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djverab [1.8K]
3 years ago
8

What is the next number in the pattern? 4, -12, 36, -108, k

Mathematics
1 answer:
Lunna [17]3 years ago
5 0

This is a geometric sequence where r = -3.

4 x -3 = -12

-12 x -3 = 36

36 x -3 = -108

-108 x -3 = 324

Answer: 324

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castortr0y [4]
<h3 /><h3>( {3x}^{2}  {y}^{2} z) \: ( {2xy}^{5}  {z}^{5} ) \\  = 6  {x}^{2}  {y}^{2}  {xy}^{5}  {z}^{6}</h3><h3>[ Multiply all digits and variables according to there same value ]</h3>

<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em><em> ❤️</em>

8 0
2 years ago
Find the value of y.
olga nikolaevna [1]
Try this option:
1. the sides of the biggest triangle are 16; x and √(16²-x²); the sides of the smallest triange are x;5 and y. The smallest triangle ~ the biggest triangle. Using the property of the similar triangles: 
\frac{x}{5} = \frac{16}{x}, \ then \ x= \sqrt{80}
2. according to the Pyphagorean theorem (in the smallest triangle):
y= \sqrt{ \sqrt{80^2} -5^2} = \sqrt{55}

answer: y=√55.
4 0
3 years ago
The ratio of two numbers is 2/3. The sum of the numbers is 105. What are the two numbers?
Pepsi [2]
A) x/y = 2/3
B) x + y = 105
Solving Equation A for y
A) y = 1.5x
Substituting A into B
B) x + 1.5x = 105
2.5x = 105
x = 42
y = 63


8 0
3 years ago
F(x) = 2x² + x at (-1, 1)
lord [1]

Answer:

f(x) = 2 {x}^{2}  + x \\ at \: that \: point \: given \:  \: x =  - 1 \\ f(x) = 2 {( - 1)}^{2}  + ( - 1) \\ f(x) = 2 - 1 \\ f(x) = 1

4 0
3 years ago
Perform the operation given that a = {−3, −2, −1, 0, 1, 2, 3}, b = {−4, −2, 0, 2, 4}, and c = {0, 1, 2, 3, 4}. (enter your answe
Ludmilka [50]
A ∩ c={0,1,2,3}

b ∪ (a ∩ c)={-4,-2,0,1,2,3,4}
7 0
3 years ago
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