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
sesenic [268]
3 years ago
9

The multiplication inverse of 1/9 is

Mathematics
1 answer:
Ganezh [65]3 years ago
7 0

its 9 your welcome :]

You might be interested in
4x2 +9y2 = 72
Kamila [148]

Answer:

<h2>        \bold{\left(\dfrac{3}{13}\ ,\ \dfrac{4\sqrt{13}}{13}\right)\qquad\vee\qquad \left(\dfrac{3}{13}\ ,\ -\dfrac{4\sqrt{13}}{13}\right)}</h2>

Step-by-step explanation:

x - y² = -1     ⇒   - y² = - x - 1    ⇒    y² = x + 1   {x≥-1}

4x² + 9y² = 72

4x² + 9(x + 1)² = 72

4x² + 9(x² + 2x + 1) = 72

4x² + 9x² + 18x + 9 - 72 = 0

13x² + 18x - 63 = 0     ⇒   a = 13,  b = 18,  c = -63

x=\dfrac{-18\pm\sqrt{18^2-4\cdot13\cdot(-63)}}{2\cdot13}=\dfrac{-18\pm\sqrt{324+252}}{26}=\dfrac{-18\pm\sqrt{576}}{26}\\\\x=\dfrac{-18+24}{26}=\dfrac3{13}\qquad\vee\qquad x=\dfrac{-18-24}{26}=-\dfrac{21}{13}\\\\ y^2= x + 1\quad\iff\quad x\ge-1\\\\y^2=\dfrac3{13}+1\\\\ y^2=\dfrac{16}{13}\\\\y=\dfrac{4}{\sqrt{13}}=\dfrac{4\sqrt{13}}{13}\qquad\vee\qquad y=-\dfrac{4\sqrt{13}}{13}

4 0
3 years ago
26 - 20f = 6 please help me
Ymorist [56]
Answer : f=1

explanation : subtract 26 from both sides and then divide by -20, making f = q
8 0
3 years ago
3m − 9n = 24; n = −1, 1, 3
Bogdan [553]

m=24=+(-9,1,3

        3

Step-by-step explanation:

Substitute n=3,\pm 1n=3,±1 into 3m-9n=243m−9n=24

Solve for mm in 3m-(-9,1,3)=243m−(−9,1,3)=24

8 0
3 years ago
Suppose C = 20y + 15 and y = 50x + 5. Which of the following is equivalent to C = 20y + 15, but written only in terms of x?
Olegator [25]

Answer:

C = 1000x + 115 (Answer B)

Step-by-step explanation:

We know that..

C = 20y + 15

y = 50x + 5

So put the Y value in the equation of C

C = 20 (50x + 5) + 15

C = 1000x + 100 +15

C = 1000x + 115

7 0
3 years ago
PLEASEE HELPP ANYONE
zubka84 [21]
I got you. it is B i believe <span />
3 0
3 years ago
Read 2 more answers
Other questions:
  • Adriana use 1 1/4 cups of pretzels for every 1/2 cup of raisins when making a snack mix
    14·1 answer
  • I will give brainliest to first CORRECT answer!
    15·2 answers
  • A sphere has volume 463.01 cm^3. What is the radius of the sphere? A second sphere has a radius half as long as this radius. Wha
    14·2 answers
  • If 20 is decreased by 40%, what is the new amount?
    5·2 answers
  • How is the graph of y=2x^-2+4 different from the graph of y=2x^-2
    7·1 answer
  • Which statements are true about the ordered pair (7, 19) and the system of equations?
    9·1 answer
  • Autumn's family took a road trip to Mount Rushmore. Autumn fell asleep 39% of the way through the trip. If Autumn fell asleep af
    8·2 answers
  • Sorry to be annoying but there's another question i don't understand... :)
    9·2 answers
  • Solve the inequality, then identify the graph of the
    7·1 answer
  • Abby needs to take a taxi to go to the movies, the taxi charges 4.00 flag fee for the pick up and then 2.75 for each mile driven
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!