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Feliz [49]
4 years ago
6

Write an explicit rule for each geometric sequence i’m subscript notation. Use a calculator and round your answer to the nearest

tenth if necessary.
(Show how you did it please, I don’t understand what I’m supposed to do)


16) The fifth term of the sequence is 5. The sixth term is 22.5.

17) The third term of the sequence 120. The fifth Term is 76.8 .

18) The fourth term of the sequence is 216. The sixith term is 96.

Mathematics
1 answer:
Andreas93 [3]4 years ago
5 0

Step-by-step explanation:

Below is an attachment containing the solution.

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??help what is DEB?
sergij07 [2.7K]

Answer:

85°

Step-by-step explanation:

AED and DEB would add up to 180, the same goes for AEC and CEB

6 0
3 years ago
What is 1.3 repeating in fraction
Rudiy27
1 \frac{3}{10}
4 0
3 years ago
A metallic sphere is immersed in water in a cylindrical container causing a rise in the level of water by 7.5cm if the cylinder
SVETLANKA909090 [29]

Answer:

6.51 cm

Step-by-step explanation:

Since the sphere causes the water level in the cylindrical container to rise and thus increase by its own volume, the volume of the sphere is V = 4πr³/3 where r = radius of sphere. The volume rise of the container is thus    V' = πR²h where R = radius of base of cylinder = 7 cm and h = height of water level = 7.5 cm.

Since V = V',

4πr³/3 = πR²h

dividing through by π, we have

4r³/3 = R²h

multiplying both sides by 3/4, we have

r³ = 3R²h/4

taking cube-root of both sides, we have

r = ∛(3R²h/4)

Substituting the values of the variables into the equation, we have

r = ∛(3(7 cm)² × 7.5 cm/4)

r = ∛(3 × 49 cm² × 7.5 cm/4)

r = ∛(1102.5cm³/4)

r = ∛(275.625 cm³)

r = 6.508 cm

r ≅ 6.51 cm to 2 decimal places

3 0
3 years ago
"A grain silo is shown below.
Phantasy [73]
V = r² π h + 1/2 · 4/3 r³ π 
V = 6² · 22/7 · 198 + 4/6 · 6³ · 22/7
V = 36 · 22 · 24 + 144 · 22/7 = 19,008 + 452.57 = 19,460.57 ≈ 19,461 ft³
Answer: B ) 19,461 ft³
4 0
3 years ago
Below is the graph of y=b^x. Find b.
omeli [17]
Y = <span>b^x

when x = 1
y = b^1
y  = b

Therefore, the value of b is the same as the value of y when x =1
From the graph,
When x = 1, y = 0.5
Therefore, b = 0.5


To confirm this

From the graph,

When x = -1, y = 2
Since </span>y = b^x<span>
2 = </span>b^-1
2 = 1/b
2b = 1
b = 0.5

When x = -2, y = 4
Since y = b^x
4 = b^-2
4 = 1/(b^2)
b^2 = 1/4
b = √(1/4)
b = 1/2
b = 0.5

Therefore, it is conformed that b = 0.5

5 0
3 years ago
Read 2 more answers
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