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olasank [31]
4 years ago
9

Write an explicit formula for an, the nth term of the sequence 2, -1, –4, ....

Mathematics
2 answers:
Agata [3.3K]4 years ago
7 0

Answer:

a(n) = a(1) -3(n-1)

Step-by-step explanation:

ryzh [129]4 years ago
4 0
A(n)=a(1)-3(n-1)
Step by step explanation
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How would it be written out though?
ankoles [38]

Answer:

Wait what do you mean by this?

3 0
3 years ago
P is the centroid of XYZ. If XU = 57 what is PU? A. 38 B. 19 C. 28.5 D. 20​
nalin [4]

Answer:

So the value of 'PU' is 19

Step-by-step explanation:

Given,

'p' is the centroid of \bigtriangleup XYZ and XU=57

∵ 'p' is the centroid then 'U' , 'V' and 'W' are the mid point of side 'YZ' , 'XZ' and 'XY'.

From Centroid Theorem we can write;

XP=\frac{2}{3} \times XU

Plug the values 'XU' in above equation;

XP=\frac{2}{3} \times57

XP=2\times 19

XP=38

From figure;

XP+PU=XU

PU=XU-XP

Plug 'XU' and 'XP' values;

PU=57-38

PU=19

∴ The value of 'PU' is 19

7 0
4 years ago
Read 2 more answers
The measure of an angle is 65°. What is the measure of its complementary angle?
vovangra [49]

Answer:

25 degrees

Step-by-step explanation:

If two angle are complementary that means they add to 90 degrees. Therefore, 90 - 65 = 25.

7 0
3 years ago
Read 2 more answers
What Is The Answer To <br> - 3/4 + 4/7 =?
Mrrafil [7]

Answer:

Oof

Step-by-step explanation:

First, change the denominators cuz, math. Then just do the math. Why you asking me?

4 0
4 years ago
A marker is 0.13 m long. What is the length in milliliters
yanalaym [24]

For this case we have:

Note:<em> Milliliter is a unit of volume. It is not possible to convert distance units into volume units. </em>

We must convert the length 0.13 meters to millimeters.

By definition, 1 meter equals 1000 millimeters. That is to say:

1m = 1000mm

Then, applying the rule of three we have:

1m ------------> 1000mm

0.13m --------> x

Where x represents the length of the marker in millimeters.

Resolving:

x = \frac {(0.13 * 1000)} {1}

x = \frac {130} {1}\\x = 130

Thus, the marker measures 130 millimeters long

Answer:

130 millimeters


4 0
3 years ago
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