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ikadub [295]
4 years ago
13

Simplify these expressions

Mathematics
1 answer:
Xelga [282]4 years ago
6 0
\frac{10a}{2} \\ \\ 5a \\ \\

The answer is: 5a

-----------

\frac{36b}{6b} \\ \\  \frac{36}{6} \\ \\ 6 \\ \\

The answer is: 6

------------

\frac{16c^2}{8c} \\ \\ 2c^{2-1} \\ \\ 2c^1 \\ \\ 2c \\ \\

The answer is: 2c

------------

\frac{18ab^2}{2b} \\ \\ 9ab^{2-1} \\ \\ 9ab^1 \\ \\ 9ab \\ \\

The answer is: 9ab

------------

\frac{40b^2c^2}{5bc} \\ \\ 8b^{2-1} c^{2-1} \\ \\ 8b^1c^1 \\ \\ 8bc^1 \\ \\ 8bc \\ \\

The answer is: 8bc

-----------

\frac{63ab^2c^3}{7b^2c^2} \\ \\  \frac{63ac^3}{7c^2} \\ \\ 9ac^{3-2} \\ \\ 9ac^1 \\ \\ 9ac \\ \\

The answer is: 9ac
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Find the percent cost of the total spent on each:
natta225 [31]

The right answer is 18%,61%,21%

Step-by-step explanation:

Given,

Amount spent on equipment = $46

Amount spent on fees = $152

Transportation = $52

Total spent = Equipment + Fees + Transport

Total spent = 46+152+52 = $250

Percent spent on equipment = \frac{Amount\ spent\ on\ equipment}{Total\ spent}*100

Percent spent on equipment = \frac{46}{250}*100 = 18.4\%

Rounding off to nearest percent

Percent spent on equipment = 18%

Percent spent on fees = \frac{Amount\ of\ fees}{Total\ spent}*100

Percent spent on fees = \frac{152}{250}*100 = 60.8\%

Rounding off to nearest whole percent

Percent spent on fees = 61%

Percent spent on transportation = \frac{Amount\ spent\ on\ transportation}{Total\ spent}*100

Percent spent on transportation = \frac{52}{250}*100 = 20.8\%

Rounding off to nearest whole percent

Percent spent on transportation = 21%

The right answer is 18%,61%,21%

Keywords: percentage, addition

Learn more about percentages at:

  • brainly.com/question/3071107
  • brainly.com/question/3126500

#LearnwithBrainly

6 0
3 years ago
Select all that apply.
schepotkina [342]

Answer:

2,3, and 4

Step-by-step explanation:

7 0
3 years ago
Choose a system of equations with the same solution as the following system: 6x + 2y = −6 3x − 4y = −18
jeka57 [31]

Answer:

I do know that y = 3 and that x = -2, so any system that has that solution is correct.

Step-by-step explanation:

Multiplying the second equation by -2 and adding the equations will cancel out the x variable. The remaining equation is:

10y = 30. Therefore, y must be 3. Substituting y in for the first equation, we get:

6x + 6 = -6. That means x must be -2. I checked my work with the second equation:

-6 - 12 = -18.

The system results in a true statement, so the answer is y = 3 and x = -2.

8 0
3 years ago
Read 2 more answers
Simplify z^5•z^5•z^5
klio [65]
z^5z^5z^5
z^5*z^5*z^5
z^{15}
3 0
4 years ago
What is (2/5) / (3/7) [two fifths divided by three sevenths?] ?
Georgia [21]
0.95 is the answer lol hope this helps
4 0
3 years ago
Read 2 more answers
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