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Alex17521 [72]
2 years ago
8

Hello, I need help I have watched about 10+ hours of YT videos on this and still don't understand this and my teacher wont respo

nd to me. It is this sheet in particular that i don't understand. I know how to do simple ones but not this. If you are able to help me i will give you a brainlest, Once i figure out this site. Oh yea i am not in high school i am in middle
Mathematics
2 answers:
suter [353]2 years ago
5 0

Answer:

On the first one, they took half of the original number then added it to the original to get the sides of the bigger shape.

Step-by-step explanation:

Alinara [238K]2 years ago
4 0

Answer: I just did this in my math class, so I'll try to help you the best I can.  I uploaded the pdf below with step by step solutions to each problem. I also wrote some background information you need to know in order to solve the problems.

Step-by-step explanation:

Hope This Helps!

Download pdf
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13 = -7 + 9x - 5x<br> X =
brilliants [131]

Answer:

x = 5

Step-by-step explanation:

Given

13 = - 7 + 9x - 5x , that is

13 = - 7 + 4x ( add 7 to both sides )

20 = 4x ( divide both sides by 4 )

5 = x

3 0
3 years ago
Solve by completing the square x^2-6x=1
Dmitry [639]
(x-3)^2=10
I hope this helps you.
4 0
3 years ago
A square playground has an area of 175 m2. What is the approximate length of each side of the playground? Round your answer to t
igomit [66]
We know that the area of a square = side &sup2;

Therefore, for a known area A, the side length is
side = &radic; (area)
= &radic; (175) 
= 13.2288  (to 4 places of decimals).

4 0
3 years ago
P L E A S E A N S W E R A S A P<br><br><br> P L E A S E E E E E E
Lerok [7]

Answer:

d

Step-by-step explanation:

3 0
2 years ago
Please please help me out
Inessa [10]

Answer:

26.6 m

Step-by-step explanation:

Given the figures are similar

linear ratio = a : b

area ratio = a² : b²

here

area ratio = 16 : 25, then

linear ratio = 4 : 5 ( square root of both area ratio parts )

let the perimeter of the larger figure be x, then by proportion

\frac{4}{21.3} = \frac{5}{x} ( cross- multiply )

4x = 106.5 ( divide both sides by 4 )

x ≈ 26.6

Hence perimeter of larger figure is approximately 26.6 m

3 0
3 years ago
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