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vredina [299]
3 years ago
14

Two forces are acting on an object at the same point. Determine the angle between the two forces. (-2,7) and (3,-1)

Mathematics
1 answer:
gavmur [86]3 years ago
4 0
The answer is 56 degree
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Simplify the expression. (81x^12/3x^3)^1/3
ser-zykov [4K]
Raise each number to the power outside the parentheses.

\left( \dfrac{81x^{12}}{3x^3} \right) ^{ \frac{1}{3} } = \\

= \left( 27x^{12-3} \right) ^{ \frac{1}{3} } = \\

= \left( 27x^{9} \right) ^{ \frac{1}{3} } = \\

= \left( 3^3x^{9} \right) ^{ \frac{1}{3} } = \\

= \left( 3^3 \right) ^{ \frac{1}{3} } \times \left( x^{9} \right) ^{ \frac{1}{3} } \\

= \left( 3^{3 \times \frac{1}{3} } \right)  \times \left( x^{9 \times  \frac{1}{3} }} \right)  \\

= 3^1 x^3 \\

= 3x^3



6 0
3 years ago
the general rule of thumb is that the _____a substance's atoms and the _____ the bonds, the harder the substance
aleksklad [387]
<span>The general rule of thumb is that the smaller a substance's atoms and the stronger the bonds, the harder the substance to react and interact with other atoms. Since the stability is higher. Hope this answers the question. Have a nice day.</span>
5 0
3 years ago
Read 2 more answers
Can I have some help with this question?
labwork [276]
-10(1-9x) +6(x-10)
-10+90x+6x-60

96x-70

so d is the answer
5 0
3 years ago
Read 2 more answers
A total of 511 tickets were sold for the school play. They were either adult tickets or student tickets. There were more student
valentinak56 [21]

Answer:

less than 256

Step-by-step explanation:

Rule of 3. They were more than 50% of the tickets that were for students.

511*50/100 = 255,5

That means that less than 256 tickets were adult tikets

6 0
3 years ago
Here is an easy one
kvv77 [185]
Remember that the angles of a triangle is 180 so:

(7x+8) + (5x+2) + (7x-1) = 180
7x+8+5x+2+7x-1=180
7x+5x+7x=180-8-2+1
19x=171
X= 171/19
X=9

Therefore x=9
7 0
3 years ago
Read 2 more answers
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