2 years ago

Solve (using change of base formula) 9^(x-5)=10

Mathematics

1 answer:

Allushta [10]2 years ago

4 0

X=6 1/9 is the answer

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NARA [144]

Answer:

x = -0.17 and x = -5.83

Step-by-step explanation:

We are asked to solve the quadratic equation

$x^2+6\,x+1=0$

We use the quadratic formula using a = 1, b = 6 and c = 1

for a general quadratic equation of the form: $ax^2+bx+c=0$

Then, the solutions are given by;

$x=\frac{-6+/-\sqrt{36-4\,(1)\,(1)} }{2} =\frac{-6+/-\sqrt{32} }{2}$

which produces the two following answers (rounded to two decimals):

x = -0.17 and x = -5.83

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3 years ago

Simplify 3c^2 + 5c^2 - c^2

yKpoI14uk [10]

Since they’re all like terms u can just add/subtract them
3+5-1=7
7c^2 is the answer

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3 years ago

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1 5x=-10 please help me i need this quick

Leokris [45]

Divide -10 in 15 = -0.666666666

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3 years ago

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Identify the variation as direct, inverse, joint or combined.<br> F=4/r

Sergio [31]

Answer:

inverse variation

Step-by-step explanation:

F is inversly proportional to r

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3 years ago

A theater has 384 seats. Each row has 16 seats. The area model represents this situation. What is the value of x in the area mod

antoniya [11.8K]

Answer:4

Step-by-step explanation: 64 divided by 16 is 4.y-step explanation

8 0

2 years ago

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