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Nutka1998 [239]
2 years ago
7

Find the 20th term of the arithmetic sequence 15, 9, 3, -3, ...

Mathematics
1 answer:
RUDIKE [14]2 years ago
4 0

The 20th term is -106

15,9,3,-3,-9,-15,-21,-28,-35,-41,-46 (10) -6 x 10 = -60

-60 + -46

-106

You're just subtracting by 6.

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The product of two factors is 24 .the difference between the 2 factors is 10
Sophie [7]
The answer is 12x2

12x2=24
12-10=2
7 0
2 years ago
What is the equation of a line that has a slope of −1/2 and a y-intercept of 3? Express your answer in slope-intercept form.
alukav5142 [94]

\bf \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}~\hspace{10em}\underset{\qquad y-intercept}{\stackrel{slope}{y = \stackrel{\downarrow }{-\cfrac{1}{2}}x}+\underset{\uparrow }{3}}

8 0
2 years ago
A ladder 25 feet long is leaning against a wall the bottom of the latter is 4 feet from the base of the wall how far up is the i
ICE Princess25 [194]

Answer:

The answer to your question is 24.7 ft

Step-by-step explanation:

Data

length of the ladder = 25 ft

distance from the ladder to the ladder = 4 ft

distance from the floor to the ladder = ?

Process

1.- Use the Pythagorean theorem to solve this problem

           c² = a² + b²

- solve for b

            b² = c² - a²

-Substitution

            b² = (25)² - (4)²

-Simplification

            b² = 625 - 16

            b² = 609

-Result

            b = 24.67 ft ≈ 24.7 ft

-Conclusion

The ladder is 24.7 ft from the floor.

3 0
3 years ago
Read 2 more answers
What is the slope of a line that is perpendicular to the line x = –3? –3 0 1/3 undefined
Elena L [17]

Answer:

slope = 0

Step-by-step explanation:

The line with equation x = - 3 is a vertical line parallel to the y- axis

A perpendicular line is therefore a horizontal line parallel to the x- axis

The slope of the x- axis is zero, hence the slope of the horizontal line is

slope = 0

8 0
3 years ago
What is .000000474 in scientific notation?
Dominik [7]
4.74* 10^{-7}
4 0
3 years ago
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