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Mkey [24]
2 years ago
15

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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Please help. Screenshot attachedn
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

8 0
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
6 0
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
7 0
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

4 0
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

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2 years ago
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