1, 2, 2, 3, 4, 6, 8, 9, 10 What is the median?
1 answer:
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Answer:
The area of the triangular case = 61.2 square inches
Step-by-step explanation:
P.S - The exact question is -
Given - Mr. Sanders wants to display his American flag in a triangular case as shown below.
To find - What is the area of the triangular case ?
Proof -
Given that,
Base of triangle =
Height of triangle = 8.5 in
We know that,
Area of triangle =
=
=
=
= 61.2
∴ we get
The area of the triangular case = 61.2 square inches
Answer: Step 5
===================================================
Reason:
The order of operations is PEMDAS
- P = parenthesis
- E = exponents
- M = multiplication
- D = division
- A = addition
- S = subtraction
The multiplication and division are on the same level of precedent, and the same goes for addition and subtraction. Some math textbooks may refer to PEMDAS as BODMAS, which is basically the same thing.
Notice how division comes before addition. So we must compute the portion first before adding in step 4.
This is what steps 4 and onward should look like
So that's why the error is in <u>step 5</u>
If there was parenthesis around the "2+10", and we had , then step 5 given by your teacher would be correct.