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Alinara [238K]
3 years ago
8

Bad quality but please help me

Mathematics
1 answer:
scoundrel [369]3 years ago
4 0
-11/2 or -5.5
-4
0
4/5 or 0.8
1.5
3
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can someone please help? And can you also explain how to do it, because I forgot the steps on how to do it ​
alexdok [17]

Answer:

option 3) EF= -7 FG= -7

Step-by-step explanation

X= 1/2

EF= 2X-8

    = 2 X 1/2 -8

    =1 - 8

EF = -7

FG= 4X -9

     = 4X 1/2

     2 - 9

FG     = -7

7 0
2 years ago
What is the sum of 2 1/3, 3 5/6 and 6 2/3
Andreas93 [3]
2 1/3+ 3 5/6+ 6 2/3
= 7/3+ 23/6+ 20/3
= 14/6+ 23/6+ 40/6
= 77/6
= 12 5/6

The final answer is 12 5/6~
5 0
3 years ago
I need help please and thank you so much
nikitadnepr [17]

Answer: first choice

Step-by-step explanation

F= v+at

-v=-v

F-v=at

Divide by t

F-V/t= a

6 0
3 years ago
What is the inverse of the function F (X) equals 2X +1
Liono4ka [1.6K]

Answer: f^{-1}(x)=\frac{x-1}{2}

Step-by-step explanation:

To find the inverse of a function start by replacing f(x) with x and replace the original x with y.

f(x)=2x+1\\x=2y+1

Now solve for y

x=2y+1\\x-1=2y+1-1\\x-1=2y\\\frac{x-1}{2} =\frac{2y}{2}\\\frac{x-1}{2} =y

Finally, replace y with the inverse of f(x), f^{-1}(x)

5 0
1 year ago
In △ABC, point D∈ AB with AD:DB=5:3, point E∈ BC so that BE:EC=1:4. If AABC=40 in2, find AADC, ABDC, and ACDE.
DIA [1.3K]

Answer: Using the proportions between the segments, the area of the triangles are:

1. Area of triangle ADC is 25 in^2.

2. Area of triangle BDC is 15 in^2.

3. Area of triangle CDE is 12 in^2.


Please, see the attached files.

Thanks.

8 0
3 years ago
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