Answer:
Multiplying a Monomial by a Monomial. When multiplying a monomial by a monomial, we multiply the coefficients together and tack on the variables at the end (usually in alphabetical order). When multiplying two of the same variables, add the exponents. Remember that the exponent on x is an invisible 1.
Step-by-step explanation:
Hope this helps
Answer:
Let x and y be the two numbers. Then
yx=57 and x−y=20
Cross multiplying the proportion
5x=7y or y=75x
So, x−y=20
x−75x=20⇒77x−5x=72x=20
⇒x=2140=70
y=75x=75×70=50
So smaller number is 50.
Check :yx=5070=57 and 70−50=20
Answer:
27
Step-by-step explanation:
add 5+5+7+6+4
Step-by-step explanation:
final answer will be 937.5 Kgm^2S^2 or 937.5 J
Answer:

Step-by-step explanation:

: Swap the sides of the equation

: Move 5 to right hand side and change it's sign

: Add the numbers : 19 and 5

: Divide both sides by -3

: Calculate




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