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beks73 [17]
3 years ago
15

Pedro is given that log50−−√=0.8495. Without using a calculator, how can Pedro find log2√?

Mathematics
1 answer:
dmitriy555 [2]3 years ago
6 0

Answer:

log 2 = 0.301

Step-by-step explanation:

We have to find the value of log 2 while the value of log 5 is given to be 0.6989.

Now, starting with log 10, we get,

log 10 = log (5 × 2) = log 5 + log 2

{Using the property of logarithm that, log AB = log A + log B}

⇒ \log 10^{1} = \log 5 + \log 2

⇒ log 10 = 0.6989 + log 2

{Since \log x^{a} = a \log x}

Again, we know that, log 10 = 1

⇒ 1 = 0.6989 + log 2

⇒ log 2 = 0.301 (Answer)

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The face of a clock has a circumference of 63 in. What is the area of the face of the clock?
ryzh [129]

Answer:

The area of the clock = 315.41\ inch^{2}

Step-by-step explanation:

We have been given the face of the clock that is 63\ in

So that is also the circumference of the clock.

Since the clock is circular in shape.

So 2\pi(r)=63\ inch

From here we will calculate the value of radius (r) of the clock that is circular in shape.

Then 2\pi(r)=63\ inch =\frac{63}{2\pi} = 10.02\ in

Now to find the area of the clock we will put this value of (r) in the equation of area of the circle.

Now \pi (r)^{2}=\pi(10.02)^{2}=315.41\ in^{2}

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6 0
3 years ago
How do -11.5 and -9.5 compare?
DIA [1.3K]

Answer:

-9.5 is larger by 2 units

Step-by-step explanation:

-9.5 - (-11.5)

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5 0
3 years ago
the volume v of a tank varies directly with its height h a tank 12 ft High holds 300 cubic feet write an equation relating v &am
Liula [17]

v varies directly with height means

v/h=k were k is a constant

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so if h=12 and v=300 then

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so the relationhip could be h/v=1/25


if you di v/h, then

v/h=300/12=25/1=25=k

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3 0
3 years ago
Carl wants to fill up his fish tank with water. To determine the amount of water that it will take to fill the tank, Carl needs
vitfil [10]
Carl needs to find the (B) Volume of the fish tank
Hope this helped!!
6 0
4 years ago
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35 is 28% of what number? Please explain how you got it.
iren2701 [21]

Answer:

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Step-by-step explanation:

we have

x*.28= 35

we divide both sides by .28 and get

x= 125

and 28% of 125 = 35

Hope it helps !

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3 years ago
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