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3 years ago

Which transformation will change figure a to figure b

Mathematics

2 answers:

Stells [14]3 years ago

8 0

Answer:

I believe it would be the first choice. Rotate 180 degrees about the origin, dilate by a scale factor of 2/3

Step-by-step explanation:

vazorg [7]3 years ago

5 0

It’s the first one.............

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In ΔPQR, p = 570 cm, r = 650 cm and ∠R=21°. Find all possible values of ∠P, to the nearest 10th of a degree.

ZanzabumX [31]

sorri no se _______________________________

Step-by-step explana

5 0

3 years ago

Which expressions are equivalent to (2^2-9) (x + 3)?

mestny [16]

Answer:

$(x^2-3^2)(x+3)$

$(x-3)(x+3)(x+3)$

$(x-3)(x+3)^2$

Step-by-step explanation:

Given

$(x^2-9)(x+3)$

Required

Select 3 equivalent expressions

$(x^2-9)(x+3)$

Express 9 as 3^2

$(x^2-3^2)(x+3)$ --- This is one equivalent expression

Take $x^2 - 3^2$ as difference of two squares

$(x-3)(x+3)(x+3)$ -- This is another equivalent expression:

Solving further:

$(x-3)(x+3)(x+3)$ becomes

$(x-3)(x+3)^2$ -- This is another equivalent expression:

Hence, the equivalent expressions are:

$(x^2-3^2)(x+3)$

$(x-3)(x+3)(x+3)$

$(x-3)(x+3)^2$

7 0

3 years ago

Help anyone can help me do this question 3,I will mark brainlest.

malfutka [58]

Answer:

see explanation

Step-by-step explanation:

Calculate the slopes between pairs of the 3 points using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (- 9, 3) and (x₂, y₂ ) = (- 3, 9)

m = $\frac{9-3}{-3-(-9)}$ = $\frac{6}{-3+9}$ = $\frac{6}{6}$ = 1

Repeat with (x₁, y₁ ) = (5, 1) and (x₂, y₂ ) = (- 3, 9)

m = $\frac{9-1}{-3-5}$ = $\frac{8}{-8}$ = - 1

If lines are perpendicular then the product of their slopes = - 1 , then

1 × - 1 = -1

Thus there is a right angle between the 2 lines

Then triangle is right- angled

8 0

3 years ago

Which expression is equivalent to 3x + 5 y + y - 2y

LuckyWell [14K]

Answer:

Step-by-step explanation:

3x+5y+y-2y = 3x +y(5+1-2)

= 3x +4y

6 0

3 years ago

Y-3x=13 for y can someone please help me

stepan [7]

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$y - 3x = 13$

Add sides 3x

$y - 3x + 3x = 13 + 3x$

$y = 13 + 3x$

$y = 3x + 13$

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8 0

3 years ago