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3 years ago

What would be the surface area of this?

Mathematics

1 answer:

victus00 [196]3 years ago

5 0

I don’t see a picture so I can’t exactly answer this. Sorry

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What is the scale factor from Figure A to Figure B?

JulijaS [17]

Answer:

Step-by-step explanation:

The figure B is the scaled copy of the figure A.

The both figures are similar to each other.

The scale factor is the ratio of corresponding sides of figure B to A:

k = 3/9 = 1/3

k = 1.2/3.6 = 1/3

5 0

2 years ago

a foreman must order enough sod to cover a dirt area 36 feet wide by 28 feet long. each piece of sod is 3 feet long and 12 inche

Andrews [41]

If we divide the area we have to cover by the area of a piece, we will get the number of pieces needed:

$n=\dfrac{\text{dirt area}}{\text{piece area}}=\dfrac{36\times 28}{3\times 12} = \dfrac{36\times 28}{36}=28$

3 0

3 years ago

A convex polyhedron has 10 faces and 11 vertices. How many edges does it have?

timofeeve [1]

The polyhedron has 12 faces

5 0

3 years ago

Read 2 more answers

What is a partial quotient 318 divided by 53

Montano1993 [528]

It is six, or 318/53 is that wat u r asking

7 0

3 years ago

Read 2 more answers

Which matrix equation represents the system of equations? {-x+ 2y = 0 y= -2

Snowcat [4.5K]

We are given a system of equations,

$\begin{cases}-x+2y=0\\y=-2\\ \end{cases}$

This will translate into a 2x2 matrix of coefficients (because 2 equations and 2 unknowns),

$\begin{bmatrix}-1&2\\0&1\\ \end{bmatrix}$

The matrix will then be applied to the vector (lower dimensions on top),

$\begin{bmatrix}x\\y\\ \end{bmatrix}$

And the result vector will be whats on the other side of equals sign,

$\begin{bmatrix}0\\-2\\ \end{bmatrix}$

So to put everything together,

$\begin{bmatrix}-1&2\\0&1\\ \end{bmatrix}\begin{bmatrix}x\\y\\ \end{bmatrix}=\begin{bmatrix}0\\-2\\ \end{bmatrix}$

Hope this helps :)

6 0

3 years ago