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
morpeh [17]
3 years ago
8

Solve 5x-y=5 and 2y-x^2=11 without using trial improvement

Mathematics
1 answer:
iren2701 [21]3 years ago
8 0

Answer:

x = 7, y = 30  and  x = 3, y = 10

Step-by-step explanation:

5x - y = 5, then y = 5x - 5

2y - x^2 = 11

2(5x - 5) - x^2 = 11

10x - 10 - x^2 = 11

-x^2 + 10x -10 = 11

-x^2 + 10x -21 = 0

x^2 - 10x + 21 = 0

(x - 7)(x - 3) = 0

x = 7, y = 30

x = 3, y = 10

You might be interested in
What is the recursive formula for this geometric sequence<br><br>4,-12,36,-108...
Natalka [10]

a_{n+1} = - 3 a_{n} with a_{1} = 4

To find the next term in the sequence multiply the previous term by - 3

the common ratio r = \frac{-108}{36} = \frac{36}{-12} = - 3

a_{n+1} = a_{n} × r ← recursive formula




7 0
3 years ago
Read 2 more answers
Which of the following are congruent? ΔSTV and ΔTVU ST and TV ∠STV and ∠SVT UV and SV ∠U and ∠S ∠TVU and ∠SVT
Alenkasestr [34]

Answer:

D and E

UV and SV

∠U and ∠S

Step-by-step explanation:

yes

5 0
3 years ago
Read 2 more answers
What is the value of X?
nasty-shy [4]

Answer:

It is 23

Step-by-step explanation:

BC= FE

(x-4)=19

Therefore x= 23

6 0
3 years ago
Use the graph to find the slope. What is the runners speed?
Murrr4er [49]

The formula for the slope is m=\frac{y_2-y_1}{x_2-x_1}

m=\frac{20-10}{2-1}

m=\frac{10}{1}

m=10

Hope this helps.

頑張って!

3 0
3 years ago
7th out of 10 questions
Viktor [21]

Hello!

Let's make each of these ratios have a common denominator of 36.

5/36, 8/36, 6/36, 12/36

As you can see, our largest ratio is 12/36.

Therefore, our answer is D) 1:3.

I hope this helps!

3 0
3 years ago
Read 2 more answers
Other questions:
  • given the equations 9x + (3)/(4)y + 6 and 2x + (1)/(2)y=9 by what factor would you multiply the sencond equation to eliminate y
    11·1 answer
  • An i plz get some help
    13·1 answer
  • 14 students and 7 pizzas cut into 8 slices what choice represents the fraction of of one pizza that each recieves
    9·2 answers
  • $249 rounded to the nearest dollar ​
    8·1 answer
  • Identify the slope of the line for the equation y = −6x + 5. A) −6 B) −5 C) 5 D) 6
    7·1 answer
  • Solve the system using elimination. <br> 2x-3y=16<br> x+y=24
    5·1 answer
  • The number m divided by 10 leaves a remainder of 1, and the number n divided by 10 leaves a remainder of 4. What will be the rem
    15·1 answer
  • 2. A figure is reflected
    6·1 answer
  • :O o.m.g follow thebadgunner on twitch
    9·2 answers
  • PLEASE HELP IM GIVING 25 POINTS!!! THANKSSSSS
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!