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
olchik [2.2K]
2 years ago
7

PLEASSSSSSSSSEEEEEEEEEEEE IS NOT A SCAMMM" I JUST NEED HELP

Mathematics
2 answers:
SSSSS [86.1K]2 years ago
7 0

Answer:

brainliest

Step-by-step explanation:

emmainna [20.7K]2 years ago
5 0

Answer:

Step-by-step explanation:

You might be interested in
Please help with this
Likurg_2 [28]
Idk know the answer sorry
3 0
2 years ago
What is the solution to the following system?
leva [86]

Answer:

(4,3,2)

Step-by-step explanation:

We can solve this via matrices, so the equations given can be written in matrix form as:

\left[\begin{array}{cccc}3&2&1&20\\1&-4&-1&-10\\2&1&2&15\end{array}\right]

Now I will shift rows to make my pivot point (top left) a 1 and so:

\left[\begin{array}{cccc}1&-4&-1&-10\\2&1&2&15\\3&2&1&20\end{array}\right]

Next I will come up with algorithms that can cancel out numbers where R1 means row 1, R2 means row 2 and R3 means row three therefore,

-2R1+R2=R2 , -3R1+R3=R3

\left[\begin{array}{cccc}1&-4&-1&-10\\0&9&4&35\\0&14&4&50\end{array}\right]

\frac{R_2}{9}=R_2


\left[\begin{array}{cccc}1&-4&-1&-10\\0&1&\frac{4}{9}&\frac{35}{9}\\0&14&4&50\end{array}\right]


4R2+R1=R1 , -14R2+R3=R3

\left[\begin{array}{cccc}1&0&\frac{7}{9}&\frac{50}{9}\\0&1&\frac{4}{9}&\frac{35}{9}\\0&0&-\frac{20}{9}&-\frac{40}{9}\end{array}\right]


-\frac{9}{20}R_3=R_3

\left[\begin{array}{cccc}1&0&\frac{7}{9}&\frac{50}{9}\\0&1&\frac{4}{9}&\frac{35}{9}\\0&0&1&2\end{array}\right]


-\frac{4}{9}R_3+R_2=R2 , -\frac{7}{9}R_3+R_1=R_1


\left[\begin{array}{cccc}1&0&0&4\\0&1&0&3\\0&0&1&2\end{array}\right]


Therefore the solution to the system of equations are (x,y,z) = (4,3,2)

Note: If answer choices are given, plug them in and see if you get what is "equal to".  Meaning plug in 4 for x, 3 for y and 2 for z in the first equation and you should get 20, second equation -10 and third 15.

7 0
3 years ago
Write each improper fraction as a mixed number. 9/4. 8/3. 23/6. 11/2. 17/5. 15/8. 33/10. 29/12.
yanalaym [24]

Aloha~! My name is Zalgo and I am here to provide a bit more knowledge to you today. The following Improper Fractions have been changed into Mixed Numbers (and also into decimals because I like Math :3):

  • 9/4 - 2.25 - 2 4/1
  • 8/3 - 2.67 - 2 2/3
  • 23/6 - 3.83 - 3 5/6
  • 11/2 - 5.5 - 5 1/2
  • 17/5 - 3.4 - 3 2/5
  • 15/8 - 1.875 - 1 7/8
  • 33/10 - 3.3 - 3 3/10
  • 29/12 - 2.416 - 2 5/12

I hope that this info helps! :D

"Stay Brainly and stay proud!" - Zalgo

(By the way, can you mark me as Brainliest? I'd greatly appreciate it! Mahalo~! XP)

7 0
2 years ago
Read 2 more answers
What is the slope of the line !?!?!
Sergeu [11.5K]

Answer:

Slope is -2

Step-by-step explanation:

8 0
2 years ago
How many times does to go into 50000
kompoz [17]

Answer: 2500

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Other questions:
  • Circle geometry help?
    8·1 answer
  • The quotient of 6 divided by 12
    6·2 answers
  • write a division equation to represent the repeated subtraction 32 take away 8 is 24 24 take away 8 is16 16 take away 8 is 8/8 t
    7·1 answer
  • A sports store received a shipment of 400 baseball gloves, 30% were left-
    11·2 answers
  • Emily's graduation picnic costs $3 for every attendee. At most how many attendees can there be if Emily budgets a total of $18 f
    10·2 answers
  • When evaluating the expression 5x^2 for x=4 explain why 4 must be squared before multiplying by 5
    11·1 answer
  • What number would go in the blank? 4 x 6 = 6 x ___<br> 6<br><br> 4<br><br> 10
    13·1 answer
  • HELP PLSS !!
    11·1 answer
  • 2.how many tiles whose length and width are 13cm and 7cm respectively are needed to cover a rectangular region who's the length
    13·2 answers
  • I need help <br>solve for x ​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!