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julsineya [31]
2 years ago
10

How do i solve this and whats the answer v

Mathematics
1 answer:
emmainna [20.7K]2 years ago
4 0
Use Desmos it’ll explain all of that stuff
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The sum of two numbers is 56 the difference is 4 find the two numbers
belka [17]

Answer:

30 and 26

Step-by-step explanation:

30 plus 26 is 55

30 minus 26 is 4

6 0
3 years ago
PLEASE HELP ME
balandron [24]

Answer:

  • The sequence of transformations that maps triangle XYZ onto triangle X"Y"Z" is <u>translation 5 units to the left, followed by translation 1 unit down, and relfection accross the x-axis</u>.

Explanation:

By inspection (watching the figure), you can tell that to transform the triangle XY onto triangle X"Y"Z", you must slide the former 5 units to the left, 1 unit down, and, finally, reflect it across the x-axys.

You can check that analitically

Departing from the triangle: XYZ

  • <u>Translation 5 units to the left</u>: (x,y) → (x - 5, y)

  • Vertex X: (-6,2) → (-6 - 5, 2) = (-11,2)
  • Vertex Y: (-4, 7) → (-4 - 5, 7) = (-9,7)
  • Vertex Z: (-2, 2) → (-2 -5, 2) = (-7, 2)

  • <u>Translation 1 unit down</u>: (x,y) → (x, y-1)

  • (-11,2) → (-11, 2 - 1) = (-11, 1)
  • (-9,7) → (-9, 7 - 1) = (-9, 6)
  • (-7, 2) → (-7, 2 - 1) = (-7, 1)

  • <u>Reflextion accross the x-axis</u>: (x,y) → (x, -y)

  • (-11, 1) → (-11, -1), which are the coordinates of vertex X"
  • (-9, 6) → (-9, -6), which are the coordinates of vertex Y""
  • (-7, 1) → (-7, -1), which are the coordinates of vertex Z"

Thus, in conclusion, it is proved that the sequence of transformations that maps triangle XYZ onto triangle X"Y"Z" is translation 5 units to the left, followed by translation 1 unit down, and relfection accross the x-axis.

7 0
3 years ago
GIVING BRAINLIEST!!!!!!!!!!!!!!!!!!!
DaniilM [7]

Answer:

A)(4,9)

B)(6,3)

C)(1,3)

D) (8,7)

E)(8,9)

Step-by-step explanation:

well, for creating points, it gets set up as (x,y) which it lays out in perfet format, and if you need help graphing, i can try and create it.

7 0
2 years ago
Read 2 more answers
One gallon of paint covers 400 square feet. What is the least amount of paint needed to paint the walls of a room in the shape o
Gnom [1K]

Answer:

1.8 gallons would be used.

Step-by-step explanation:

TOTAL AREA TO BE PAINTED:

     2 x 10 x 20  +   2 x10x 16 = 720 ft2

720 ft2 / 400 ft2 /gal = 1.8 gal  

7 0
2 years ago
Sum of two numbers is 24 and the difference is 15.What are the two numbers ?
natulia [17]
Translate that into an equation, and we get:

a+b = 24
a-b = 15

If we add these two equations, we get:

2a = 39
a = 39/2 = 19.5

Plug back in a = 19.5 and solve for b

a + b = 24
19.5 + b = 24
b = 4.5

The two numbers are 19.5 and 4.5.
4 0
3 years ago
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