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olasank [31]
3 years ago
13

A point in Quadrant I has all negative values

Mathematics
1 answer:
Dima020 [189]3 years ago
8 0

Answer:

como????????????????

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Which of the following represents an explicit formula for the sequence:<br> 8.2, 10, 11.8, 13.6
NNADVOKAT [17]

Answer:

Tn = 6.4 + 1.8n

Step-by-step explanation:

Given

Sequence: 8.2, 10, 11.8, 13.6

Required

The formula of the sequence.

First, the type of the sequence needs to be determined (arithmetic or geometric)

It is an arithmetic sequence because each successive sequence is separated by a common difference..

The common difference is represented by d and it's calculated as follows.

d = 10 - 8.2 or 11.8 - 10 or 13.6 - 11.8

Each of the above gives

d = 1.8

Now, that we have the common difference; the next is to determine the formula using the Arithmetic Progression formula.

Tn = T1 + (n - 1)d

Where T1 is the first term of the progression; T1 = 8.2

By substituting 8.2 for T1 and 1.8 for d.

This gives

Tn = 8.2 + (n - 1) * 1.8

Open bracket

Tn = 8.2 + 1.8 * n - 1 * 1.8

Tn = 8.2 + 1.8n - 1.8

Collect like terms

Tn = 8.2 - 1.8 + 1.8n

Tn = 6.4 + 1.8n

Hence, the formula of the sequence is Tn = 6.4 + 1.8n

3 0
3 years ago
The probability that a lab specimen contains high levels of contamination is 0.15. A group of 4 independent samples are checked.
Lady bird [3.3K]

Answer:

0.5220

Step-by-step explanation:

Since the probability of contamination is 0.15, the probability of no contamination is 1 - 0.15 = 0.85

The probability that they are all contaminated will be 0.85 * 0.85 0.85 * 0.85 = 0.52200625

This is 0.5220 to four decimal

5 0
3 years ago
You are going on a field trip in a school bus. A special detector placed on one of the bus's tires counts the number of rotation
NeX [460]

Answer:

  25,133 m or 25.1 km

Step-by-step explanation:

The circumference of the tire is ...

  C = πd

  C = π(1 m)

The distance the bus traveled is 8000 times this far, so is ...

  distance = (8000)(π m) = 8000π m

Using 3.14159 for π, we find the distance to be about

  distance = (8000)(3.14159) m ≈ 25,133 m

The bus traveled about 25,133 meters or 25.1 km.

5 0
3 years ago
Solve for 4x - 3x -16 + 7x =24 solving equations by combining like terms
Ostrovityanka [42]

Answer:

x = 5

Step-by-step explanation:

4x - 3x -16 + 7x =24

x - 16 + 7x = 24

8x -16 = 24

-16+16 = 24+16

40/8 = 8x/8

x = 5

4 0
4 years ago
Read 2 more answers
PLS HELPpslapskodkdosnsplspslpsl
Effectus [21]
It is c! you had it right !!
6 0
3 years ago
Read 2 more answers
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