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
Delicious77 [7]
3 years ago
11

(40x9)÷(4x8)=x solve for variable of x

Mathematics
2 answers:
nikklg [1K]3 years ago
8 0
The answer is:  " x = 11 ¼ "  ; or write as:  " x = 11.25 " .
_________________________________________________
Explanation:
_________________________________________________
  (40*9) ÷ (4*8) = x  ;  Solve for "x" ;

(40 * 9 = 360) .

(4 * 8 = 32) .

(360) ÷ (32) = 45/4 = 11 ¼  ; or write as:  11.25 .
________________________________________________
Leokris [45]3 years ago
5 0
(40 × 9) ÷ (4 × 8) = x

Simplify.

360 ÷ 32 = x

Simplify.

11.25 = x

So, x = 11 1/4 OR 11.25

~Hope I helped!~
You might be interested in
This is a one step equation
vichka [17]

Awnser:

I think its 7

Step-by-step explanation:

the photo is blurly can you say it and i can help u again

3 0
3 years ago
Read 2 more answers
N/4 -14=10<br> what is n?
mrs_skeptik [129]

Answer:

n=96

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a
Debora [2.8K]
If 3, 6, 9, 12, 15, and 18 are multiples of 3 between 1 and 20, and 5, 10, 15 and 20 are multiples of 5 between 1 and 20, then you add the amount of multiples together to get 10.

10 over 20 as a fraction can be simplified to 1 over 2 which is 50%.

This means that there is a 50% chance of drawing out a multiple of 3 or 5.

I hope this helps
7 0
3 years ago
Y = f(x) has the derivative f'(x) = (x + 1)²(x + 3)(x² + 2mx + 5) with ∀x∈i.
maksim [4K]

9514 1404 393

Answer:

  m ≥ -√5

Step-by-step explanation:

If g(x) = f(|x|) for x∈i, then g(x) = f(x) for x∈ℝ: x ≥ 0.

f'(x) is 5th-degree, so f(x) is 6th-degree, meaning it is generally U-shaped. Since we're only concerned with x ≥ 0, we want to make sure f'(x) has no real zeros of odd multiplicity such that x > 0. The given factors of f'(x) make it have real zeros at x = -3 and x = -1.

For the last factor, (x² +2mx +5) to have no positive real zeros of odd multiplicity, we must have m ≥ 0 or the discriminant ≤ 0. The discriminant is ...

  d = b² -4ac = (2m)² -4(1)(5) = 4m² -20 . . . . . discriminant of the last factor

  d ≤ 0 . . . . . . . . . . the condition for no real zeros

  4m² -20 ≤ 0

  m² -5 ≤ 0 . . . . . . divide by 4

  m² ≤ 5 . . . . . . . . .add 5

  |m| ≤ √5 . . . . . . . take the square root

This tells us there will be a positive real zero of multiplicity 2 in f'(x) when m = -√5, and there will be no positive real zeros for -√5 < m < 0

There will be no odd-multiplicity positive real zeros in the derivative function f'(x) as long as m ≥ -√5. This means the slope of f(x) is non-negative for x ≥ 0, hence f(|x|) has its only minimum at x=0.

_____

<em>Additional comment</em>

The multiplicity of the zeros of f'(x) is important because the derivative will only change sign where the multiplicity is odd. When the discriminant of (x²+2mx+5) is zero, the associated positive real zero will have multiplicity 2, hence f'(x) will not change sign there.

3 0
2 years ago
The product of 2 and x
Elis [28]

Answer:

2x

Step-by-step explanation:

two times x is 2x

when multiplying anything

it is 1x*2

which is 2*1=2

2*x

2x

5 0
3 years ago
Other questions:
  • HARDEST QUESTION OF ALL TIME CAN YOU SOLVE IT? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    14·1 answer
  • What is another way to write 4 hundreds
    8·2 answers
  • How do you find the volume of a prison
    14·2 answers
  • Membership to a racket ball club has an application fee and a monthly fee that can be modeled by the function c(m) = 12.50m + 49
    6·1 answer
  • Hey, if you’re doing school right now just know you’ll get through it! I believe in you!!! With that being said, what is 5+3? (L
    14·2 answers
  • Let g(x) = -x2 + x. Find g(-10).
    13·2 answers
  • I need help with this please
    12·1 answer
  • This is for anyone who has ever been cheated on before...
    10·1 answer
  • I GIVE BRAINLIEST FOR EXPLANATION AND CORRECT ANSWER EXTRA POINTS
    6·1 answer
  • WILL GIVE BRAINLYEST!!!!!
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!