Mathematics High School

The point A = (7,4) is dilated from the origin by a scale factor r = 3. What are the coordinates of A' ?

Answers

Answer 1

Given:

The coordinates of point A are (7,4).

It is dilated from the origin by a scale factor r = 3.

To find:

The coordinates of A'.

Solution:

If a figure is dilated from the origin by a scale factor k, then

[tex](x,y)\to (kx,ky)[/tex]

Here, the figure is dilated from the origin by a scale factor 3, so the rule of dilation is given by:

[tex](x,y)\to (3x,3y)[/tex]

Using this rule, we get

[tex]A(7,4)\to A'(3(7),3(4))[/tex]

[tex]A(7,4)\to A'(21,12)[/tex]

Therefore, the coordinates of point A' are (21,12).

Related Questions

What is the value of x?
12 in.
16 in.
20 in.
30 in.

Answers

It’s not 12 or 30 so it’s 20 or 16 and I’m pretty sure it’s 16
I’m pretty sure it’s 30 bro, I saw that 10 was 2/3 of 6 plus 6 so I did 2/3 of 12 which is 8 pus 12 making that 20 plus 10. It’s 30

HELPPP!!!! Will mark BRAINLIEST!!!!

Find the value of x then the measure of each angle.

(9x+28)

(5x+19)

Answers

Answer:

D

Step-by-step explanation:

gegehehehjwjwjwjwwk

Please help not hard please it's due today please

Answers

Answer:

The correct awnser is D.

Step-by-step explanation:

rise/run= 3/3

3/3=1

what is the x-coordinate of the solution to the system of linear equations?
x=3y - 8 2x+26=y

Answers

Answer:

ugyigyufyugui

Step-by-step explanation:

hgcvgkjvghvh

Identify the corresponding parts.
Angle P corresponds to angle
Angle C corresponds to angle
Angle K corresponds to angle
S
FZ
419
41
499
K.

Answers

Answer:

S,Z,F

Step-by-step explanation:

i just did it

Answer:

S,Z,F

Step-by-step explanation:

Did I do this correctly?

Answers

Answer:

yes

Step-by-step explanation:

you did it right

What is the equation for the line in slope-intercept form? ​

Answers

Answer:

5+4.6755.874+/

Step-by-step explanation:

ezz

Y= -2x-4 is the answer

please help quick it is due by 12 am

Answers

Don’t you have to flip the sign when you divide by a negative? So I think she’s wrong bc the answer should be d is less than or equal to 7.5

pls4sssssssssssssssssssssssss

Answers

if you are looking for the complete answer it is 4.142857... but for rounding to the nearest hundredth is it 4.14

3-y divided 5/8;y=3/7

Answers

Answer:

[tex] \frac{144}{35} [/tex]

Step-by-step explanation:

[tex]3 - \frac{3}{7} \div \frac{5}{8} [/tex]

[tex] \frac{18}{7} \div \frac{5}{8} [/tex]

[tex] \frac{144}{ 35} [/tex]

Is (5, 1) a solution to the equation y = x

Answers

Answer:

Yes

Step-by-step explanation:

Answer:

No, because the coordinates that the slope 1x would make don`t include (5, 1)

Note: A 'solution' implies a coordinate that the slope intersects with

If
f
(
1
)
=
3
f(1)=3 and
f
(
n
)
=
f
(
n
−
1
)
−
3
f(n)=f(n−1)−3 then find the value of
f
(
4
)
f(4).

Answers

I’m sorry but I don’t understand ^^

Help! I have no idea lol.

Answers

Answer:

75

Step-by-step explanation:

theres 100 girls

75 boys

add them and take away from 250= gives 75

2/5 of 250 is 100
3/10 of 250 is 75
100+75=175
250-175= 75
ANSWER= 75

solve the equation 5(2-y)+y=-6.

Answers

The answer is positive 4

To see which statement is true, plug in the value for B if B= 4.9

A. 3b=1.9
B. 6+ b=10.9
C. b/7=7
D. b-3=4.6

Answers

Answer:

B. 6+ b=10.9

Step-by-step explanation:

Mikhail delivers pizzas as a part-time job. He
works 5 hours a day, 3 days a week. Each day,
Mikhail is paid either $4 per pizza that he
delivers or $12 per hour, whichever daily amount
is higher. Mikhail delivered the following number
of pizzas: 18 on Friday, 26 on Saturday, and 11
on Sunday. What is Mikhail's rotai pay for these
3 days?

Answers

Answer:

I think it is $236

I'm sorry if it's wrong!

Step-by-step explanation:

Friday:

12 times 5 = 60

4 times 18 = 72

72 is higher

Saturday:

12 times 5 = 60

26 times 4 = 104

104 is higher

Sunday:

12 times 5 = 60

11 times 4 = 44

60 is higher

72 + 104 + 60 = 236

It costs $3.75 to buy 3/4 of a pound of walnuts how many pounds of walnuts can you purchase with 11.25

Answers

Answer: 2.25 or 2  1/4 pound of walnut

Step-by-step explanation: So here you need to figure out how many pound of walnut can you purchase with 1 dollar first. To do that, you need to -- 3.75 ÷ 3/4 which you can convert to 3.75 ÷ 0.75 and the answer would be 5.

Now if you do this -- 11.25 ÷ 5 = 2.25

So the answer is 2.25 or 2 and 1/4 pound of walnut

CAN YOU PLEASE HELP ME!!!!!!!!

Answers

Answer:

Step-by-step explanation:

Answer:

try desmos!

Step-by-step explanation:

put it into the desmos graphing calculator

PLEASEEEE HELPPP!!!Will mark brainliest

Find the value of x and measure of <) W.

7x+12

9x-6

Answers

Answer:

x = 9;  ∡W = 75°

Step-by-step explanation:

in a parallelogram, opposite angles are congruent

7x + 12 = 9x - 6

-2x = -18

x = 9

Find ∡W by substituting 9 for 'x':  7(9) + 12 = 63 + 12 = 75

the picture has the question helo if you know

Answers

Answer:

6, 24, 54 and 600

Step-by-step explanation:

To find the first 3 terms, substitute n = 1, 2, 3 into the formula, that is

6(1)² = 6 × 1 = 6

6(2)² = 6 × 4 = 24

6(3)² = 6 × 9 = 54

The first 3 terms are 6, 24, 54

Substitute n = 10 into the formula for 10th term

6(10)² = 6 × 100 = 600


Can someone plz help me with this

Answers

Answer:

no

Step-by-step explanation:

Amelia wants to buy 6 sausage Rolls. Each sausage rolls costs 84p.Amelia pays with a £20 note. Work out how much change Amelia will get from £20.

Answers

Answer:

14.96

Step-by-step explanation:

6*84p=£5.04

£20-£5.04=14.96

what is 4/3 divided by 5/4

Answers

Answer:

1.067

Step-by-step explanation:

Answer:

1.0666

Step-by-step explanation:

siri said so

Factor this polynomial completely.
x + 3x - 18
Please help

Answers

Answer:

B

Step-by-step explanation:

Given

x² + 3x - 18

Consider the factors of the constant term (- 18) which sum to give the coefficient of the x- term (+ 3)

The factors are + 6 and - 3 , since

6 × - 3 = - 18 and 6 - 3 = + 3, then

x² + 3x - 18 = (x - 3)(x + 6) → B

Pls help I’m bad at math no matter how much I try ..

Answers

Answer:

unproportional

Step-by-step explanation:

i need help with 3²x³y⁻²z³

Answers

Answer:

I'm not getting a valid answer for that

Which equation has infinitely many solutions?
A.

B.

C.

D.

Answers

You didn't include the equations.

Answer:

b.

give me a brainlist

Step-by-step explanation:

What’s half a ton??!
I’ll give points!!

Answers

1000 pounds ! Brainliest ?

Answer:

453.5924 kilograms

Step-by-step explanation:

i g00gled it :)

Please Help!!
I really need to pass

Answers

Answer:

None of these

Step-by-step explanation:

The lines aren't parallels so none of these property's can be applied

Ur answer is none of these

I WILL MARK BRANLIEST YALL HELP A STUDENT IN NEED

Answers

Hello! :)

[tex]\large\boxed{x = 4}[/tex]

In order for the figure to be a kite, each pair of opposite sides must be congruent. Therefore:

GL ≅ GT, and LO ≅ TO

We can solve for x by setting GL and GT equal to each other:

4x + 1 = 17

Subtract 1 from both sides:

4x = 16

Divide both sides by 4:

x = 4.

Verify that it satisfies LO ≅ TO:

6(4) - 3 = 21

24 - 3 = 21

21 = 21.

Therefore, x = 4.

Answer:

[tex]\huge\boxed{x=4}[/tex]

Step-by-step explanation:

Kites are quadrilaterals that have two pairs of two sides that are the exact same length. These sides will be adjacent to one another and therefore they will be the same value.

Looking at the question, we can see that the sides [tex]4x+1[/tex] and [tex]17[/tex] will be two pairs of equal length sides. Therefore, we can solve for x by setting the two equal to each other (as they both will be the same value)

[tex]4x+1= 17[/tex]

Now we can solve for x.

[tex]4x+1=17[/tex] [tex]4x=16[/tex] [tex]x=4[/tex]

We can double check this by testing in the same way with the second pair of equal sides, [tex]6x-3[/tex] and [tex]21[/tex].

[tex]6x-3= 21[/tex] [tex]6x=24[/tex] [tex]x=4[/tex]

Therefore, to make this figure a kite, x=4.

Hope this helped!

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