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kherson [118]
2 years ago
9

What's 9 in index form

Mathematics
2 answers:
Sonja [21]2 years ago
8 0
3(2) (3) on top. Because 3x3 is 9
SVEN [57.7K]2 years ago
5 0

Answer:

3²

Step-by-step explanation:

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Find the sum of all multiples of 7 lying between<br>500 &amp; 900​
Anna11 [10]

Answer:

Sₙ = 57/2 * (504 + 896) = 39900

Step-by-step explanation:

first multiple of 7 after 500 is: 72 *7 = 504

last multiple of 7 before 900 is: 128 *7 = 896

a₁ = 504

aₙ = 896  

where n = 128-72 +1 = 57

sum of arithmetic sequence: Sₙ = n/2 * (a₁ + aₙ)

Sₙ = 57/2 * (504 + 896) = 39900

6 0
2 years ago
I need help with Function Operations please
Alex787 [66]

Answer:

  30

Step-by-step explanation:

The ring operator signifies a composition of functions. The composition is evaluated right-to-left. That means the composition ...

  (f\circ g)(x)

should be interpreted to mean ...

  f(g(x))

___

To evaluate f(g(6)), we first evaluate g(6):

  g(6) = 6² -5 = 31

Then we evaluate the function f using that as its argument:

  f(31) = 31 -1 = 30

  f(g(x)) = 30

3 0
2 years ago
What is the relationship between the 6s in the number 7,664
Xelga [282]
The answer to your question is 600 and 60
4 0
2 years ago
Let C ( t ) be the number of US cell phone subscribers in millions in t years since 1995. A linear model for the data is F ( t )
Andru [333]

ANSWER

In 16 years time.


EXPLANATION.



If the number of subscribers is 324 million, then it means


f(t)=324


But we were given that,


f(t)=18.997t+16.711



This implies that,


324=18.997t+16.711


We now solve for t,



324-16.711=18.997t



307.289=18.997t



\frac{307.289}{18.997}=t



16.17566=t



That will be approximately in the 16th year.











6 0
3 years ago
Draw a diagram to solve a angle problem
Lunna [17]
You need a length and width for it
7 0
2 years ago
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