All categories

3 years ago

Pls help.

Mathematics

1 answer:

Aleonysh [2.5K]3 years ago

4 0

The point C at a coordinate of (-3, 4) is the center of dilation of shapes WXYZ to W'X'Y'Z'

<h3>How to determine the center of dilation?</h3>

The coordinates are given as:

W = (-4, 3) X = (-2, 3) Y = (-4, 1) Z = (-2, 1)
W' = (-6, 1) X' = (0, 1) Y' = (-6, -5) Z' = (0, -6)
A = (-5, 4) B = (-3, 6) C = (-3, 4) D = (-1, 4)

Next, we plot the points on a coordinate plane

From the plane (see attachment), we can see that the point C at a coordinate of (-3, 4) is at the center of both shapes, and it is 1 unit from WXYZ and 3 units from W'X'Y'Z'.

Hence, the point C is the center of dilation

You might be interested in

Mattias bought a package of 5 notebooks for $13.95. What is the unit price per notebook?

Marysya12 [62]

Answer:

2.79

Step-by-step explanation:

this solution:

5x=13.95

x=13.95/5

x2.79

so answer is 2.79

5 0

3 years ago

Read 2 more answers

. Place the parenthesis in the correct place to make the expression below true. 19 - 8 * 10 + 4 + 8² = 178

r-ruslan [8.4K]

Answer:

19 - (8) * (10) + 4 + 8² = 178

3 0

3 years ago

Martin has a total of 19 nickels (50.05) and dimes ($0.10) worth $1.65. How many of each type of coin does he have?

mezya [45]

Answer: 19nickels and 7dimes.

Ps i really don’t know where the 50.05 came from if it is suppose to be there then I really don’t know how to solve this.

Step-by-step explanation:

Ok so if you know that there are 19nickels, let n=number of nickels.

The number of total coins subtracted by number of nickels will give you number of dimes.

165-number of nickels=number of dimes

Value of dimes=10(number of dimes) or total value of dimes/individual value (10cent)

Then you can substitute total as $1.65 and get the value of nickels by multiplying by 5cent ( my teacher taught me using whole numbers to make it easier so I turned $1.65 to 165 cent). Since the value of the dimes is the value of nickels subtracted from the total, I can subtract 95 from 165 and divide the difference by 10, to get the number of dimes.

5(n)=5(19)=95

(165-95)/10=number of dimes

70/10=7dimes

You can check by multiplying 7x10 and 5x15 again and adding them together to see if they equal 165 cent.

4 0

3 years ago

WILL GIVE BRAINLIEST + MAX POINTS!!!

ElenaW [278]

Answer:

Step-by-step explanation:

a pic would help :(

Sara is working on a Geometry problem in her Algebra class.

The problem requires Sara to use the two quadrilaterals below to answer a list of questions.

Part A: For what one value of are the perimeters of the quadrilaterals the same?

(Hint: The perimeter of a quadrilateral is the sum of its sides.)

Part B: For what one value of are the areas of the quadrilaterals the same?

(Hint: The area of a quadrilateral is the product of its base and height.)

8 0

3 years ago

Read 2 more answers

Write a polynomial as the sum of the monomials and write it in standard form. For each of the above specify the degree of the re

klio [65]

Answer:

2b³ +2a -2c . . . . degree 3 polynomial

Step-by-step explanation:

The monomials are ...

... 4a . . . . degree 1 in a

... -5b·b² = -5b³ . . . . degree 3 in b

... -3c . . . . degree 1 in c

... 7b³ . . . . degee 3 in b (like term with -5b³)

... +c . . . . degree 1 in c (like term with -3c)

... -2a . . . . degree 1 in a (like term with 4a)

So, we have 3 pairs of like terms. The like terms can be combined by summing their coefficients.

The degree of the polynomial is that of the highest-degree term. (Here, the b³ term makes it a polynomial of degree 3.)

... 4a -2a = (4-2)a = 2a . . . . combining the "a" terms

... -5b³ +7b³ = (-5+7)b³ = 2b³ . . . . combining the b³ terms

... -3c +c = (-3 +1)c = -2c . . . . combining the "c" terms

In standard form, we write the highest-degree term first. Follwing terms are in order by decreasing degree. It is convenient, but perhaps not required, to then write the terms of the same degree in alphabetical order.

... = 2b³ +2a -2c . . . . a 3rd degree polynomial

7 0

3 years ago