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
rewona [7]
3 years ago
11

Simplify 9 x 5/9 in 4 mins

Mathematics
2 answers:
Triss [41]3 years ago
6 0

Answer:

5

Step-by-step explanation:

9 x 5/9

9/1 * 5/9

Rewriting

9/9 * 5/1

1 * 5/1

5

mamaluj [8]3 years ago
3 0

Answer:

20;-

Step-by-step explanation:

You might be interested in
Imani and Adam each improved their yards by planting grass sod and geraniums. They bought their supplies from the same store. Im
irina [24]

Answer: skrt skrt



Step-by-step explanation:


7 0
3 years ago
Read 2 more answers
Find the center and radius of the circle with the equation:
denpristay [2]

Answer:

It’s 14

Step-by-step explanation:

Just add

6 0
3 years ago
Find the area to the nearest hundredth
Savatey [412]

Answer:

9.0586 OR

9.06

Step-by-step explanation:

IDK, used fusion 360

6 0
3 years ago
Help with this plz what is the slope and the y intercept
GREYUIT [131]
Https://youtu.be/Qo1_xkv2w_M
4 0
3 years ago
Read 2 more answers
Show work please.<br><br> solve system of equations using matrices.
nadya68 [22]

Answer:

(t, t -1, t)

Step-by-step explanation:

You have three unknowns but only 2 equations, so you can't really SOLVE this...you can get a solution with a variable still in it (I forget what this is called.  I think it refers to infinite many solutions).  Here's how it works:

Set up your matrix:

\left[\begin{array}{ccc}1&-2&1\\2&-1&-1\\\end{array}\right] \left[\begin{array}{ccc}2\\1\\\end{array}\right]

You want to change the number in position 21 (the 2 in the scond row) to a 0 so you have y and z left.  Do this by multiplying the top row by -2 then adding it to the second row to get that 2 to become a 0.  Multiplying in a -2 to the top row gives you:

\left[\begin{array}{ccc}-2&4&-2\\2&-1&-1\\\end{array}\right]\left[\begin{array}{ccc}-4\\1\\\end{array}\right]

Then add, keeping the first row the same and changing the second to reflect the addition:

\left[\begin{array}{ccc}-2&4&-2\\0&3&-3\\\end{array}\right] \left[\begin{array}{ccc}-4\\-3\\\end{array}\right]

The second equation is this now:

3y - 3z = -3.  Solving for y gives you y = z - 1.  Let's let z = t (some random real number that will make the system true.  Any number will work.  I'll show you at the end.  Just bear with me...)

lf z = t, and if y = z - 1, then y = t - 1.  So far we have that y = t - 1 and z = t.  Now we solve for x:

From the first equation in the original system,

x - 2y + z = 2.  Subbing in t - 1 for y and t for z:

x - 2(t - 1) + t = 2.  Simplify to get

x - 2t + 2 + t = 2  and  x - t = 0, and x = t.  So the solution set is (t, t - 1, t).  Picking a random value for t of, let's say 2, sub that in and make sure it works.  If:

x - 2y + z = 2, then t - 2(t - 1) + t = 2 becomes t - 2t + 2 + t = 2, and with t = 2, 2 - 2(2) + 2 + 2 = 2.    Check it:  2 - 4 + 4 = 2 and 2 = 2.  You could pick any value for t and it will work.

6 0
3 years ago
Other questions:
  • What is the quotient (6x4 − 15x3 + 10x2 − 10x + 4) ÷ (3x2 + 2)?
    11·1 answer
  • ( 1/2 )2 · ( 1/3 )2=?
    6·1 answer
  • Simplify.<br><br> –2 • [–10.5 ÷ (2 + 3)]
    5·2 answers
  • What is the slope of the linear function that passes through the points (9, -2) and (-4,-6)?
    14·1 answer
  • Find the unit rate for the situation: Corrin has twin boys. She buys a box ot
    5·1 answer
  • What is the length of x of the side of the triangle below?
    13·1 answer
  • HELP ME PLEASE!!!!!! I WILL GIVE BRAINLIEST!!!!!!<br><br><br><br> Very simply btw
    15·2 answers
  • Find the area of the triangle with one angle of 150 degrees, and one side 6 cm and the other 7cm.
    10·1 answer
  • Write a polynomial f(x) that satisfies the given conditions, Express the polynomial with the lowest possible leading positive in
    13·1 answer
  • If m&lt;6=72 degrees, then Find m&lt;7
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!