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garri49 [273]
3 years ago
10

6x squared+ 4 (x square- 1) Simplify the expression

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
5 0
 i think its
6x4-1 that should be the awnser


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A circle with radius 3 with a central angle of 17/9pi radians. What is the area of the sector?
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8 0
3 years ago
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The population of a city grows exponentially at rate of 8% per year.Find the number of years it takes for the population to be d
Ilya [14]

Answer:

<em>It will take 9 years for the population to double</em>

Step-by-step explanation:

<u>Exponential Growth </u>

The natural growth of some magnitudes can be modeled by the equation:

P=P_o(1+r)^t

Where P is the actual amount of the magnitude, Po is its initial amount, r is the growth rate and t is the time.

The population of a city grows at a rate of r=8% = 0.08 per year. We are required to find when (t) the population will double, or P=2Po.

Substituting in the equation:

2P_o=P_o(1+0.08)^t

Simplifying:

2=(1.08)^t

Taking logarithms:

\log 2=\log (1.08)^t

Applying the exponent property of logs:

\log 2=t\log (1.08)

Solving for t:

\displaystyle t=\frac{\log 2}{\log (1.08)}

Calculating:

t\approx 9

It will take 9 years for the population to double

8 0
3 years ago
The radius of a circle is 16 cm. Find its area in terms of pi
anzhelika [568]
Area is 804.25 if the radius is 16cm
8 0
2 years ago
How do i solve for x
GarryVolchara [31]

Answer:

X is 36 and y is 48.

Step-by-step explanation:

So a couple of things here: both triangles are equal, and triangles always add up to 180 degrees. If we do some math:

180-108-48=24

This means that 2x-y needs to equal 24. We know what y is, it's 48 since both triangles are equal. Lets do some more math to find x.

48+24=72

72 divided by 2 = 36. 36 is the answer for x.

7 0
2 years ago
When multiplying exponents do you add them.
Masja [62]
Add the exponents if the bases are the same, multiply the bases if the exponents are the same, if nothing is the same just solve it.
5 0
2 years ago
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