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docker41 [41]
3 years ago
5

How would i find the explicit formula for the arithmetic sequence -11,-3,5,12

Mathematics
1 answer:
dimulka [17.4K]3 years ago
5 0

Arithmetic Sequence Formula:

a_n=a_1+(n-1)d

We have:

a_1=-11,\ a_2=-3,\ a_3=5,\ a_4=12,\ ...

d=a_{n+1}-a_n\to d=-3-(-11)=-3+11=8

Substitute:

a_n=-11+(n-1)(8)=-11+8n-8=8n-19

Answer: a_n=8n-19

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3 years ago
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On a coordinate plane, a curved line with a minimum value of (negative 1.25, negative 3.25) and a maximum value of (0.25, negati
soldier1979 [14.2K]

The statement which is true about the end behavior of the graphed function is third option that is as the x-values go to negative infinity, the function's values are equal to zero.

A coordinate plane is a two dimensional plane formed by the intersection of two number lines . One of these number lines is a horizontal number lines called the x-axis and the other number line is a vertical number line called the y-axis.

The exact answer is third option that is as the x-values go to negative infinity, the function's values are equal to zero.

Step by step explanation:

Minimum value (negative 1.25, negative 3.25)

Maximum value of (0.25, negative 1.75)

The x intercepts where the graph crosses the x axis.

Value of x when y=0 crosses x axis at (negative 2.25, 0)

The y intercept are where the graph crosses the y axis.

Value of y when x=0 crosses y axis at (0, negative 2)

The line exits the plane at (negative 2.75, 6) and (1.5, 6).

It can be seen from the coordinates that as the x-values go to negative infinity, the function's values are equal to zero, the coordinates of y approaches zero.

Learn more about coordinates from:

brainly.com/question/17206319

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8 0
2 years ago
Megan surveyed a random sample of 60 students at her school and found that 42 of them ride the bus to school each day. If there
GarryVolchara [31]

Answer:

224 student ride the bus to school each day.

Step-by-step explanation:

7 0
3 years ago
Please help :)
-BARSIC- [3]

Answer:

The first answer is wrong the real answer is 180

Step-by-step explanation:

A straight angle looks like a straight line. It has an angle measurement of 180 degrees. Straight angles can be composed of several angles, as long as the angles add up to 180 degrees.

7 0
4 years ago
HELP ME IN THIS MATH QUESTION!!! Jack’s eyes are 5 feet above the ground. He is standing 400 feet from the base of a building. H
Harrizon [31]

Answer:

Height of the building ≈ 947.34 ft

Step-by-step explanation:

Jack eyes are 5 ft above the ground .He is standing 500 ft from the base of a building .His line of sight forms angle with the top of the building at 67°. The height of the building can be computed below.

The illustration forms a right angle triangle. The opposite sight of the triangle is the unknown. The height of the building can be found by using the tangential ratio.

adjacent  = 400 ft

angle = 67°

tan 67° = opposite/adjacent

tan 67° = a/400

cross multiply

a = 400 tan 67°

a = 400 × 2.35585236582

a = 942.34094633

Adding 5 ft to the total height of the building will be 5 +  942.34094633 = 947.34094633

Height of the building ≈ 947.34 ft

4 0
4 years ago
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