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egoroff_w [7]
3 years ago
14

Write an equation for the nth term of the arithmetic sequence 22, 15, 8, 1,.

Mathematics
1 answer:
DaniilM [7]3 years ago
8 0

Answer:

aₙ = 7n +29

Step-by-step explanation:

  • Arithmetic sequence                

                           22 ; 15 ; 8; 1;........aₙ

  • the nth term

                 aₙ = -7n +29

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What is the distance between (8, -3), (4,-7)?
Papessa [141]

Answer:

4\sqrt{2} which is none of your choices....

Did you mean (8,-3) and (4,-7)?

Step-by-step explanation:

We need to first find the distance between the x's.

Then the distance between the y's.

The distance between the x's is 8-4=4.

The distance between the y's is -3-(-7)=4.

So the distance between two points (x_1,y1)\text{ and }(x_2,y_2) is \sqrt{(x_1-x_2)^2+(y_1-y_2)^2}.

So we already found x1-x2 and y1-y2 so now we have:

\sqrt{(4)^2+(4)^2}

\sqrt{16+16}

\sqrt{2(16)

\sqrt{16}\sqrt{2}

4\sqrt{2}

7 0
3 years ago
an hourglass is turned over with the top part filled with sand. after 3 minutes, there are 855 ml of sand in the top half. after
Hitman42 [59]

An hourglass is turned over with the top part filled with sand. after 3 minutes, there are 855 ml of sand in the top half. after 10 minutes, there are 750 ml of sand in the top half. This can be represents a two points ( 3, 855) and (10, 750) . using this to solve the slope m = (750-855)/(10-3) = -15. And using one point the equation is y = -15x + 900.

5 0
2 years ago
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A hike starts at an elevation 13 4/5 feet below sea level and ends at an elevation that is 1,542 feet higher . How high was the
Montano1993 [528]
The answer is (B) 1,528 1/5
7 0
2 years ago
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What is the gcf of 16 24 and 36
Nutka1998 [239]

Answer:

4

Step-by-step explanation:

Calculate Greatest Common Factor for :

   16, 24 and 36

Factorize of the above numbers :

   16 = 2^{4}  

   24 = 2^{3} • 3  

   36 = 2^{2} • 3^{2}  

Build a prime factors table

   Number of times each prime factor

   appears in the factorization of :

Prime  Factor     Number  16   Number  24   Number  36    G.C.F   (min)  

2 4 3 2 2

3 0 1 2 0

GCF = 2²

Greatest Common Factor is :

     4

Hope this helps :)

7 0
3 years ago
What is the length of leg s of the triangle below? A. 2.2 B. 4 C. 32 D. 4 E. 1.5 F. 16
stiv31 [10]

Answer:

s = 4

Step-by-step explanation:

Note that the triangle has 2 congruent base angles, both 45°

This means the triangle is isosceles with congruent legs, then

s = 4

4 0
3 years ago
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