Answer:
The answer is 11
Step-by-step explanation:
To solve the expression we must use order of operations following the memotecnic rule PEDMAS that states the order of operations. First solve parenthesis, then exponents, then divisions and multiplications from left to right and finally additions and subtractions from left to right . Following this rule we have:
30-2(7+2)-1
First parenthesis
30-2*(9)-1
There are no exponents. There are no divisions so we do multiplications first
30 -18 -1
There are no additions we only do the remaining subtractiosn form left to right
30-18-1= 12-1= 11
Answer:
C
Step-by-step explanation:
Answer: the awnser is 9, 40, 41 mark me brainlist
Step-by-step explanation:
Sum of the squares of the two side = Square of longest side
a² + b² = c²
a)
So let's check 7, 24, 25
Is 7² + 24² = 25² ?
7*7 + 24*24
49 + 576
=625.
Let us perform the other side 25²
25² = 25 * 25 = 625
Therefore the left hand side = Right hand side.
Therefore 7, 24, 25 is a Pythagorean Triple
b)
Let's check 9, 40, 41
Is 9² + 40² = 41² ?
9² + 40²
9*9+ 40*40
81 + 1600
=1681
Let us perform the other side 41²
41² = 41 * 41 = 1681
Therefore the left hand side = Right hand side.
Therefore 9, 40, 41 is a Pythagorean Triple.
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Answer: 0.73
Step-by-step explanation:
10,000,000 + 5,000,000 + 300,000 + 40,000 + 70 + 8
