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Lana71 [14]
3 years ago
7

Which factor do 64x^2+48x+9 and 64x^2 - 9 have in common?

Mathematics
1 answer:
erastovalidia [21]3 years ago
8 0
<span>(8x +3) (8x-3)
</span>share the same terms
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Describe how the change affects the area of the figure.
Veronika [31]

Answer:

There is no change.

Step-by-step explanation:

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3 years ago
Help me math whoever is goood
Natasha_Volkova [10]
The conversion is 9*9=81 
The conversion is true
7 0
2 years ago
Suppose Kaitlin places $ 4000 in an account that pays 18% interest compounded each year.
Ratling [72]

Answer:

a) $4720

b) $5569.60

Step-by-step explanation:

Initial amount = $4000

Interest rate = 18% PA compounded

<u>Amount after 1 year</u>

  • $4000*1.18 = $4720

<u>Amount after 2 years</u>

  • $4720*1.18 = $5569.60
7 0
3 years ago
A 2000 kilogram sports car accelerates at a ratr of 30 meters per second squared. The velocity of the car is v=at where a is acc
solniwko [45]

Answer:

KE = 900,000t²

Step-by-step explanation:

The formula for calculating the kinetic energy of a body is expressed as KE = 1/2mv² where;

m is the mass of the sport car = 2000kg

v is the velocity of the car

Since v = at

v = 30t

Substituting the given values into the KE formula;

KE  1/2 * 2000 * (30t)²

KE = 1000*900t²

KE = 900,000t² Joules where t is the time measured in seconds

8 0
2 years ago
Read 2 more answers
What is the inverse
Anastasy [175]

Answer:

Third choice

\frac{\sqrt{2x}}{2} + 5, x\ge0

Step-by-step explanation:

<u>Definition</u>

An inverse function is defined as a function, which can reverse into another function.

Thus, if we have a function f(x) which evaluates to k at x = a or in other words f(a) = k, then the inverse of that function indicated by f⁻¹(x) will be such that f⁻¹(k) = a. This is the same as stating that f⁻¹(f(a)) = a

In order the find the in verse of a function f(x) the following are the steps

  • Set y = f(x)
  • Switch x and y
  • Solve for y

Given  f(x) = 2 \left(x - 5\right)^{2}, set it equal to y

y=2 \left(x - 5\right)^{2}  

Swap the variables x and y

x=2 \left(y - 5\right)^{2}  ==> (x - 5)^2 = \frac{x}{2}

x - 5 = \pm \sqrt\frac{x}{2}}\\\\x = \pm \sqrt\frac{x}{2}} + 5\\\\

Solve for y. There are two possible solutions

y=  \frac{\sqrt{2} \sqrt{x}}{2} + 5  = \frac{\sqrt{2x}}{2} + 5

y=- \frac{\sqrt{2} \sqrt{x}}{2} + 5 = -  \frac{\sqrt{2x}}{2} + 5

The only matching choice are choices 1 and 3. In order to determine if it is the first or the third, plug in 0 and see if the inverse value results in a real number

Substituting 0 for x in \frac{\sqrt{2x}}{2} + 5 gives us 0 + 5 = 5 which is a valid real

So the domain of the function are all values ≥ 0

Hence choice 3, not choice 1

4 0
1 year ago
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