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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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WILL GIVE BRAINLIEST ANSWER TO WHOEVER ANSWERS FIRST AND CORRECT PLEASE EXPLAIN WHY YOU ARE CORRECT
Rashid [163]

Answer:

AB is mid-segment of this trapezoid, then we have:

2 x AB = DG + EF

=> 2 x 12 = 5x - 4 + 8x + 2

=> 24 = 13x - 2

=>13x = 26

=> x = 2

=> Option A is correct

Hope this helps!

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8 0
3 years ago
Can somebody help me with this (NUMBER 3)
Alenkinab [10]

Answer:

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Step-by-step explanation:

4 0
3 years ago
The length of a solar car race track is supposed to be 4.8 meters.
snow_tiger [21]

Answer:

  -12.5%

Step-by-step explanation:

A percentage change is computed using ...

  percent change = ((new amount) -(original amount))/(original amount) × 100%

We want to find the percentage change from 4.8 m, so we have ...

  percent change = (4.2 -4.8)/4.8 × 100% = -.6/4.8×100% = -12.5%

The carpenter made the track 12.5% too short.

7 0
3 years ago
Pls help for brainliest
Minchanka [31]

。☆✼★ ━━━━━━━━━━━━━━  ☾

πr^2 = area

Half the diameter to get the radius

Substitute the values in:

area = 3.142 x (7)^2

area = 153.958 cm^2

Have A Nice Day ❤    

Stay Brainly! ヅ    

- Ally ✧    

。☆✼★ ━━━━━━━━━━━━━━  ☾

8 0
3 years ago
Read 2 more answers
Given the following table of values for f(x), find f(2).
AleksandrR [38]

Step-by-step explanation:

Given F(x) is 5 10 8 5 7 14 where x is - 1 0 1 2 3 9,

the value of F(2) is 202,478

3 0
2 years ago
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