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
aliina [53]
3 years ago
12

The difference between two numbers is 9.

Mathematics
1 answer:
laiz [17]3 years ago
5 0

Answer:

first number=15 second number=6

Step-by-step explanation:

lets take the first and second numbers as "a" and "b"

a-b=9

a+2b=27  (solve these equations simultaneously)

eliminating a

-3b= -18

b= 6

then substitute in the first equation

a-6=9

a=9+6

a=15

I really hope you know how to solve equations simultaneously

hope this helped

You might be interested in
A circle has a diameter of 26 units. What is the area of the circle to the nearest hundredth of a Square unit?​
dybincka [34]

Answer:

Your answer is 539.93

Step-by-step explanation:

A = pi*r²

A = pi* 13²

A = pi*169

A = 539.93

8 0
3 years ago
What to the 4th power is equal to 256?
levacccp [35]
Hey There!

The answer would be 4, this is the answer because 4*4*4*4=256 

Thus,4^{4}=256

Thank You!
6 0
3 years ago
If Steven was paid $12.00 for 3 hours of work, how much would he make for 2 hours of work?
SashulF [63]

Answer:

8 dollars

Step-by-step explanation:

12/3=4

4x2=8

7 0
3 years ago
Suppose f is a linear function such that f(3 = 5 and f(7 = -4. find the equation for f
NeX [460]
   
\displaystyle\\   
f(3) = 5 \\ 
f(7) = -4\\\\
\texttt{Solve:}\\\\
f(x)=ax+b ~~~\Longleftrightarrow~~~ y=ax+b~~~\Longleftrightarrow~~~ ax+b-y=0\\\\
-------\\
3a+b-5=0~~~(E1)\\ 
7a+b+4=0~~~(E2)\\
---\\
E2 - E1\\
4a+9=0\\
4a =-9\\\\
\boxed{a =  -\frac{9}{4} = -2,25}\\\\
3\times  \Big(-\frac{9}{4}\Big)  + b -5 = 0\\\\
-\frac{27}{4} -5+ b = 0\\\\
\frac{-27-20}{4}  + b = 0\\\\
-\frac{47}{4}  + b = 0\\\\
\boxed{b = \frac{47}{4} = 11,75}



7 0
3 years ago
Jackson has a table with a square top and he wants to buy a circular piece of lace that will cover the entire top of the table.
DedPeter [7]

Answer:

226.2

Step-by-step explanation:

I took the test. I hope this helps! :)

6 0
3 years ago
Other questions:
  • What is the value of x2+3x-7 when x = -4?
    10·1 answer
  • Solve for x and y<br> y = 2x + 1<br> y = 4x - 1
    6·1 answer
  • How many real solutions does p2 – 2 = 0 have ?
    5·1 answer
  • I need help finding the answer
    6·1 answer
  • Ms Acosta received a job as a teacher with a starting salary of $34,000 according to her contract she will receive a 1.5% increa
    9·1 answer
  • There are students from 6th grade, 7th grade, and 8th grade in band. The 7th grade students make up 20%
    7·2 answers
  • Someone help me, im not sure how to do this, so if your kind enough please help me.
    13·1 answer
  • For the triangle below, what is the measure of Z?
    6·1 answer
  • Hardest one yet..<br> complete all of these<br> i mean all of em
    13·1 answer
  • 3(2x-4)=60 PLS HELP I HAVE A MATH TEST AND ITS DUE TODAY AND SHOW WORK PLS
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!