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Paraphin [41]
3 years ago
7

I need help please!!

Mathematics
2 answers:
Verdich [7]3 years ago
7 0

Answer:

Step-by-step explanation:

do the thing times 2

kompoz [17]3 years ago
5 0
Do the graph two times
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Which expression is equivalent to
nirvana33 [79]

For this case, we must find an expression equivalent to:

\frac {-9x ^ {- 1} y ^ {- 9}} {- 15x ^ 5y ^ {- 3}}

By definition of power properties we have:

a ^ {- 1} = \frac {1} {a ^ 1} = \frac {1} {a}

Rewriting the previous expression we have:

The "-" are canceled and we take into account that:

\frac {9} {15} = \frac {3} {5}

So:

\frac {3} {5x^5 * x ^ 1 *y ^ 9* y ^ {- 3}} =

According to one of the properties of powers of the same base, we must put the same base and add the exponents:

\frac {3} {5x ^ {5 + 1} * y ^ {9-3}} =\\\frac {3} {5x ^ 6 * y ^ 6}

Answer:

\frac {3} {5x ^ 6 * y ^ 6}

Option B

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3 years ago
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Select two values of x that are roots of this equation (picture included)<br><br> x^2+2x-5=0
WINSTONCH [101]

Step-by-step explanation:

A and C are correct options

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3 years ago
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Help!!!!!! Find x and y so the quadrilateral is a parallelogram.
iren [92.7K]

Answer:

Conclusion:

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  • The value of y = 4

Step-by-step explanation:

Given

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We know that the diagonals of a parallelogram bisect each other.

Therefore,

  • RT = TP

Given RT = x and TP = 5x-28, so

x = 5x-28

5x = x+28

5x-x = 28

4x = 28

divide boh sides by 4

4x/4 = 28/4

x = 7

Thus, the value of x = 7

Similarly,

QT = TS

Given QT = 5y and TS = 2y+12, so

5y = 2y+12

5y-2y = 12

3y = 12

divide both sides by 3

3y/3 = 12/3

y = 4

Thus, the value of y = 4

Conclusion:

  • The value of x = 7
  • The value of y = 4
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2 years ago
1.8.3 practice - functions<br><br>11. Find f(2) and f(a+h) when f(x) = 3x^2 + 2x + 4.​
drek231 [11]
The answer is f(2) = 20

3 0
2 years ago
I need help with with problem please thanks!
liraira [26]
40 is the correct answer. Hope this helps :)
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3 years ago
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