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Angelina_Jolie [31]

4 years ago

14

Which rationale best describes why the functions are inverses? The functions intersect each other The functions have the same ge

neral curve. The functions are reflections over the line y = x One function has an x- intercept and the other has a y-intercept

1 answer:

Ostrovityanka [42]4 years ago

5 0

Answer: it’s C on edge2020 (the functions are reflections over the line y= x

Step-by-step explanation:

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Advocard [28]

It looks like this is a square pyramid net, and to find the surface area you need to know the base and height. By looking at the image 5 ft is the height and the base is 3 ft.

The surface area of the square pyramid is <u>40.32</u>

hope this helps!

5 0

4 years ago

Determine whether or not the triangles below or similar

Anastaziya [24]

Answer:

i think it is D

Step-by-step explanation:

i hope this helped!

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3 0

3 years ago

Find all real values of x such that f(x) = g(x) <br>for f (x) = x^2 + 1 g(x) = 3x - x^2

gogolik [260]

cant figure it out yet i’ll

8 0

3 years ago

Any help with this greatly appreciated.

Anestetic [448]

Put the equation in standard linear form.

$x'(t) + \dfrac{x(t)}{t + 5} = 5e^{5t}$

Find the integrating factor.

$\mu = \exp\left(\displaystyle \int \frac{dt}{t+5}\right) = e^{\ln|t+5|} = t+5$

Multiply both sides by $\mu$ .

$(t+5) x'(t) + x(t) = 5(t+5)e^{5t}$

Now the left side the derivative of a product,

$\bigg((t+5) x(t)\bigg)' = 5(t+5)e^{5t}$

Integrate both sides.

$(t+5) x(t) = \displaystyle 5 \int (t+5) e^{5t} \, dt$

On the right side, integrate by parts.

$(t+5) x(t) = \dfrac15 (5t+24) e^{5t} + C$

Solve for $x(t)$ .

$\boxed{x(t) = \dfrac{5t+24}{5t+25} e^{5t} + \dfrac C{t+5}}$

3 0

2 years ago

The ratio of pencils to erasers is 4:1 if there are 208 pencils,how many erasers are there?

Neko [114]

Answer:

52

Step-by-step explanation:

for every 4 pencils there is 1 eraser. 4/1=208/x

4x=208

x=52

7 0

3 years ago