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ki77a [65]
2 years ago
13

Isolate the variable x. - 5x < 10

Mathematics
1 answer:
Neporo4naja [7]2 years ago
8 0

Answer:

x > - 2

x ∈ ( - 2 ; + oo)

Step-by-step explanation:

- 5x < 10 | *(-)

5x > - 10 | : 2

x > - 2

x ∈ ( - 2 ; + oo)

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Find the first 4 terms of the geometric sequence a1=40 and r=0.5
DedPeter [7]
For the answer to the question above, 
a1 = 40 
<span>a2 = 20 </span>
<span>a3 = 10 </span>
<span>.. </span>
<span>aN = (1/2^N-1) a1 { in general aN= (r^N-1) A1 </span>

<span>a5 = (1/2^4) 40 = 40/16 = 2.5
</span>
So the answer to your question is 2.5
I hope my answer helped you. Feel free to ask more questions. Have a nice day!
5 0
3 years ago
Read 2 more answers
Which function forms a geometric sequence when x = 1, 2, 3, ...?
jeka94
The geometric sequence is found in the relationship between consecutive terms that is constant.
 In this problem, as I understand it, none of the functions forms a geometric sequence.
 The functions that form a geometric sequence have the form
 f (x) = h (a) ^ n where "a" is the constant relation between the successive terms.
 If you wrote the function "f (x) = - 2 (3/4) x", you wanted to write instead:
 f (x) = - 2 (3/4) ^ x
 So that would be the function that forms a geometric sequence, where the relation between the consecutive terms is 3/4.
 You can test it by dividing f (x) / f (x-1)
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4 0
3 years ago
Hello can someone pls help me (10 points)
docker41 [41]

Answer:

x = 7

Step-by-step explanation:

2x + 11 = 25

subtract 11

2x = 14

divide by two

x = 7

3 0
2 years ago
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1/3x + 1/3 = 7x + 5/ 2 find x
LekaFEV [45]

Answer:

-13/40 or -0.325

Step-by-step explanation:

6 0
2 years ago
33. A competition question requests students to form a three-digit number.
aniked [119]

Answer:

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Step-by-step explanation:

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There are 24 possible 3-digit numbers from the set {2, 3, 5, 7}. Of those, 6 have four factors: 372, 375, 532, 572, 732, 735.

The sums of factors of these numbers are ...

  38, 18, 30, 28, 68, 22

The number of interest is 532.

7 0
3 years ago
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