Step-by-step explanation:
To subtract fractions, find the LCD and then combine.
Exact Form:
−119
Decimal Form:
−1.¯2
Mixed Number Form:
−129
The value of the expression 3ac - b² - c² is -61.
<h3>What is an expression?</h3>
Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.
The expression will be solved as below:-
3ac - b² - c² = ( 3 x 4 x -3 ) - ( 4 )² - ( -3 )²
= ( -36 - 16 - 9 )
= ( -61 )
Therefore, the value of the expression 3ac - b² - c² is -61.
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Answer: 1/4
Step-by-step explanation:
If you are multiplying exponents that have the same base(the are both 4 to...),
keep the base the same, and add the exponents. In this case, 4^3*4^-4 would come out to 1/4. You never never never never want negative exponents. To get rid of them, use the recipricole. 4^-4 is the same as 1/256.
If the bases are not the same and the exponents are the same, do this:x^a*y^a=(xy)^a. Multiply the bases together, and keep the exponent the same.
Answer:
71 m
Step-by-step explanation:
To find the answer all you need to do is take the width, w, and divide the area, a, to get length, l.
