MATHEMATICS MIDDLE SCHOOL

Triangle M' is the image of triangle M under a dilation.What is the center of the dilation?
A
B
C
D
Triangle M' is the image of triangle M under a - 1

Answers

Answer 1
Answer:

Since triangle M' is the image of triangle M under a dilation, the center of the dilation is: B. B.

What is dilation?

In Mathematics and Geometry, a dilation is a type of transformation that is used for altering the dimensions of a geometric figure, but not its shape.

Generally speaking, the coordinates of the pre-image can be dilated by using a scale factor that is centered at the point B by using this mathematical expression:

(x, y)  →  (k(x - a) + a, k(y - b) + b)

In conclusion, the center of the dilation would be at point B when the three vertex of both triangle M' and triangle M are connected.

Read more on dilation here: brainly.com/question/11812796

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Answer 2
Answer:

Answer:

B

Step-by-step explanation:

trust me

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Chin bought 12 pounds of apples for $6 use the ratio table to find the cost of buying 3 pounds of apples

Answers

If you simplify 12 over 6, you get 2 pounds for $1. And it is 50 cents for one pound, so you need to find it for 3 pounds. It would be $1.50

Luke spendsA total of $41 on three drinks and 10 bags of popcorn Christopher spend a total of $11 on two drinks and two bags of popcorn right assessment equations that can be used to find the price of one using these equations determine the state the price of the bag of popcorn to the nearest cent

Answers

System of equations that can be used to find the price of one drink and the price of one bag of popcorn is:

3d + 10p = 41

2d + 2p = 11

Price of a bag of popcorn is $ 3.5

Solution:

Let "d" be the price of one drink

Let "p" be the price of 1 bag of popcorn

Luke spends total of $41 on three drinks and 10 bags of popcorn

3 drinks x price of one drink + 10 bags of popcorn x price of 1 bag of popcorn = 41

3 * d + 10 * p = 41

3d + 10p = 41 ------ eqn 1

Christopher spend a total of $11 on two drinks and two bags of popcorn

2 drinks x price of one drink + 2 bags of popcorn x price of 1 bag of popcorn = 11

2 * d + 2 * p = 11

2d + 2p = 11 ------- eqn 2

Eqn 1 and eqn 2 represents system of equations that can be used to find the price of one drink and the price of one bag of popcorn

Let us solve eqn 1 and eqn 2 to find values of "d" and "p"

Multiply eqn 2 by 5

10d + 10p = 55 --- eqn 3

Subtract eqn 3 from eqn 1

3d + 10p = 41

10d + 10p = 55

(-) ------------------------

-7d = -14

d = 2

From eqn 2,

2d + 2p = 11

2(2) + 2p = 11

4 + 2p = 11

2p = 7

p = 3.5

Thus price of 1 bag of popcorn is $ 3.5 and price of one drink is $ 2

Write an equation of the circle with center (5, 2) and diameter 12.

Answers

Answer:

(x-5)^2 + (x-2)^2 = 6^(2)

Step-by-step explanation:

Standard equation of a circle is

(x-x_(0))^2-(y-y_(0))^2 = r^2\nr=(1)/(2)d

As the radius is half of the diameter we can divide 12 by 2 to get a radius, then we can input values into this equation.

What is y divided by 2; y=4

Answers

y/2=?
y=4
4/2=2
so y divided by 2 is 2.
Have a nice day!!~~~ ^-^

Can someone plz help me with #4-8, I don't understand that much I already finished #1-3

Answers

4. y=-2x-2
5. y=2x-1
6. y=2x-4
7. y=-x
8. y=0+1-1.5

Eric and Charles are on their high school track and field team. Eric is participating in hurdles and the javelin. For every 5 hours that Eric spends practicing hurdles, he practices the javelin for 1.5 hours. Charles is participating in a relay race and the javelin. For every 5 hours that Charles spends practicing for the relay race, he practices the javelin for 2.5 hours.If Eric practiced hurdles for 15 hours last week, and Eric and Charles practiced javelin for the same amount of time, then how long did Charles practice for the relay race last week?
A.
7.5 hours
B.
4.5 hours
C.
9 hours
D.
18 hours
Reset Submit

Answers

15 hours/ 5 hours = 3

3 x 1.5 hours = 4.5 hours

Eric practiced javelin for 4.5 hours.

Charles practiced javelin the same, so 4.5 hours.

4.5 / 2.5 = 1.8

5 hours x 1.8 = 9 hours

Charles practiced relay for 9 hours.

Answer is C. 9 hours

Answer:

answer is a

Step-by-step explanation:
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