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nirvana33 [79]
3 years ago
5

Which scenario best matches the inequality x greater than 3 ?

Mathematics
1 answer:
iris [78.8K]3 years ago
5 0

Answer:

d

Step-by-step explanation:

i got an 100 on the test :)

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What's the area of the room in this diagram?
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I believe it should be B.156 square feet because in order to find the area of a square, you gotta multiply 13ft and 12ft. Once that is solved your answer should be 156.
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4 years ago
What are the measurements of the two angles in the sketch?
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Answer:

Step-by-step explanation:

So you got (4x-15) and x

We know it will equal 180 total so you will do

(4x-15)+x=180

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Which right rectangular prism does not have a volume of 48 cubic centimeters?
borishaifa [10]

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7 0
3 years ago
Read 2 more answers
The answer to this equation​
12345 [234]

Answer:

x=3

Step-by-step explanation:

We are given the equation

log5x=log(2x+9)

This can be rewritten as

log5x-log(2x+9)=0

Now using the quotient rule for logarithms we can combine these two

log(\frac{5x}{2x+9} )=0

Next we can remove the log by using an inverse operation

10^{log(\frac{5x}{2x+9} )} =10^0\\\\\frac{5x}{2x+9}=1

Now we can solve for x

\frac{5x}{2x+9}=1\\\\5x=2x+9\\\\3x=9\\\\x=3

4 0
4 years ago
Initially 100 milligrams of a radioactive substance was present. After 8 hours the mass had decreased by 2%. If the rate of deca
4vir4ik [10]

Answer:

The half life of the radioactive substance is 277 hours.

Step-by-step explanation:

initial mass, No = 100 mg

mass decayed = 2% = 2 mg

Mass remained , N = 98 mg

time, t = 8 hours

Let the half life is T.

Use the equation of radioactivity

N = No\times e^{\frac{-0.693 t}{T}}\\\\98 = 100 \times e^{\frac{-0.693\times 8}{T}}\\\\0.98 = e^{\frac{-5.54}{T}}\\\\ln 0.98 = -\frac{5.54}{T}\\\\-0.02= -\frac{5.54}{T}\\\\T =  277 hours  

5 0
3 years ago
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