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dmitriy555 [2]
3 years ago
7

What times blank equal 90 and a 100

Mathematics
2 answers:
torisob [31]3 years ago
4 0

Answer:

10x9=90

10x10=100

Step-by-step explanation:

satela [25.4K]3 years ago
3 0

Answer:

35 is a factor of 90 so yes 35.

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The equation y−5=−2(x−3) is in point-slope form. Which shows this equation in slope-intercept form?
Tatiana [17]

Add 5 and eliminate parentheses

... y = -2x +6 +5


Simplifying, you get

... B. y = -2x +11

8 0
3 years ago
Reflection followed by a dilation, congruent or similar?
ddd [48]

Answer:

<h2>similar</h2>

Step-by-step explanation:

it'll be a different size and that wouldn't matter because it would still have the same area

6 0
3 years ago
Read 2 more answers
Compute the matrix of partial derivatives of the following functions.
s344n2d4d5 [400]

For a vector-valued function

\mathbf f(\mathbf x)=\mathbf f(x_1,x_2,\ldots,x_n)=(f_1(x_1,x_2,\ldots,x_n),\ldots,f_m(x_1,x_2,\ldots,x_n))

the matrix of partial derivatives (a.k.a. the Jacobian) is the m\times n matrix in which the (i,j)-th entry is the derivative of f_i with respect to x_j:

D\mathbf f(\mathbf x)=\begin{bmatrix}\dfrac{\partial f_1}{\partial x_1}&\dfrac{\partial f_1}{\partial x_2}&\cdots&\dfrac{\partial f_1}{\partial x_n}\\\dfrac{\partial f_2}{\partial x_1}&\dfrac{\partial f_2}{\partial x_2}&\cdots&\dfrac{\partial f_2}{\partial x_n}\\\vdots&\vdots&\ddots&\vdots\\\dfrac{\partial f_m}{\partial x_1}&\dfrac{\partial f_m}{\partial x_2}&\cdots&\dfrac{\partial f_n}{\partial x_n}\end{bmatrix}

So we have

(a)

D f(x,y)=\begin{bmatrix}\dfrac{\partial(e^x)}{\partial x}&\dfrac{\partial(e^x)}{\partial y}\\\dfrac{\partial(\sin(xy))}{\partial x}&\dfrac{\partial(\sin(xy))}{\partial y}\end{bmatrix}=\begin{bmatrix}e^x&0\\y\cos(xy)&x\cos(xy)\end{bmatrix}

(b)

D f(x,y,z)=\begin{bmatrix}\dfrac{\partial(x-y)}{\partial x}&\dfrac{\partial(x-y)}{\partial y}&\dfrac{\partial(x-y)}{\partial z}\\\dfrac{\partial(y+z)}{\partial x}&\dfrac{\partial(y+z)}{\partial y}&\dfrac{\partial(y+z)}{\partial z}\end{bmatrix}=\begin{bmatrix}1&-1&0\\0&1&1\end{bmatrix}

(c)

Df(x,y)=\begin{bmatrix}y&x\\1&-1\\y&x\end{bmatrix}

(d)

Df(x,y,z)=\begin{bmatrix}1&0&1\\0&1&0\\1&-1&0\end{bmatrix}

5 0
3 years ago
Use the properties of equality to simplify the equation. Tell whether the final equation is a true statement.
Feliz [49]

Answer:

No solution

Step-by-step explanation:

7x - 3 = 7 + 7x

Subtract 7x from both sides of the equation.

7 x −3−7x=7 rewrite as

7x-7x-3=7

-3=7

5 0
2 years ago
A man in a photograph is 1.5 inches in height. If the man is 6 ft. tall, what is the scale.
vladimir1956 [14]
The scale is 4 ft.per inch. (48 in. to every one inch)
To start off, we know that for every 1.5 inch, there is 6ft. (72 inches)
Divide 72 by 1.4 and get 48 inches by 1
or simple take 6ft and divide it by 1.5 inch.
5 0
3 years ago
Read 2 more answers
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