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
mixas84 [53]
2 years ago
9

How can i solve them

Mathematics
1 answer:
Mariulka [41]2 years ago
4 0

Answer:

2x²+x-15=0

Step-by-step explanation:

A=L×W

12cm²=(2x+3)(x-1)

12=2x²-2x+3x-3

12=2x²+x-3

2x²+x-3-12=0

2x²+x-15=0

You might be interested in
How to do exponents a quicker way!! Please help my brother!
jekas [21]
You need to remember your exponent rules. I don’t know any easier way to do it. These are all the ones I can remember right now

3 0
3 years ago
X²-12x+a=(x+b)² find a and b​
Valentin [98]

Answer:

Step-by-step explanation:

x² - 12x + a = (x + b)²

x² - 12x + a = x² + 2xb + b²

-12 = 2b and a = b²

b = -6

a = b² = 36

8 0
3 years ago
PLS HELP ME FAST WILL GIVE POINTS
SpyIntel [72]

Answer:

The scale factor of the dilation that transforms the triangle is 1/3

Step-by-step explanation:

9x1/3 is 3. 6x1/3 is 2, etc.

5 0
3 years ago
Find the degree of the angles whose sine is -1/2 (that's a fraction)
Akimi4 [234]
I think is first one
8 0
3 years ago
12 meters equals how many kilometers?
san4es73 [151]

Answer:

0.012

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • Alex ran 12.8 km in the morning. After​ lunch, he continued running. When he finished the​ run, he had covered 31.4 km in all. W
    13·1 answer
  • A price of a gallon of milk is increasing at a rate of 2% each year if a gallon of milk cost $3.75 in 2017 how much will a gallo
    5·1 answer
  • (3 pts) a fair coin is tossed 11 times. what is the probability that:
    11·1 answer
  • I need to know how to work<br> This
    10·1 answer
  • I need help with this problem
    7·1 answer
  • In which section of the number line is √55?
    13·1 answer
  • Verify that sin (π + q) = -sin q is an identity.
    9·1 answer
  • I need to go 1,373 miles but the plane travels at 575 miles per hour. how long would it take me to get to my destination?
    9·1 answer
  • Mis Brown graded 84 papers. If the ratio of science papers to math papers is 2:10 how many math papers did she grade?​
    9·1 answer
  • A sequence is recursively defined by f(1)=3,f(n)=2* f(n-1) for n &gt;=2. Write the equation for the nth term
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!