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Gnoma [55]
2 years ago
15

How do you know the correct order in which evauate algebraic expression

Mathematics
1 answer:
dimulka [17.4K]2 years ago
6 0

Answer:

Simplify the expressions inside parentheses ( ), brackets [ ], braces { } and fractions bars.

Evaluate all powers.

Do all multiplications and divisions from left to right.

Do all additions and subtractions from left to right.

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HELPPPPPPPPPPPPPP<br> Solve for x and y
frosja888 [35]

Answer:

x = 0, y = -1

Step-by-step explanation:

10x = 5y + 5

y = 2x - 1

======================

10x = 5(2x - 1) + 5

10x = 10x - 5 + 5

x = 0

======================

y = 2x - 1

y = -1

7 0
2 years ago
A pyramid has a regular hexagonal base with side lengths of 4 and a slant height of 6. Find the total area of the pyramid.
CaHeK987 [17]
Area of the Base = 6 * side^2 / 4 * tan (180/6)
Area of the Base = 6 * 16 / 4 * 0.57735
Area of the Base = 96 / <span> <span> <span> 2.3094 </span> </span> </span>
Area of the Base = <span> <span> <span> 41.5692387633 </span> </span> </span>

Area of 1 Face = 2 * 6 = 12
Area of 6 Faces = 72

<span> <span> Total Area = 41.5692387633 </span> + 72</span>
Total Area = 113<span>.5692387633</span>


6 0
3 years ago
Read 2 more answers
What is the absolute deviation of 4 in this data set?
lakkis [162]

Answer:

7

Step-by-step explanation:

I took the k12 quiz

6 0
2 years ago
In a normal distribution, 95% of the data fall within how many standard deviations of the mean? O A. Three standard deviations B
Galina-37 [17]

Answer:

Two standard deviations

Step-by-step explanation:

The Z score is obtained using the mean and standard deviation, according to the empirical. Rule, which gives percentage of values that lie within an interval estimate in a normal distribution ;

one standard deviation lie within 68% of the mean

Two standard deviations lie within 95%

Three standard deviations lie within 99.7%

Hence, for the question given, 95% fall within 2 standard deviations of the mean

4 0
2 years ago
Which translation maps the graph of the function f(x) = x2 onto the function g(x) = x2 + 2x + 6?
Flura [38]
The graph went left 1 and up 6. You could complete the square to find out or just graph it!
Hope this helps!
4 0
2 years ago
Read 2 more answers
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