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mojhsa [17]
2 years ago
5

Rotate shape A 90° anti-clockwise with centre of rotation (0,0).

Mathematics
1 answer:
Oksanka [162]2 years ago
3 0

Answer:

(-6, 1) (-6, 3) (-5, 3) (-5, 2) (-3 2) -3, 1

Step-by-step explanation:

By rotating 90 degrees x become y and y becomes negative x

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Helpppppppppppppppppp
makvit [3.9K]

Answer:

c. 25

Step-by-step explanation:

100/12 = 8.3

8.3 × 3 = 24.9

rounded up is 25

6 0
3 years ago
The following graph describes function 1 and the equation below it describes function 2:
Tanya [424]
Function 1: 
f(x) = -x² + 8(x-15)f(x) = -x² <span>+ 8x - 120
Function 2:
</span>f(x) = -x² + 4x+1
Taking derivative will find the highest point of the parabola, since the slope of the parabola at its maximum is 0, and the derivative will allow us to find that.
Function 1 derivative: -2x + 8 ⇒ -2x + 8 = 0 ⇒ - 2x = -8 ⇒ x = -8/-2 = 4

Function 2 derivative:  -2x+4 ⇒ -2x + 4 = 0 ⇒ -2x = -4 ⇒ x = -4/-2 ⇒  x= 2
Function 1: f(x) = -x² <span>+ 8x - 120 ; x = 4
f(4) = -4</span>² + 8(4) - 120 = 16 + 32 - 120 = -72
<span>
Function 2: </span>f(x) = -x²<span> + 4x+1 ; x = 2
</span>f(2) = -2² + 4(2) + 1 = 4 + 8 + 1 = 13

Function 2 has the larger maximum.
8 0
3 years ago
A rectangle has a perimeter of 60 units and one side of length 18 units. If it can be determined, what are the lengths, in units
ladessa [460]

Answer:

option B. 18,12,12

Step-by-step explanation:

perimeter= 60 units

(consider a rectangle with sides a,b,c & d in order)

a= 18 units (given)

c=18 units (since opp. sides of a rectangle are equal)

now the remaining length= 60-(18+18)

                                          = 60 - 36

                                          = 24

so the sum of the remaining sides, ie, b+d= 24

since b and d are equal (opp.sides of a rect.)

b=d=24/2=12

therefore, b=12; c=18; d=12

i really hope i'm clear...but if i'm not then please do ask...

8 0
3 years ago
Read 2 more answers
The endpoints of one diagonal of a rhombus are (0, -8) and (8, -4). If the coordinates of the 3 rd vertex are (1, 0), what are t
atroni [7]
You can answer this problem using the midpoint formula, but we can work out the 4th vertex by just logically thinking it through by first drawing out the rhombus on an x-y coordinate plane.  I wrote the answer out on paper since it is easier than typing.  Let me know if you have any questions.

6 0
3 years ago
The sum of a number x and 4 equals 12
Nataliya [291]
x+4=12\ \ \ \ |subtract\ 4\ from\ both\ sides\\\\\boxed{x=8}
6 0
3 years ago
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