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Travka [436]
3 years ago
13

POLYGONS AND CIRCLES

Mathematics
1 answer:
Olin [163]3 years ago
8 0

Answer:

you follow me HD video of xx

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The mathematical 9 € t means
Kamila [148]
It means <span>9 is not an element of T. hope it helped</span>
8 0
3 years ago
Show all work to factor x4 – 17x2 + 16 completely.
denis23 [38]

Answer:

(x - 4)(x + 4)(x - 1)(x + 1)

Step-by-step explanation:

Given

x^{4} - 17x² + 16

Use the substitution u = x², then

u² - 17u + 16

Consider the factors of the constant term (+ 16) which sum to give the coefficient of the u- term (- 17)

The factors are - 16 and - 1, then

u² - 17u + 16

= (u - 16)(u - 1) ← replace u by x²

= (x² - 16)(x² - 1) ← both factors are difference of squares

= (x - 4)(x + 4)(x - 1)(x + 1)

4 0
2 years ago
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Solve using Elimination method 2x-y=6 and x+y=6 ​
Veseljchak [2.6K]

Step-by-step explanation:

2x-y=6 --------(1)

x+y=6 -------(2)

_____ Adding (1) and (2)

3x = 12

x=4

Substitute x on equation (2)

4+y=6

y=2

8 0
2 years ago
Which is the solution set of the inequality 15y-9 &lt; 36?
Kipish [7]

15y<36-9 ==>15y<27

y<27/15 ==>y<9/5

answer is B

6 0
2 years ago
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Select all ratios equivalent to 18:10<br><br>36:20<br>9:5<br>27:15​
vfiekz [6]
All of them are correct
3 0
3 years ago
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