All categories

3 years ago

Find the difference. Write your answer in simplest form.

Mathematics

2 answers:

mariarad [96]3 years ago

6 0

Answer:

19/9 = 2 1/9

Step-by-step explanation:

3241004551 [841]3 years ago

3 0

2 1/9. 4-2=2 7/9-6/9=1/9

You might be interested in

P(x) = x^4+ax^3-x^2+bx-12 has factors of (x-2) and (x+1). Solve the equation P(x)=0

Feliz [49]

Answer:

because P(x) has factors of (x-2) and (x+1) => x = 2 and x = -1 are the solutions of P(x)

so we have:

$\left \{ {{2^{4}+2^{3}a-2^{2}+2b-12 =0} \atop {1-a-1-b-12=0}} \right.\\=>\left \{ {{8a+2b=0} \atop {a+b=-12}} \right.\\\left \{ {{4a+b=0} \atop {a+b=-12}} \right.\\\left \{ {{a=4} \atop {b=-16}} \right.$

=> $P(x)=x^{4} + 4x^{3}-x^{2} -16x-12$

With P(x) = 0

=> $x^{4}+4x^{3}-x^{2} -16x-12 = 0$

=> ........

Step-by-step explanation:

5 0

3 years ago

The ratio of sheep to the total number of animals on a local farm is 2:5.

Lina20 [59]

Answer:

40%

Step-by-step explanation:

2:5 is equal to 4:10 or 40%.

7 0

3 years ago

Read 2 more answers

The upper-right number on a check that helps you keep track of checks written is called a

Anit [1.1K]

Check number.

The check number (7 in the figure) appears on the check twice: once in the upper right corner, and once at the bottom in magnetic ink.

_____
When you order checks, the check numbers in your order are all different. If you use the reorder form supplied, it has information that allows the check printer to make sure new checks start with a sequential number after the last of the old checks.

4 0

3 years ago

Trevor deposits $1500 in a simple interest account that pays

Lina20 [59]

Answer:

A = P(1+rt)

A = $1500(1 + 15*0.043)

A = $2467.5

8 0

3 years ago

Assume that all the given functions have continuous second-order partial derivatives. If z = f(x, y), where x = 9r cos(θ) and y

vfiekz [6]

Answer with Step-by-step explanation:

We are given that all the given functions have continuous second-order partial derivatives.

$z=f(x,y)$

Where $x=9rcos\theta,y=9r sin\theta$

We have to find

A. $\frac{\delta z}{\delta r}$

We know that

$\frac{\delta z}{\delta r}=\frac{\delta z}{\delta x}\frac{\delta x}{\delta r}+\frac{\delta z}{\delta y}\frac{\delta y}{\delta r}$

Using this formula

$\frac{\delta z}{\delta r}=9cos\theta \frac{\delta z}{\delta r}+9sin\theta\frac{\delta z}{\delta r}$

$\frac{\delta z}{\delta r}=\frac{x}{r}\frac{\delta z}{\delta r}+\frac{y}{r}\frac{\delta z}\delta y}$

B. $\frac{\delta z}{\delta \theta}$

$\frac{\delta z}{\delta \theta}=\frac{\delta z}{\delta x}\frac{\delta x}{\delta\theta }+\frac{\delta z}{\delta y}\frac{\delta y}{\delta\theta}$

$\frac{\delta z}{\delta \theta}=-9rsin\theta\frac{\delta z}{\delta x}+9rcost\theta\frac{\delta z}{\delta y}$

$\frac{\delta z}{\delta \theta}=-y\frac{\delta z}{\delta x}+x\frac{\delta z}{\delta y}$

C. $\frac{\delta^2 z}{\delta r\delta\theta}$

$\frac{\delta^2 z}{\delta r\delta\theta}=-9sin\theta\frac{\delta z}{\delta x}-y\frac{\delta^2z}{\delta x^2}(9cos\theta)+9 cos\theta\frac{\delta z}{\delta y}+x\frac{\delta^2z}{\delta y^2}(9sin\theta)$

$\frac{\delta^2 z}{\delta r\delta\theta}=-9sin\theta\frac{\delta z}{\delta x}-(81rsin\theta cos\theta)\frac{\delta^2z}{dx^2}+9cos\theta\frac{\delta z}{\delta y}+(81r cos\theta sin\theta)\frac{\delta^2z}{\delta y^2}$

$\frac{\delta^2 z}{\delta r\delta\theta}=-\frac{y}{r}\frac{\delta z}{\delta x}-\frac{xy}{r}\frac{\delta^2}{\delta x^2}+\frac{x}{r}\frac{\delta z}{\delta y}+\frac{xy}{r}\frac{\delta^2z}{\delta y^2}$

3 0

3 years ago