1. Which of the following are sets? Justify your answer.

(a) The collection of all the days in a week beginning with the letter "T".

(b) The collection of all difficult questions in the chapther on sets.

(c) The collection of girls in your class.

(d) The collection of all vers in India.

(e) The collection of all active teachers in the school

(f) The collection of all integers more than 3.

(g) The collection of all beautiful lower in the park. the chapter on sets.

Do you have the whole question? The problem that you gave does not have a problem....

Answer:

ITS IS D (4,-3)

Step-by-step explanation:

Ap ex

The coordinates of M is M’(4,-3).

Rotation means the circular movement of an object around a center. It is possible to rotate different shapes by an angle around the center point.

Given:

LMNP is rotated 90° clockwise around the origin.

If we rotate the figure in LMNP  about 90 degrees then the coordinates will change into

(x, y)  to (y, -x).

As, x= 3, y=4

Hence, the coordinates of M is M’(4,-3).

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Answer:

C'(4, 4)

Step-by-step explanation:

Transformation is the movement of a point from its initial location to a new location. Types of transformation are reflection, rotation, translation and dilation.

Dilation is the enlargement or reduction in size of a figure. If a figure with point A(x, y) is dilated by a scale factor of k, the new point would be at A'(kx, ky).

Given that quadrilateral ABCD is dilated by a scale factor of 1/2 to form quadrilateral A'B'C'D'.

The vertices of quadrilateral ABCD is given by A(2, 2), B(4, 8), C(8, 8) and D(6, 4).

If quadrilateral ABCD is dilated by 1/2 to form quadrilateral A'B'C'D, the vertices of quadrilateral A'B'C'D would be A'(1, 1), B'(2, 4), C'(4, 4) and D'(3, 2).

Answer:

x=10

Step-by-step explanation:

Simplifying

1.5x + 3 = 18

Reorder the terms:

3 + 1.5x = 18

Solving

3 + 1.5x = 18

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-3' to each side of the equation.

3 + -3 + 1.5x = 18 + -3

Combine like terms: 3 + -3 = 0

0 + 1.5x = 18 + -3

1.5x = 18 + -3

Combine like terms: 18 + -3 = 15

1.5x = 15

Divide each side by '1.5'.

x = 10

Simplifying

x = 10

Answer:

45t=d

Step-by-step explanation:

Answer:

d=45t

Step-by-step explanation:

d = total distance

t = amount of hours

Total Distance = 45 × Amount of Hours

EX: 135=45(3)

[tex]p=mv=450\mathrm{kg}\cdot15\mathrm{\frac{m}{s}}=6750\mathrm{\frac{kgm}{s}}[/tex].

Hope this helps.

Answer:

[tex]3x+10\leq 30\\Subtracting~10~on`both~sides,\\3x+10-10\leq 30-10\\or, 3x\leq 20\\Dividing ~by~3~on~both~sides,\\\frac{3x}{3}\leq \frac{20}{3}\\or, x\leq \frac{20}{3}[/tex]

The value of the inequality is x ≤ 20/3

Inequalities are the mathematical expressions in which both sides are not equal. In inequality, unlike in equations, we compare two values. The equal sign in between is replaced by less than (or less than or equal to), greater than (or greater than or equal to), or not equal to sign.

In an inequality, the two expressions are not necessarily equal which is indicated by the symbols: >, <, ≤ or ≥.

Given data ,

Let the inequality equation be represented as A

Now , the value of A is

Substituting the values in the equation , we get

3x + 10 ≤ 30   be equation (1)

On simplifying , we get

Subtracting 10 on both sides , we get

3x ≤ ( 30 - 10 )

3x ≤ 20

Divide by 3 on both sides , we get

x ≤ 20/3

x ≤ 6.333

Therefore , the value of x is less than or equal to ( 20/3 )

Hence , the inequality is x ≤ 20/3

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Step-by-step explanation:

no, we have no way to prove that they are equal. is DEF equaled JKL then ABC would be equal to it, but it's not

Answer:

(-3, -1) (-2, 3)

(-2, 3) (-2, 3)

Step-by-step explanation:

Answer:

I think this is your answer _. 4 ×( _ 2°3)

Answer:

It would be $465 marked up.

Step-by-step explanation:

55% of 300 is 165.

So marked up its 465 and marked down its 135.

Answer:

the answer is yes vfmkvfmfmkrkfm

Step-by-step explanation:

Answer:

7.167 times 10 to the power of 6

Step-by-step explanation:

71670000

Step-by-step explanation:

[tex] log_{x}(16) = 2 \\ 16 = {4}^{2} \\ x = 4[/tex]

Answer:

Thats a test, dont cheat

Step-by-step explanation:

Answer:

286

surface area = 2 · (h · d + h · w + d · w)  

Answer:

The answer is A and C  

Step-by-step explanation:

4(10%) and 10% + 10% + 10% + 10%

Answer:

A And C

Step-by-step explanation:

A. 4(10)

C. (10% +10%+10%10%

Answer:

Step-by-step explanation:

iasss

Answer:

Step-by-step explanation:

Each figure adds four boxes to the bottom.

(1) The preceding figure, figure zero would have no rows of four and would thus just have two boxes.

(2) Each figure adds four boxes and started with two so

y(x)=4x+2

(3)

y(22)=4(22)+2

y(22)=88+2=90

Answer:

[tex]9x+15[/tex]

Step-by-step explanation:

[tex]3(3x) + 3(5)[/tex] separate the terms

[tex]9x + 15[/tex]  multiply each term by 3

Answer:    

distributive property    

9x+15    

Step-by-step explanation:    

The distributive property is whenever you have () and distribute until you have zero of these ()

The equivalent expression simply means write this equation differently.

Give instructions about sound, lighting etc

Answer:

15 cm hope it helps thank you

The area of the trapezium for the given figure is 35 cm².

A trapezium is a quadrilateral with four sides where two sides are parallel to each other.

We have,

The area of the trapezium.

= 1/2 x (sum of the parallel sides) x height

Now,

Parallel sides = 6cm and 8cm

Height = 5 cm

Now,

Area.

= 1/2 x (6 + 8) x 5

= 1/2 x 14 x 5

= 35 cm²

Thus,

The area of the trapezium is 35 cm².

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Answer:

x = 0.6

Step-by-step explanation:

6x + 11 = 21

subtract 11 from both sides

6x = 10

divide by 6 on both sides

x = 0.6

Answer:

13/20 Hours

Step-by-step explanation:

you have to find a common denominator. (20) You do 4x5 and 5x4 both equal 20. Then you do 1x5=5 and 2x4=8 then 8+5=13  then you make your fraction which is 13/20.

Answer:

t=5

Step-by-step explanation:

180-86-34=60

60/12=5

Answer:

A, C, and E are your answers

Answer:

I did it and is 36

Step-by-step explanation:

Answer:

The first one: 28

Step-by-step explanation:

The total number of people who like cooking is 20 people while 48 people like to read.

48-20 is 28