Which expression is a way to represent the ratio of a to b?

Mathematics

1 answer:

kiruha [24]3 years ago

4 0

It’s 35 and 23 and also it can be mans at the the cakes

You might be interested in

In a quiz featuring 10 questions 5 marks are given for a correct answer and 2 for an incorrect answer. Jodie scored 15 and knows

Bingel [31]

I think Mark got 6 correct and his score was 13

3 0

4 years ago

If f(x) = 4x - 8 and g(x) = 5x + 6, find (f+ g)(x).

yan [13]

Answer:

9x - 2

Step-by-step explanation:

f(x) = 4x - 8

g(x) = 5x + 6

because it's (f + g)(x), we can simply add the functions together

{note: don't get thrown off by the (x) being separate parentheses--distributing the x first can help it look familiar:

(x)(f + g)

fx + gx,

it's the same thing}

(4x - 8) + (5x + 6)

here, we want to combine like terms to simplify:

4x + 5x - 8 + 6

4x + 5x - 2

9x - 2

So, (f + g)(x) = 9x - 2

hope this helps!! have a lovely day :)

5 0

2 years ago

Find the general solution to the homogeneous differential equation. d2ydx2−1dydx−30y=0 d2ydx2−1dydx−30y=0 Use c1c1 and c2c2 in y

lukranit [14]

Answer:

The general solution of second order homogeneous differential equation is $y(x)=c_1e^{6x}+c_2e^{-5x}$

Step-by-step explanation:

To find the general solution of this second order homogeneous differential equation $\frac{d^2y}{dx^2}-\frac{dy}{dx}-30y=0$ we are going to use this Theorem:

Given the differential equation $a \ddot{y}+b\dot{y}+cy =0, a\neq 0$ , consider the quadratic polynomial $ax^2+bx+c$ , called the characteristic polynomial. Using the quadratic formula, this polynomial always has one or two roots, call them $r$ and $s$ . The general solution of the differential equation is:

(a) $\ds y=Ae^{rt}+Be^{st}$ if the roots $r$ and $s$ are real numbers and $r\not=s$ .

(b) $\ds y=Ae^{rt}+Bte^{rt}$ , if $r=s$ is real.

(c) $\ds y=A\cos(\beta t)e^{\alpha t}+B\sin(\beta t)e^{\alpha t}$ , if the roots $r$ and $s$ are complex numbers $\alpha+\beta i$ and $\alpha-\beta i$