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
Rainbow [258]
2 years ago
15

If 9: x= x4, then x=

Mathematics
1 answer:
Furkat [3]2 years ago
3 0

Answer:

x = ±6

Step-by-step explanation:

9 : x = x : 4

9/x = x/4

Cross multiply.

x² = 9 × 4

x² = 36

x = ±√36

x = ±6

You might be interested in
Maggie needs to spend at least six hours each week practicing the piano. She has already practiced 3
grandymaker [24]

Answer:

t ≥ 1.5

Step-by-step explanation:

Lets take time for practicing the piano to be t

The number of hours to practice per week should be at least 6 hours

This is written as t ≥ 6

She already practiced 3 hours this week, thus the remaining hours to practice should be

t ≥ 3

The minimum remaining hours to practice for the remaining 2 days should be

t=3

If these hours are evenly divided, then in a single day she should practice

for t ≥ 1.5

8 0
3 years ago
On the first play during the football game our team gained 5 yards. Between both the second and third play our team lost eight y
Maurinko [17]

Answer:

loss

Step-by-step explanation:

you might want to check someone else answer first tho

7 0
3 years ago
Nvm I got it now lol
Usimov [2.4K]

Answer:

nice bro good for you :)

Step-by-step explanation:

3 0
2 years ago
What are the solutions of the equation x4 – 5x2 – 36 = 0? use factoring to solve.
algol13
X^4 - 5x^2 - 36 = 0
(x^2 - 9)(x^2 + 4) = 0
(x-3)(x+3)(x-2)(x+2) = 0

x = -3, -2, 2, 3
6 0
3 years ago
Read 2 more answers
Multiply 5x^2-6x+2 4x^2-3x
mixas84 [53]

Answer:

20x^{4}-39x^{3} +26x^{2}-6x\\

Step-by-step explanation:

Multiply the two polynomials by multiplying each term

(5x^{2} -6x+2)(4x^{2} -3x)\\5x^2*4x^2+5x^2(-3x)+(-6)*4x^2+(-6x)(-3x)+2*4x^2+2(-3x)\\20x^{4}-39x^{3}  +26x^{2} -6x\\

8 0
3 years ago
Read 2 more answers
Other questions:
  • Explain how the distributive property helps us multiply the following polynomials and why and how the final products differ: (a
    9·1 answer
  • Adelivery van travels 80 km on each day of the week from monday to saturday and 45 km on sunday.how many kilometers does the van
    10·1 answer
  • Describe a real-world situation that can be modeled by the function y=2x-3.
    6·1 answer
  • (-12)÷6+2 pls help math is hard for me
    8·1 answer
  • A line that passes through the points (-1,-7) and (3,7)
    8·2 answers
  • Ill mark branlist plls help
    10·1 answer
  • What is the median of the following numbers: 9, 10, 4, 6, 3, 7, 8, 2, 5. 54 8 7 6
    6·1 answer
  • What would be the slope of the line perpendicular to the line 2x+3y=-15
    10·2 answers
  • I need help with this problem
    12·2 answers
  • Indicate which property is illustrated in Step 5.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!