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Over [174]
2 years ago
7

An article bought for Rs 1000 is sold in 4\div5 of the cost price. What is the profit percent ? ​

Mathematics
1 answer:
gulaghasi [49]2 years ago
5 0

Answer:

Rs/1000=1000Rs

Step-by-step explanation:

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Choose the best answers to complete the statements below.
morpeh [17]

<u>Answer:</u>

245 days per year ; 1715 hours per year

<u>Step-by-step explanation:</u>

Every emplyoee  works 5 days per week , 49 weeks per year. So,

Every employee works,

5 \times 49 days  = 245 days per year .

Every employee works  7 hours per day,

so, every employee works  7 \times 245 hours

                                           =  1715 hours per year .

                                     

5 0
3 years ago
Your watch is all screwy. Everyday it gains time in amount of 1 hour and 14 minutes. If you look at your watch at noon on Friday
Zigmanuir [339]

Answer:

it would be 1:14 pm

Step-by-step explanation:

5 0
3 years ago
When adding two rational numbers,if a pair of addends has opposite signs ,then the sum will have the sign of the addenda with th
____ [38]
When adding two rational numbers,if a pair of addends has opposite signs ,then the sum will have the sign of the addenda with the greater  value among the two.

These examples can better illustrate this concept:
Example 1:
23 + (-3) = 20 (The greater among the two is positive and the result is also positive)

Example 2:
-23 + 3 = -20 (The greater among the two is negative and the result is also negative)
6 0
3 years ago
Perform the operation.<br> (-10x² + 9) + (8x2 – 5x + 7)<br> HELP ASAP PLS
Ilia_Sergeevich [38]

Answer:

-2x² - 5x + 16

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

(-10x² + 9) + (8x² - 5x + 7)

<u>Step 2: Simplify</u>

  1. Combine like terms (x²):                                                                                  -2x² + 9 - 5x + 7
  2. Combine like terms (Z):                                                                                   -2x² - 5x + 16
5 0
2 years ago
The function f(x)=(x-1)^2-4 is not one-to-one. If you restrict the domain for f(x) to x(less than or equal to symbol)1, what is
olasank [31]

\text{We have been given the function }\\&#10;f(x)=(x-1)^2-4\\&#10;\text{Let f(x)=y}\\&#10;y=(x-1)^2-4\\&#10;\text{Swap x and y, we get}\\&#10;\\&#10;x=(y-1)^2-4\\&#10;\text{Now we solve for y}\\&#10;(y-1)^2=x+4\\&#10;\\&#10;y-1=\pm \sqrt{x+4}\\&#10;\\&#10;y=1\pm \sqrt{x+4}\\&#10;\\&#10;f^{-1}(x)=1\pm \sqrt{x+4}\\

x+4\geq 0\\&#10;x\geq -4\\&#10;\text{Thus, the domain is given by}\\&#10;x\in [-4,\infty )

5 0
3 years ago
Read 2 more answers
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