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Softa [21]
4 years ago
12

I GIVE BRAINLIEST PLS HELP

Mathematics
1 answer:
ioda4 years ago
4 0
The answer is 8
Here's why:
{ ( \frac{( {6}^{7}) \times ( {3}^{3})  }{(  {6}^{6}) \times ( {3}^{4}  ) } )}^{3}  =   \\ ( \frac{6}{3} ) ^{3}  =  \\ \frac{216}{27}  = 8
The exponents are subtracted one from another when divided.
\frac{ a ^{b} }{ {a}^{c} } =  {a}^{b - c}
We can look at the problem this way:
( \frac{6^{7} }{6 ^{6} }  \times  \frac{3^{3} }{ {3}^{4} } ) = (6^{7 - 6}  \times  {3}^{3 - 4} ) =  \\ ({6}^{1}  \times  {3}^{ - 1} )
Since we have the power of -1 on the 3, we apply this rule:
{a}^{ - b}  =  \frac{1}{ {a}^{b} }
Also this rule because we have the power of 1 on the 6:
{a}^{1}  = a
Then we get this:
(6 \times  \frac{1}{3} )^{3}  = ( \frac{6}{3} )^{3}
We apply the rule:
( \frac{a}{b}) ^{c}   =  \frac{ {a}^{c} }{ {b}^{c} }
We get this:
\frac{{6}^{3} }{ {3}^{3} } =  \frac{216}{27}  = 8
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Which expression represents the composition [g o f o h](x) for the functions below?
asambeis [7]

Answer: 16875x³-13500x²+3600x-320

Step-by-step explanation:

[gοfοh](x) means g(f(h(x))). So you plug in h(x) into f(x) and that into g(x).

f(3x)=5(3x)-4=15x-4

g(f(3x))=5(15x-4)³

g(f(3x))=5(3375x³-2700x²+720x-64)

g(f(3x))=16875x³-13500x²+3600x-320

5 0
4 years ago
2. Solve: 7(5x-2) = 6(6x - 1).
slamgirl [31]

Answer:

-8

Step-by-step explanation:

35x-14=36x-6

35x-36x=-6+14

-x=8

x=-8

3 0
3 years ago
At midnight, the temperature in a city was 5 degrees Celsius. The temperature was dropping at a steady rate of 2 degrees Celsius
Nat2105 [25]

Answer:

t > 4.5

Step-by-step explanation:

T = 5 - 2t

is the equation for the temperature after midnight.

-4 = 5 - 2t  is the point of interest

-9 = -2t

t = 4.5 hrs  so 4:30 is the time the temperature reaches -4

t > 4.5 hrs covers all the time that the temperature is less than -4

3 0
3 years ago
Find the volume of the solid.
TEA [102]

Answer:

196π

Step-by-step explanation:

cylinder: π * (7/2)^2 * 13

cone: 1/3 π (7/2)^2 * (22-13)

5 0
3 years ago
Identify the parts of each expression: terms, coefficients, constants, and degree 1. 18x^3y^2 + 8x^2 - 32y -b 6
JulsSmile [24]

Answer:

a) Terms

   18x^3y^2\\8x^2\\-32y\\6\\b

b) Coefficients

   18\\8\\-32

c)Constants

   6\\b

d)Degree is 3

Step-by-step explanation:

From the question we are told that

18x^3y^2 + 8x^2 - 32y -6b

Generally the terms of the given equation is as follows

     18x^3y^2\\8x^2\\-32y\\6\\b

Generally the coefficients of the given equation is as follows

      18\\8\\-32

Generally the constant of the given equation is as follows

      6\\b

Generally the degree of the given equation is as follows

From the first term and highest    18x^3y^2

The degree of the equation is 3

6 0
3 years ago
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