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AysviL [449]
3 years ago
9

Help please........................

Mathematics
1 answer:
Akimi4 [234]3 years ago
3 0
 A rotation will interchange the (x,y) coordinates to (y, -x)
So the 3 points are transformed from
D(3,2) to D'(2,-3)
E(4,5) to E'(5,-4)
F(2,3) to F'(3,-2) 

Now if you reflect these across the x axis only the y value is affected.
D'(2,-3) to D"(2,3)
E'(5,-4) to E"(5,4)
F'(3,-2) to F"(3,2)

Which is none of your answers. That's one of the reasons it has taken me so long to answer. I'm going to have someone I really trust check what I've done, but I think the question is incorrect. If I am wrong, he has the power to allow me to edit.

You might be interested in
A quadrilateral has angles 60,60,120 and 120
slavikrds [6]

Answer:

<h2><u><em>Rhombus</em></u></h2><h2><u><em>Isosceles Trapezium</em></u></h2><h2><u><em>Parallelogram</em></u></h2>

Step-by-step explanation:

A quadrilateral has angles 60,60,120 and 120

write down the names of three possible quadrilaterals that can have these angles

  1. Rhombus
  2. Isosceles Trapezium
  3. Parallelogram
4 0
2 years ago
Please help me please
anastassius [24]

Answer:

SAS similarity theorem

Step-by-step explanation:

Both the triangles are similar by SAS similarity theorem.

5 0
3 years ago
Steve works two different jobs for a total of 60 hours every Monday through Friday schedule is the same each day and he works th
Semenov [28]

Answer:

Step-by-step explanation:

Steve works:

- 60 hour per week = 12 hours per day (60/5)

- first job: 3 hours per day = 15 hours per week

- x = second job hours per day

equitation:

1st option to calculate:

12 (total hours per day) = 3 (hours per day on first job) + X

9 = X

2nd option to calculate:

60(total hours per week) = 15 (3 hours per day x 5) + x

45 = x

you need to divide 45 / 5 to get the daily hours which is 9

4 0
3 years ago
Question 4
lawyer [7]

Answer:

18ft

Step-by-step explanation:

L = length

W = width

l = w + 2ft ; because the is 2 ft longer than width

The area of a rectangle is lw

You can take the first equation ( l = w + 2 ) and plug it in lw

like this: lw ---> (w+2)w = w^2+2w

then from the question you get: w^2+2w=19.25

you use the quadratic formula and get w = 3.5

then from the first equation, you get l = 3.5+ 2 so the length is 5.5

lastly, you use the perimeter formula: 2(l+w) so 2(9) = 18

so 18ft

3 0
3 years ago
What is 50% of 42.88
djverab [1.8K]
To find 50 percent, you multiply the number by 0.5 (for 30%, 0.3 etc.).
42.88 * 0.5 = 21.44
5 0
4 years ago
Read 2 more answers
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