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
Verizon [17]
3 years ago
14

On the average, a certain light bulb is supposed to last 450 hours. If it

Mathematics
1 answer:
Dafna1 [17]3 years ago
6 0

Answer:

72 novels

Step-by-step explanation:

A number of assumptions are involved regarding operating environment, utilization fraction, and probability of failure as a function of time. The precise meanings of the words "average", "supposed to last", "maximum", and "expect" are involved. The details are too arcane to go into here.

 (450 hours)/(6 1/4 hours/novel)

 = (450/(25/4)) novels

 = (450*4/25) novels

 = 72 novels

You might be interested in
7. Select True or False for each statement.
rewona [7]
A. True
B. False
C. False
D. False
E. True

B. Quadrant II contains ordered pairs of the form (negative number, positive number)
C. (-6,0) is located on the x-axis
D. The origin is not located on any of the quadrant. It’s in the center
8 0
3 years ago
Please help me right now
siniylev [52]

Answer:J

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
120 is 15% of what number
son4ous [18]
120 = 15% x

15% = 0.15

x = 120 / 0.15 = 800
6 0
3 years ago
Read 2 more answers
Which is the correct form of the quadratic formula?
d1i1m1o1n [39]

Answer:

The form ax2 + bx + c = 0 is called standard form of a quadratic equation. Before solving a quadratic equation using the Quadratic Formula, it's vital that you be sure the equation is in this form.

Step-by-step explanation:

5 0
3 years ago
If 139 is added to a number, the result is 44 less than four times the number. Find the number. Step 1 of 2: Use the variable x
lorasvet [3.4K]

Answer:

73

Step-by-step explanation:

let the number = X

If 139 is added, it becomes= X +139

the result becomes 44less than four time the number

= 4(39)-44 = 156-44 =112

the set up equation becomes

X +39 = 112

solving for the value of X

X = 112-39

X = 73

4 0
1 year ago
Other questions:
  • 3 + 2 (100 + 5 to the forth power - 1 what is the first step in solving this expression
    6·1 answer
  • What is the length of HL ?
    8·2 answers
  • if you are dealt 3 cards from a shuffled deck of 52 cards find the probability that all 3 cards are picture cards
    13·1 answer
  • Use f(x) = 5 x and f-1(x) = 2x to solve the problems.<br><br> f(2)=<br><br> fl(1) =<br><br> f11f2) =
    5·1 answer
  • What is the axis of symmetry of the function f(x) =-(x+9)(x-21)
    15·2 answers
  • Help!! high points help me fast!!! Identify the number that does not belong with the other three. Explain your reasoning. 26.6 r
    5·1 answer
  • Directions: Fill in all blank spaces in the table. Show all work below the table or on a separate sheet of paper. If needed, rou
    7·1 answer
  • Find the sum. 376 249 238 + 492​
    7·1 answer
  • Pleases help it’s due soon
    14·1 answer
  • Which shows the domain and range of these functions? Domain: (Negative infinity, infinity) Range: (Negative infinity, infinity)
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!