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lesantik [10]
2 years ago
14

~~~30 POINTS~~~ Please assist me on this math question!

Mathematics
1 answer:
MAXImum [283]2 years ago
3 0
A)
Let's pick point (4,4) and point (2,2). If you divide the new point by the old point you will see that both the x-value and the y-value were multiplied by 2 to gt the new x-value and new y- value. So the scale factor is 2.

The perimeter of the first square can be found by subtracting the x-values from two points to get the length of one side and then multiply the result by 4 to get the perimeter of the whole square.
2-(-2)=4
The length of one side of the first square is 4. (I just subtracted the x-values.)
4 times 4 = 16.
The perimeter of the first square is 16.

Similarly, 4-(-4)=8 and 8 times 4 = 32.
The perimeter of the second square is 32.

b)
Let's pick point (6,6) and point (3,3). If you divide the new point by the old point you will see that both the x-value and the y-value were multiplied by 2 to gt the new x-value and new y- value. So the scale factor is 2.

The perimeter of the first square can be found by subtracting the x-values from two points to get the length of one side and then multiply the result by 4 to get the perimeter of the whole square.
3-(-3)=6
6 times 4 = 24.
The perimeter of the first square is 24.

Similarly, 6-(-6)=12 and 12 times 4 =48.
The perimeter of the second square is 48.

c)
If a figure is dilated to a scale factor of 2 then the perimeter of the figure will also be doubled.
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Factorize 2x^4-7x^3-13x^2+63x-45 using factor theorem.
zheka24 [161]
Find the possible rational roots and use synthetic division to find the first zero.
I chose x=1 (which represents the factor "x-1")

1║2  -7  -13    63  -45
  ║     2    -5  -18    45
    2  -5  -18    45    0
(x-1) is a factor, (2x³ - 5x² - 18x + 45) is the other factor.

Use synthetic division on the decomposed polynomial to find the next zero.
I chose x = 3 (which represents the factor "x-3")

3║2  -5  -18    45 
  ║     6     3   -45   
    2   1  -15     0   

Using synthetic division, we discovered that (x-1), (x-3), & (2x² + x -15) are factors.  Take the new decomposed polynomial (2x² + x -15) and find the last two factors using any method.

Final Answer: (x-1)(x-3)(x+3)(2x-5)




8 0
3 years ago
I need help!!! ill give brain-list!!!
In-s [12.5K]

Answer:

8 hours worked, 64 dollars

56 dollars, 7 hours worked

themepark:

5 hours worked, 45 dollars

6 hours worked, 54 dollars

8 hours worked, 72 dollars

working at the themepark earns 5 extra dollars when they work for 5 hours.

5 0
3 years ago
Gerald answered 28 math questions in 32 minutes. Tomas answered 27 questions in 30 minutes.Daniel answered 35 questions in 40 mi
gregori [183]
Daniel did. Happy Halloween can u mark me as brainliest and thanks. I neeed to rank up
4 0
3 years ago
Read 2 more answers
Pls help asap no wrong answers pls
Liula [17]

Answer:

1/6 is the slope

Step-by-step explanation:

1/6x = y is the equation

5 0
2 years ago
Read 2 more answers
One more, one less, ten more, ten less
aleksklad [387]
If you are starting off with zero then your end product would be zero
8 0
2 years ago
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