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Zigmanuir [339]
3 years ago
9

Solve for x. 3(15 - x) = 2x

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
8 0

Answer:

well

Step-by-step explanation:

3 times 15 is 45

then 3 times negative x is -3x

so 45 - 3x = 2x

3 x moved to the other side turns positive

so you have

5x = 45

45÷5

x = 9

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crimeas [40]
Explain more plez i dont under shand this anymore
3 0
4 years ago
What are the first five terms, a1, a2, a3, a4, a5 of the sequence defined by an= n^2-9/ n^3 and how can the sequence be describe
Valentin [98]

The first five terms of the sequence are -8, -5/8, 0, 5/64 and 16/125

<h3>Recursive form of a sequence</h3>

Given the nth term of a sequence expressed as:

an= n^2-9/ n^3

Determine the first five terms

If n = 1

a1 = 1^2-9/ 1^3

a1 = -8/1

a1 = -8

If n = 2

a2 = 2^2-9/ 2^3

a2 = -5/8

If n = 3

a3= 3^2-9/ 1^3

a3 = 9-9/3^3

a3 = 0

If n = 4

a4 = 4^2-9/ 4^3

a4= 16-9/64

a4 = 5/64

If n = 5

a5 = 5^2-9/ 1^3

a5 = 25-9/5^3

a5 = 16/125

Hence the first five terms of the sequence are -8, -5/8, 0, 5/64 and 16/125

Learn more on recursive function here: brainly.com/question/489759

#SPJ1

6 0
2 years ago
Find the smallest non-zero whole number which can be multiplied by 112 to give a cube number
horsena [70]

Answer:

Now 7 remains without a pair and therefore 7 should be multiplied to 112 to make it a perfect square. Similarly 28 should be multiplied to 784 to make it a perfect cube.

6 0
3 years ago
Read 2 more answers
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ryzh [129]

Answer:

A= 45 degrees

And angle B= = 135 degrees

Step-by-step explanation:

Supplementary means that the sum of both angles is equal to 180 degrees.

< A= x

< B= 3x

<a+<B= 180

x+3x= 180

4x= 180

x= 180/4

x= 45

Therefore angle A= 45 degrees

And angle B= 3x= 3*45= 135 degrees

7 0
3 years ago
What is the factorization of the trinomial below? 3x3 + 6x2 - 24x
Allisa [31]

3x^3 + 6x^2 - 24x

= 3x(x^2 + 2x - 8)

= 3x(x + 4)(x - 2)

Hope it helps.

8 0
3 years ago
Read 2 more answers
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