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SIZIF [17.4K]
4 years ago
13

Please help me. This is so confusing.

Mathematics
2 answers:
MrMuchimi4 years ago
6 0
<span>
The vertices of a polygon are given as follows: P(-2,4), Q(4,2), R(4,0); S(-12,0); k = 0.5 Find the coordinates of the vertex P' of the image after a dilation having the given scale factor. Type your answers as a coordinate pair in this format: (x,y)</span>
Mumz [18]4 years ago
3 0
If the center of dilation is the origin, you can just multiply each coordinate by the scale factor to find the new values.

P' will be (-1, 2)

If the center of dilation isn't the origin, my answer is invalid.
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Emilio’s pay varies directly with the number of sales he makes. He made 22 sales and earned $154.
Vinil7 [7]
154/22 sales = $7/sale 
<span>$7/sale(35 sales) = $245 </span>
<span>He will earn $245 for 35 sales.</span>
7 0
3 years ago
Read 2 more answers
Solve the system of equations. <br>5y-4x = -7 <br>2y+4y = 14​
timofeeve [1]

Answer:

5y-4x= -7 :

Slope = \frac{1.600}{2.000} = 0.800

<em>x </em>- <em>intercept =  </em>\frac{7}{4} = 1.75000

<em>y - intercept =  - </em>\frac{7}{5} =  -1.40000  <------both of these numbers a negative

----------------------------------------------

2y+4y = 14 :

<em>y = </em>\frac{7}{3} = 2.333

----------------------------------------------

<em>Hope this helped & good luck <333</em>

3 0
3 years ago
I don't know i just need help with this quiz ok
ololo11 [35]
The answer is 73....
5 0
3 years ago
Solve this equation 90x-60y is equal to 68 and 90x-70y is equal to 91​
Tanzania [10]

Answer:

Step-by-step explanation:

90x - 60y = 68.....multiply by -1

90x - 70y = 91

---------------------------

-90x + 60y = -68 (result of multiplying by -1)

90x - 70y = 91

---------------------------add

-10y = 23

y = -23/10 <===

90x - 60y = 68

90x - 60(-23/10) = 68

90x + 138 = 68

90x = 68 - 138

90x = - 70

x = -70/90

x = -7/9 <=====

3 0
4 years ago
Read 2 more answers
Can someone help me with this please? Thank you!
Finger [1]

Answer:

528 cm²

Step-by-step explanation:

First I would calculate the area of the side rectangles:

20 x 9 = 180 cm²

There are two identical rectangles on both sides so i would x2

180 x 2 = 360 cm²

The area of the middle rectangle:

6 x 20 = 120 cm²

The area of the triangles:

Area of a triangle = (Base x Height)/2

8 x 6 = 48

48 ÷ 2 = 24

There are two identical triangles on the bottom and the top so x2

24 x 2 = 48

Now add all the values up:

360 + 120 + 48 = 528 cm²

I hope this helps!

5 0
2 years ago
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