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Vaselesa [24]
3 years ago
6

Write the equation that modeled the sequence 63,-21,7,-7/3,7/9

Mathematics
1 answer:
Ilya [14]3 years ago
6 0

Answer:

an = 63(-1/3)^(n-1)

Step-by-step explanation:

This is a geometric sequence with first term 63 and common ratio -1/3.

The equation for the nth term  is

an = 63(-1/3)^(n-1).

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Please help me with these, find the missing side. Thank yu only if you know
abruzzese [7]

Answer:

7.48m (3s.f.)

Step-by-step explanation:

Let the missing side be x m.

Applying Pythagoras' Theorem,

x² +5²= 9²

x² +25= 81

x²= 81 -25 <em>(</em><em>-25</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em><em>)</em>

x²= 56

x =  \sqrt{56}

x = 2 \sqrt{14}

x= 7.48 (3 s.f.)

∴ The missing side is 7.48 m (3s.f.)

8 0
3 years ago
Write 32/21 as a mixed number.
hammer [34]

Answer:

1 11/21

Step-by-step explanation:

In order to convert 32/21 to mixed number, you follow these steps:

Divide the numerator by the denominator

32 ÷ 21 = 1 with a remainder of 11

Write down the whole number 1 and then write down the remainder as new numerator (11) above the denominator (21), As below:

1  11/21

6 0
2 years ago
Read 2 more answers
The tree in Charlie’s backyard is 9 meters high. how high is it in centimeters
butalik [34]
If you use metric conversion (shown below), you will find that 9 meters = 90 cm. Tell me if you need further explanation.
5 0
3 years ago
Describe the relationship between the variables.
sertanlavr [38]
  • Relationship between the variables are
  • (a) As the age increases, the height increases.
  • No relationship between variables.
  • (a) As the  age increases, height decreases.
  • (b) As the height decreases, the age decreases.

Step-by-step explanation:

  • If visually found a child born till his age of elder he has increased.
  • It is clearly true that as the age increases height increases.
  • Child is born at some point of time with a particular height.
  • It is never an association between age increases and height reduces.
  • Age is again started at some point of time, it cannot decrease.
  • After descriptive statistics there something called predictive.
  • Describing the data is one way of understanding statistics.
  • It is mean,median mode where the particularly number stands.
  • Predictive is the next stage an association of variables.
  • Variables are very important in analysis it basically attribution.
  • In order to find any analyse test studies are important variables to.
5 0
3 years ago
Read 2 more answers
What is true about 3 squared x 4 squared
BARSIC [14]
Hello there, and thank you for posting your question here on brainly.

Short answer: C. Product of 2 rational numbers = a rational number.

Why?

The numbers are both rational because squared is a result of a number multiplied by itself. Like (3^2 = 9). It turns out as a rational number because you're multiplying by two positive numbers, which always turns out as a rational number. (3^2 * 4^2 ==> 144) [3^2 = 9] [4^2 = 16]

Hope this helped you! ♥
8 0
3 years ago
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