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Pie
3 years ago
5

A geometric sequence has a4=4 and a5=7. What is a1?

Mathematics
2 answers:
ella [17]3 years ago
4 0
A is 0.025 from what i worked out, I hope it is correct :)

myrzilka [38]3 years ago
4 0

The answer to this question is 0.025

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Here are two number machines, A and B.
Troyanec [42]

Answer:

Step-by-step explanation:

We can write them both like functions like this

Where

x=input

A=Output A

B=Output B

We want the output of A 3 times the output of B this can be written like this:

we replace with the functions

we solve for x

The output that makes the out put of A 3 times teh output of B is

7 0
2 years ago
Explain how the diameter and circumference are related?
Keith_Richards [23]
<span> In math, we have a formula that relates these two parts of a circle. This formula is called the </span>circumference<span> formula, and it is C = pi*d where C stands for the </span>circumference<span> and d stands for the </span>diameter<span>. And pi is pi or 3.14.</span>
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3 years ago
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Kruka [31]

Answer:

3x - 6

Step-by-step explanation:

4 0
3 years ago
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Olegator [25]

Answer:

1st option

Step-by-step explanation:

y = 1/2x + 2

7 0
3 years ago
Read 2 more answers
This is a sketch of the curve with equation y=f(x) the vertex of the curve is at (2,-3)
Law Incorporation [45]

Answer:

see explanation

Step-by-step explanation:

(a)

Given f(x) then f(x) + c represents a vertical translation of f(x)

• If c > 0 then a shift up of c units

• If c < 0 then a shift down of c units

f(x) + 5 represents a shift up of 5 units, thus

(2, - 3 ) → (2, - 3 + 5 ) → (2, 2 )

(b)

Given f(x) then - f(x) represents a reflection of f(x) in the x- axis

Under a reflection in the x- axis

a point (x, y ) → (x, - y ), thus

(2, - 3 ) → (2, 3 )

7 0
3 years ago
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