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GarryVolchara [31]
3 years ago
14

How do I do this I need help fast

Mathematics
2 answers:
emmainna [20.7K]3 years ago
7 0

scale factor = 1.5

Answer:

side DE / FD = 9 / x

sides BC / AC = 6 / 7

ratios are the same

therefore side FD = 10.5

side AB = 8

scale factor = 12 / 8 = 1.5 or 3/2

Inga [223]3 years ago
6 0

Answer:

the answer is 7:6 :)

Step-by-step explanation:

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Given two equilateral triangle; the length of the sides of the 2nd triangle are 2 less than 3
goldfiish [28.3K]

9514 1404 393

Answer:

  first triangle -- side: 304.8 mm; perimeter: 914.4 mm

  second triangle -- side: 863.6 mm; perimeter: 2590.8 mm

Step-by-step explanation:

We are given two equilateral triangles. The perimeter of the second is given as 102 inches, so its sides have length 102/3 = 34 inches. This is 2 less than 3 times the side length in the first triangle. So, adding 2 will give 3 times the side length of the first triangle: 36 inches, which also happens to be its perimeter. Those side lengths are 36/3 = 12 inches.

Now, we know:

  first triangle -- side length 12 inches, perimeter 36 inches

  second triangle -- side length 34 inches, perimeter 102 inches.

These measurements are desired in millimeters. Each inch is 25.4 millimeters, so we can find the desired measures by multiplying these numbers by 25.4.

  12×25.4 = 304.8; 36×25.4 = 914.4

  34×25.4 = 863.6; 102×25.4 = 2590.8

The desired lengths are ...

  first triangle -- side: 304.8 mm; perimeter: 914.4 mm

  second triangle -- side: 863.6 mm; perimeter: 2590.8 mm

6 0
3 years ago
Please answer this as quick as you can
SIZIF [17.4K]

Answer:

B is correct because there cannot be negative people in a cafeteria.

Step-by-step explanation:

8 0
3 years ago
What is the value of x?
Bess [88]
That answer is -18 dfffdffdf
7 0
4 years ago
Read 2 more answers
For accounting purposes, the value of assets (land, buildings, equipment) in a business are depreciated at a set rate per year.
zloy xaker [14]
This is exponential decay of the form:

f=ir^t, f=final value, i=initial value, r=rate, t=time in this case:

V(t)=408000((100-18)/100)^t

V(t)=408000(0.82)^t  so

Vo=408000 and b=0.82

....

V(8)=408000(0.82)^8

V(8)=$83400.95  to nearest cent
3 0
3 years ago
Consider the open sentence 2x + 3___x^2 + 2^2 ( show all your work )
nikklg [1K]

The answer would be less than

2(3)+3= 9

<u>3^2 + 2^2 = 9+4 = 13 </u>

4 0
3 years ago
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