Answers
7384(x)748 (8967-888)
Answer: [tex](x,y) \to (4x,4y)[/tex] which is choice (3)
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Explanation:
The general transformation of [tex](x,y) \to (kx,ky)[/tex] describes a dilation with scale factor k. If k is not equal to 1, then the resulting image will not be the same size as the preimage.
In this case, k = 4. This means that the resulting image has its side lengths 4 times greater compared to the preimage side lengths. For example, if a side length is 5 units long in the preimage, then its corresponding length in the image is 5*4 = 20 units long.
If this is enlargement applied to all sides, then the perimeter also goes up by the same scale factor (since the perimeter is the sum of all exterior sides). The image perimeter will be four times that of the preimage perimeter.
In summary, if you apply a dilation (where k is not equal to 1), then the perimeter will change. If k > 1, then the perimeter gets larger. If 0 < k < 1, then the perimeter will shrink.
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Extra info:
Choice (1) describes a reflection over the line y = xChoice (2) is a reflection over the x axis.Choice (4) describes a translation of 2 units to the right and 5 units down.The transformations of reflections, translations, and rotations all are considered rigid transformations. This means that they keep the same size and shape. You can imagine the camera is moving around in some way and the shapes stay still (but give the illusion of movement). In other words, rigid transformations will keep the perimeter the same. Because of this, we can rule out choices (1), (2) and (4).Related Questions
Whoever can answer 11-2 in PEDMAS form pls do it.
Answers
Answer:
9
Step-by-step explanation:
11 - 2 = 9
The measures of two angles in a triangle are shown in the diagram.
48°
Which equation can be used to find the value of x?
Answers
Answer:
H is correct
Step-by-step explanation:
Find the solution to the system by graphing
Answers
Answer:
y = -3x + 1 (Red line)
y = x - 7 (Blue line)
Hi I need help with #9 please I’m not sure what I’m supposed to do on this
Answers
Answer:
assuming ABCD is a parallelogram angleB+angleA=180°
Step-by-step explanation:
118°+2x+7+9x-33=180
125+11x-33=180
92+11x=180
11x=180-92
11x=88
x=88/11
x=8
✌
You can buy 3 apples at the Quick Market for $1.29. You can buy 5 apples at Stop and Save for $2.50. Which place is the better buy?
Answers
Answer:
Quick Mart
Step-by-step explanation:
3 apples for $1.29 equals about 43 cent per apple, while the apples at Stop and Save are 50 cent per apple
Answer:
the quick market
Step-by-step explanation:
the quick make is the better buy because you get each apple for .43 and at stop and save you get each apple for .50
..................Help please!
Answers
Answer:
with
Step-by-step explanation:
what
Which side lengths form a right triangle?
Answers
The answer is A. 4, [tex]\sqrt{8}[/tex], 24
pls help with this problem!
Answers
Answer:
X=11
b. 30
c. 30
Step-by-step explanation:
My soccer team has 16 players. I have to choose a starting lineup of a goalie and 10 regular players (the regular players are interchangeable). How many different starting lineups can I choose?
Answers
Answer:
48048
Step-by-step explanation:
Total number of players = 16
Selection to be made :
1 goalie ; 10 players
Hence ;
Choosing 1 goalie from 16 players :
16C1
Choosing 10 players from the remaining (16 - 1), 15 players
15C10
Hence,
16C1 * 15C10
16 * 3003
= 48048
Please help I'm really bad at math. I will mark you brainliest if you get the answer right.
Answers
Answer:
A & D
Step-by-step explanation:
A. 9(3x-1) = 27x-9 ✔
B. 27x-1(9) = 243x-9 ❌
C. 27(x-9) = 27x-243 ❌
D. 3x-1(9) = 27x-9 ✔
E. 9(27x-1) = 243x-9 ❌
F. x-9(27) = 27x-243 ❌
Tim has completed five math problems and 13 minutes if he continues at the same rate how long will it take him to finish 20 problems
Answers
Answer:
52 minutes
Step-by-step explanation:
it takes him 13 minutes to complete 5 so if he wants to do 20 problems do 20 divided by 5 (4) then do 13 times 4=52
Can the sides of a triangle have lengths 6, 13, and 14?
Answers
Answer:
Step-by-step explanation:
No; . The sum of the lengths of any two sides of a triangle must be greater than the length of the third side.
The ratio of men to women in the astronomy club is 3 to 2. The club has
60 members. How many club members are women?
Answers
Answer:24
Step-by-step explanation:
What number is this? 5⋅10.2+3
Answers
Answer:
5×10.2+3
=51+3
=54
hope it helps!!
What is the value of the expression?
2 x[(-6 + 4) X (5 + 9) - 3]
Answers
Answer:
- 62
Step-by-step explanation:
Calculate the sums within the brackets first and then multiplication, as stated by the BOMDAS rule.
B = Brackets
O = ?
M = Multiplication
D = Division
A = Addition
S = Substitution
(- 6 + 4) = -2
(5 + 9) = 14
- 2 × 14 = -28
- 28 - 3 = - 31
2 × - 31 = - 62
Disclaimer: I am not sure if one of the x's is used as a variable or not
Walmart is selling 100 mL tubes of toothpaste for $1.79 or 150 mL of toothpaste for $2.19. Which is the better buy?
Answers
Answer:
1.79/100mL = 0.0179
2.19/150mL = 0.0146
so, look at the end numbers
0.0179
0.0146
0.0146 is less than 0.0179
soo, $2.19 / 150mL = 0.0146 is the better buy...
can i be brianiest...
Can you please tell me the equation to solve for x
Answers
Answer:
53 + 67 + x = 180
Step-by-step explanation:
Answer:
180 = 53 + x + 67
(A straight line equals 180°)
good luck, hope this helped :)
answers to this question
8
2.5
12
3
Answers
Answer:
3 = ?
Step-by-step explanation:
The triangles are similar, so we can use ratios
15 12 -2
------ = --------------
15+? 12
15 10
------ = --------------
15+? 12
Using cross products
15 * 12 = 10 ( 15+?)
180 = 10 ( 15+?)
Divide each side by 10
18 = 15+?
Subtract 15 from each side
18-15 = 15+?-15
3 = ?
The radius of a circle can be approximated using the expression √(A/3). A circular kiddie swimming pool has an area about 28 square feet. An inflatable full-sized circular pool has an area of about 113 square feet. How much greater is the radius of the full-sized pool than the radius of the kiddie pool? round to the nearest whole number.
It says Hint: First find the radius of each pool by substituting for A in the expression. Divide by 3 before approximating square root.
Answers
Answer:
yeah I know you are literally perfect for you to be home
By using the expression to approximate the radius of a circle, we want to compare the radius of the two pools. We will find that the radius of the full-sized pool is 2 times larger than the radius of the kiddie pool.
The expression for the radius of a circle is:
R = √(A/3)
Where A is the area of said circle.
The circular kiddie swimming pool has an area of 28ft^2, we just replace that in the above expression to get:
R = √(28 ft^2/3) = 3 ft
The full-sized pool has an area of 113 ft^2, then its radius is:
R' = √(113 ft^2/3) = 6 ft
To see how much greater is the radius of the full-sized pool than the radius of the kiddie pool, we just take the quotient:
R'/R = 6ft/3ft = 2
Meaning that the radius of the full-sized pool is 2 times larger than the radius of the kiddie pool.
If you want to learn more, you can read:
https://brainly.com/question/20767796
Emelina took a bus to seattle to vist her brother. The bus traveled 636 miles in 12 hours . At this rate, How far did the bus travel in 3 hours?
Answers
Answer:
17.6
Step-by-step explanation:
Answer:
159 miles or if it is in total it is 795
Step-by-step explanation:
Describe the lines in the figure below identify the figure
Answers
Answer:
The lines are congruent, the figure is a parallelogram.
Answer:
The figure shown is a parallelogram.
The lines on the sides are parallel
And the line on the top and the line on the bottom are parallel
Step-by-step explanation:
Joyville has a population of 20,750 people.
Its population is increasing at a rate of 2.7%
each year?
Answers
I just used a calculator.. and put ( 20,750 + 2.7% = 560.25) so hopefully that helps!
HELP ASAP GIVING BRAINLIEST!!!
Answers
Answer:
Ok???????????????????
What is 26% of $3,000
Answers
-4
-3
-2
-1
0
1
2
3
what is the inequality shown
Answers
Answer:
Ok, I'm pretty sure its -4
Can you help me pls and thank you
Answers
Answer:
80%
Step-by-step explanation:
If you do 4 divided by 5 it equals 0.8, which is 80%
Answer:
The answer is 80%
Step-by-step explanation:
2 to the power of 4 x 2 to the power of 5 =
Answers
Answer:
Answer is 512.
Step-by-step explanation:
I hope it's helpful!
Please do number 16 for me.
Answers
Answer: m∠5 = 75°.
Step-by-step explanation:
We know that lines A and B are parallel, and angles 1 and 5 are formed by the same line intersecting the parallel lines.
We know that:
"When a line intersects two parallel lines, corresponding angles are formed, such that we could think on four quadrants, the angles in each quadrant are equivalent between them"
Well, here we can see that angle ∠1 and angle ∠5 are formed by the same line, and both are in the same quadrant (would be the third quadrant if we use standard notation)
Then the measure of ∠1 is the same as the measure of ∠5
And we know that m∠1 = 75°
Then we must have that m∠5 = 75°.
Magazine ask readers to call in their opinion regarding the amount of advertising in present issue what sampling is it
Answers
Answer:
Convenience
Step-by-step explanation:
The convenience sampling method is defined as the non probability sampling method in the sample of the survey is taken from such a group that is easy to reach or contact. Here the sample is taken from the people that are close to hand. It is useful for the pilot testing.
In the context, the magazine publishers asks the sample of people to call and inform about their views on the amount of the advertisements in the present issues. The sample taken will be easy to reach and easy to contact. This type of sampling taken is called the convenience sampling.
Penny, Amjit and James share some money in the ratio 3 : 6 : 4
Amjit gets $28 more than James.
Work out the amount of money that Penny gets.
Answers
Answer:
$42
Step-by-step explanation:
Let the amounts received by Penny, Amjit and James be 3x, 6x and 4x respectively.
According to the given information:
Amount received by Amjit = Amount received by James + 28
So,
6x = 4x + 28
6x - 4x = 28
2x = 28
x = 28/2
x = 14
Amount of money received by Penny = 3x = 3*14 = $42