

y=2x-3

y=x^2-2x-8

y=y   so:

2x-3=x^2-2x-8

simplifying to:

x^2-4x-5=0

factoring to:

(x-5)(x+1)=0

x=5 or x=-1

if x=5 then y=2(5)-3=7

if x=-1 then y=2(-1)-3=-5

You might be interested in
Solve the given equation <br> 7/10X=4 3/5
Vedmedyk [2.9K]

Answer:

x

=

40

Step-by-step explanation:

5 0
3 years ago
I need help with this math problem!!
Vesnalui [34]
In order to find which one is or isn't, you need to solve for the value of 'x'. 
2x + 15 = 35 
2x = 20
x = 10 

Substitute x =10, into equation. If each side are not the same (i.e. 0=2), then that's the equation that is not equivalent,

Answer is B
Double check this. Chur! :)

Hope this makes sense.


4 0
3 years ago
John has taken out a loan for college. He started paying off the loan with a first payment of $100. Each month he pays, he wants
sergeinik [125]
<span>Let a_0 = 100, the first payment. Every subsequent payment is the prior payment, times 1.1. In order to represent that, let a_n be the term in question. The term before it is a_n-1. So a_n = 1.1 * a_n-1. This means that a_19 = 1.1*a_18, a_18 = 1.1*a_17, etc. To find the sum of your first 20 payments, this sum is equal to a_0+a_1+a_2+...+a_19. a_1 = 1.1*a_0, so a_2 = 1.1*(1.1*a_0) = (1.1)^2 * a_0, a_3 = 1.1*a_2 = (1.1)^3*a_3, and so on. So the sum can be reduced to S = a_0 * (1+ 1.1 + 1.1^2 + 1.1^3 + ... + 1.1^19) which is approximately $5727.50</span>
8 0
3 years ago
Step1. Formulate two real-life problems involving system of linear inequalities in
pav-90 [236]

╱╱▏┈┈╱╱╱╱▏╱╱▏

▇╱▏┈┈▇▇▇╱▏▇╱▏

▇╱▏▁┈▇╱▇╱▏▇╱▏▁

▇╱╱╱▏▇╱▇╱▏▇╱╱╱

▇▇▇╱┈▇▇▇╱┈▇▇▇╱

4 0
3 years ago
A card is drawn from a stands 52 card deck what is the probability that the card is a red card, or that it is a ten of clubs or
marusya05 [52]

Answer:

d. 15/26

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • Which of the following represents the rate of change for a linear function
    13·1 answer
  • Which equation represents the line that passes through the points (–4, 3) and (2, –12)?
    9·1 answer
  • An alloy consists of nickel, zinc, and copper in the ratio 2:7:9.
    13·1 answer
  • Simplify the expression. w - .25w
    5·1 answer
  • A sphere and a cylinder have the same radius and height. The volume of the cylinder is 48 centimeters cubed. A sphere with heigh
    10·1 answer
  • What is the median of the data?<br><br> 11,16,12,7,23,9,5,5
    5·1 answer
  • HELP LIKE ASAP
    15·2 answers
  • Math problem its the screen shot
    13·1 answer
  • Which expression represents the area of this figure?
    6·2 answers
  • The highest mountain in earth is 29,028 ft. The lowest under sea trench is -35,840ft. Which has the highest absolute value
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!