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3 years ago

The mathematical 9 € t means

Mathematics

1 answer:

Kamila [148]3 years ago

8 0

It means <span>9 is not an element of T. hope it helped</span>

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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

Read 2 more answers

Work out the size of angle x.

klemol [59]

Answer:

120°

Step-by-step explanation:

since 60° and x are alternate interior

you get this equation

60° + x = 180

subtract 60 from both sides

x = 120

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2 years ago

On a piece of paper graph y= 2x-3. Then determine which answer matches the graph you drew. (there is 4 options not just three)

boyakko [2]

Answer:

Step-by-step explanation:

since the slope (2) is positive the graph is similar to y=x, so graphs B and D are eliminated

so when x=1 we have

y=2(1)-3

y=2-3

y=-1

so the point is (1,-1), graph C eliminated

so it's A

3 0

3 years ago

What is 54 percent as a fraction in simplest form

atroni [7]

54% is 54 out of 100.
There for the numerator is 54 and the denominator is 100.

$\frac{54}{100}$

Now, both the top and the bottom can be divided by 2. So:

$\frac{54~divided~by~2}{100~divided~by~2}$ = $\frac{27}{50}$

$\frac{27}{50}$ can't be simplified anymore, therefore, 27/50 is 54% as a fraction.

~Hope this helped :)

6 0

2 years ago

Read 2 more answers

Jose asks his friends to guess the higher of two grades he received on his math tests. He gives them two hints. The difference o

AlekseyPX

Answer : 96

x – y = 16 --------> equation 1

$\frac{1}{8} x +\frac{1}{2} y = 52$