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Sergio039 [100]
3 years ago
14

plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz heeelpppppppppppppppppppppppppppppppppppppppppppppppppppp

Mathematics
1 answer:
Andrew [12]3 years ago
8 0

Answer:

55 or 56

Step-by-step explanation:

I add 27 until I got to 486. I end up at 54 hours it not 57 so it is between 55 and 56 hours

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If f(x) = x2 + 7, what is the value of f(3)?
Mazyrski [523]
Plug in 3 for f(x)
f(3)=(3)²+7
f(3)=9+7
f(3)=16
Hoped this helped!
3 0
3 years ago
-3x + 6 = 18 I want the answer
zhenek [66]
-3x + 6 = 18...subtract 6 from both sides
-3x = 18 - 6
-3x = 12...divide both sides by -3
x = -12/3 reduces to -4 <===
7 0
3 years ago
Read 2 more answers
A has the coordinates (–4, 3) and B has the coordinates (4, 4). If DO,1/2(x, y) is a dilation of △ABC, what is true about the im
loris [4]

Answer:

Coordinates of Vertices of triangle ABC are A (-4,3) , B(4,4) and C(1,1).

As, DO is Dilation of Δ ABC by Scale factor of \frac{1}{2}.

Vertices of A' B'C' are

A'=(\frac{-4}{2},\frac{3}{2})=(-2,\frac{3}{2}), B'=(\frac{4}{2},\frac{4}{2})=(2,2), C'=(\frac{1}{2},\frac{1}{2})

So, Image Δ A'B'C' will be smaller than the Pre image Δ ABC.

The two triangles will be congruent.

AO is Dilated by a factor of half , so A'O' will be half of AO.

So, correct Statements are

1. AB is parallel to A'B'.

2.DO,1/2(x, y) =  

The distance from A' to the origin is half the distance from A to the origin.

OA=\sqrt{(-4)^2+3^2}=\sqrt{25}=5\\\\ O'A'=\sqrt{2^2+(\frac{3}{2})^2}=\frac{5}{2}=2.5

8 0
3 years ago
Read 2 more answers
Solving this system using substitution: 2x+6y=28/y=-5x
AnnyKZ [126]
X=-1 and y=5
As when u replace the values x will give you negative 1 and when u replace negative 1 in y=-5x you get 5
7 0
3 years ago
Please help me:( I’ve been stuck on this one for so long
Ronch [10]

Answer: A. 9x^2+2x-5


Step-by-step explanation: its just adding the two numbers from right to left so +3-8= -5   then -5x+7x=2x then 6x^2+3x^2= 9x^2 so putting them together equals 9x^2+2x-5


7 0
3 years ago
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