All categories

3 years ago

Want Brainliest? Get this correct , Which rule should be applied to reflect f(x) = x^3 over the y-axis?

Mathematics

1 answer:

Rashid [163]3 years ago

8 0

Answer:

Step-by-step explanation:

When you flip over the y-axis you the x is multiplied by -1

You might be interested in

A scientist begins with 250 grams of a radioactive substance. After 250 minutes, the sample has decayed to 32 grams. Rounding to

s2008m [1.1K]

Answer:

Part 1 : $A=250 e^{-0.008223t}$

Part 2 : Half life is 84 minutes ( approx )

Step-by-step explanation:

Part 1 : Suppose the function that shows the amount( in grams ) of the substance after t minutes,

$A=A_0 e^{kt}$

If t = 0 min, A = 250 grams,

$250=A_0 e^{0}$

$\implies A_0 = 250$

If t = 250, A = 32 grams,

$32 = A_0 e^{250k}$

$32 = 250 e^{250k}$

$0.128 = e^{250k}$

Taking ln both sides,

$\ln(0.128) = 250k$

$\implies k =\frac{\ln(0.128)}{250}=-0.008223$

Hence, the equation that shows this situation,

$A=250 e^{-0.008223t}$

Part 2 : If A = 250/2 = 125,

$125 = 250 e^{-0.008223t}$

$0.5 = e^{-0.008223t}$

Taking ln both sides,

$\ln(0.5) = -0.008223t$

$\implies t =\frac{\ln(0.5)}{-0.008223}\approx 84$

Therefore, the half life of the substance would be 84 minutes.

8 0

3 years ago

I’m confused on what to do.

IRISSAK [1]

All you need to do is use your calculator to solve that equation. Just so you don't need to for just this one, here's the answer you should type into the box:

3/20

4 0

2 years ago

Does anyone know the answer to this ?

klemol [59]

Step-by-step explanation:

The circumference of the clock will be 8.6π because its hand is the radius. In 15 minutes the hand moves a quarter of the circumference which is 2.15π or 6.571.

5 0

3 years ago

Solving systems by elimination <br> 9x+3y=-3 <br> 2x-3y=-8

Alona [7]

Answer:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

−

Step-by-step explanation:

5 0

3 years ago

What is the prime factorization of 34

Wittaler [7]

Answer:

Your answer is 2*17

Happy Valentine's day!!<3

Step-by-step explanation:

1*34

2*17

7 0

3 years ago