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❖ 8² - (4+2)² × 2 ÷ 4 = 46
Follow order of operations:
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
(Note: Multiplication and division can be done in either order as well as addition and subtraction.)
First, do parenthesis and exponents:
(4 + 2)² = 36 8² = 64
Now do multiplication and division:
36 x 2 ÷ 4 = 18
Now do subtraction:
64 - 18 = 46
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Answer:
10.5%
Step-by-step explanation:
The tangent of the angle is the ratio of rise to run.
tan(angle) = grade
tan(6°) ≈ 0.105 = 10.5%
The grade will be 10.5% for an angle of elevation of 6°.
Answer:
1680.
Step-by-step explanation:
30 * 56
Answer:
307
Step-by-step explanation:
34 + another number = 341
another number = 341 - 34
another number = 307
Answer:
8
Step-by-step explanation:
-6 + 6n = 42
First move the 6 over to the other side by adding....
6n = 48
now you will divide by 6 to get n by itself
n = 8