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natta225 [31]
3 years ago
6

Enter your answer and show all the steps that you use to solve this problem in the space provided. Simplify the expression. 5 +

4 x (8 - 6) ^2
Mathematics
1 answer:
Anettt [7]3 years ago
4 0

Answer:

\Large\boxed{21}

Step-by-step explanation:

To solve this problem, first you have to use the order of operations stands for parenthesis, exponents, multiply, divide, add, and subtract from left to right. Remember to use the order of operations stands for "Please Excuse My Dear Aunt Sally."

Do parenthesis first.

\displaystyle(8-6)=2

\displaystyle 5+4\times2^2

Next, exponent.

\displaystyle 2^2=2\times2=4

\displaystyle 5+4\times4

Multiply & divide numbers from left to right.

\displaystyle 4\times4=16

Finally, add & subtract numbers from left to right.

\displaystyle 5+16=21

As a result, the correct answer is 21.

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The midpoint of chord AB is ( , ), and the slope of chord AB is
kykrilka [37]

Answer:

See solution below

Step-by-step explanation:

Let the coordinate's of A and B be (1, 0) and (2,4) respectively

midpoint M (X, Y) = [(x1+x2/2, y1+y2/2)]

X = x1+x2/2

X = 1+2/2

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Y = y1+y2/2

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Y = 4/2

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Hence the required midpoint (X, Y) is (1.5, 2)

Slope m = y2-y1/x2-x1

m = 4-0/2-1

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m = 4

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<em>Note that the coordinates are assumed but the same calculation can be employed for any other coordinates</em>

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