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Oksana_A [137]
3 years ago
10

Perpendicular is what

Mathematics
1 answer:
hichkok12 [17]3 years ago
5 0
Perpendicular is when 2 lines meet at 90 degrees or right angle. 2 lines are perpendicular to each other when they meet at a 90 degree/right angle. 
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3a/4+2a/3-a/12<br><br>a. a/3<br>b. 4/3<br>c. (4a)/3​
insens350 [35]

Answer: C

Step-by-step explanation:

\frac{3a}{4}+\frac{2a}{3}-\frac{a}{12}

Find the least common denominator of 4, 3, and 12.

4-3-12 | 3

4-1-4   | 4

1-1-1    |-------- 12

The first fractions needs to be multiplied by 3, and the second fraction, by 4

(\frac{(3a)*3}{(4)*3})+(\frac{(2a)*4}{(3)*4})-\frac{a}{12}

Solve;

\frac{9a}{12}+\frac{8a}{12}-\frac{a}{12}

Add the fractions with positive signs and subtract the one with negative sign.

\frac{(9a+8a)-a}{12}

Solve;

\frac{17a-a}{12}=\frac{16a}{12}

Simplify by 4;

16/4=4

12/4=3

\frac{4a}{3}

4 0
3 years ago
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What is the distributive property in -6 (x - 6)-
LenaWriter [7]

Answer:

-6x+36

Step-by-step explanation:

-6 (x - 6)

Distribute

-6x -6 (-6)

-6x+36

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Answer:

it would be 39

Step-by-step explanation:

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3 years ago
What is an algebraic expression for 'two thirds of a number (d) to the third power' ?
horrorfan [7]
It is (2/3d)^3
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The answer is a rotation
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