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1 year ago

JUST NEEDDD A BIT OF HELPPP PLSS

Mathematics

1 answer:

AfilCa [17]1 year ago

3 0

Answer:

They are all true except for D

Step-by-step explanation:

What they are asking you to do, is take your rectangle and flip it over the top. QR would stay right where it is and line ST would now be on top and line QR would be the bottom. If you can picture that, you can see that all the statements would be true but D.

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1.What is the cross section formed by a plane that contains a vertical line of symmetry for a tetrahedron?

stiks02 [169]

1. Answer;

- Triangle

Explanation;

The cross section formed by a plane that contains a vertical line of symmetry for a tetrahedron is a Triangle.

A tetrahedron also a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertex corners.

2. Answers

- Triangle

Explanation;

The cross section formed by a plane that intersects three faces of a cube is a Triangle. A cross section is the shape we get when cutting straight through an object. The shape of the cross-section of a solid depends upon the orientation of the cutting plane to the solid.

7 0

3 years ago

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What is the Slope of this equation?<br><br> y=-6/5x-5

-BARSIC- [3]

Answer:

Slope = - 6/5

Step-by-step explanation:

Step 1:

y = mx + b Slope Intercept Form

Step 2:

m = Slope

Step 3:

y = - 6/5x - 5 Equation

Answer:

Slope = - 6/5

Hope This Helps :)

6 0

2 years ago

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Mrs. Sloan draws two figures on the board.

Trava [24]

A dilated shape will either be enlarged or compressed.

<em>Allen did not make any mistake, and the scale factor is 3.</em>

The dimension of the smaller rectangle (figure Z) is:

3 units by 4 units

The corresponding dimension of the bigger rectangle (figure Z') is:

9 units by 12 units

The scale factor (k) is calculated by dividing the dimensions of Z' by Z.

So, we have:

$k = \frac{9}{3}$

$k = 3$

$k = \frac{12}{4}$

$k = 3$

Notice that both values of k are the same (i.e. 3)

This means that the scale factor is 3

Also figure Z and Z' share the same center of origin at point X

This means that the center of dilation from Z to Z' is X

Hence,

Allen made no mistake, and she is correct about the scale factor.