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3 years ago

30 points!!!

Mathematics

1 answer:

tino4ka555 [31]3 years ago

4 0

The first one is the 5th tile and the second one is the 3rd tile

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What single transformation maps ∆ABC onto ∆A'B'C'? A. rotation 90° clockwise about the origin B. rotation 90° counterclockwise a

Klio2033 [76]

Answer:

B. rotation 90° counterclockwise about the origin.

Step-by-step explanation:

Transformation is the process by which the size or orientation of a given figure is altered without any effect on its shape. Examples are; rotation, reflection, translation and dilation.

Rotation is the process of turning a figure about a reference point called the origin. While reflection is turning a figure about a line to produce its image.

In the given question, ∆ABC is mapped onto ∆A'B'C' by rotating it at 90° counterclockwise about the origin.

8 0

3 years ago

Read 2 more answers

What is the equation of the line passing through the points (Two-fifths, StartFraction 19 Over 20 EndFraction) and (one-third, S

Neporo4naja [7]

Answer:

y = one-half x + three-fourths

Step-by-step explanation:

The 2-point form of the equation of a line can be used for starters.

y = (y2 -y1)/(x2 -x1)(x -x1) +y1

y = (11/12 -19/20)/(1/3 -2/5)(x -2/5) +19/20 . . . . fill in given values

y = ((55 -57)/60)/((5 -6)/15)(x -8/20) +19/20 . . simplify a little

y = (-1/30)/(-2/30)(x -8/20) +19/20 . . . . . . . . . . and a little more ...

y = 1/2x -4/20 +19/20

y = 1/2x +15/20

y = 1/2x +3/4 . . . . line in slope-intercept form

8 0

3 years ago

Read 2 more answers

Share £480 in the ratio 2:3:7

aleksandr82 [10.1K]

£480

2:3:7 = 2+3+7 = 12

2
--- 0f £480 = £80
12

3
--- of £480 = £120
12

7
--- of £480 = £280
12

answer = £80 : £120 : £280

5 0

3 years ago

What are the factors of 36xyz? A. 36,x,y B. 36x,y,z C. x,y,z D. 36,x,y and z

mixas84 [53]

Answer:

Step-by-step explanation:

8 0

3 years ago

Point R is on line segment QS. Given QS= 5x-2, QR= 3x-6, and RS=4x-2, determine the numerical length of RS.

pashok25 [27]

Answer:

The numerical length of RS is 10 units

Step-by-step explanation:

* Lets explain How to solve the problem

- Point R is on line segment QS

- The length of QS is (5x - 2)

- The length of QR is (3x - 6)

- The length of RS is (4x - 2)

- The length of QS is the sum of the lengths of QR and RS

∵ QS = QR + RS

∴ (5x - 2) = (3x - 6) + (4x - 2)

- Simplify the right hand side by adding like terms

∴ 5x - 2 = (3x + 4x) + (-6 + -2)

∴ 5x - 2 = 7x + -8 ⇒ (+)(-) = (-)

∴ 5x - 2 = 7x - 8

- Add 8 for both sides

∴ 5x + 6 = 7x

- Subtract 5x from both sides

∴ 6 = 2x

- Divide both sides by 2

∴ x = 3

- To find the length of RS substitute the value of x in its expression

∵ RS = 4x - 2

∵ x = 3

∴ RS = 4(3) - 2 = 12 - 2 = 10

∴ The numerical length of RS is 10 units

8 0

3 years ago