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Virty [35]
3 years ago
12

What is the recursive formula for each arithmetic sequence. -5,-8.5,-12,-15.5,-19

Mathematics
1 answer:
dusya [7]3 years ago
5 0

The answer is in the image

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Please help me understand this​
Delvig [45]

The correct answer is 75% increase.

The number 4 to 7 is increasing not decreasing since the number is higher than before.

Also 4 x 0.75 = 3 and 4 + 3 = 7 so it’s and increase of 75%

Hope this helps.

7 0
3 years ago
sharyn needs 3 3/8 yards of fabric to make a dress for herself and 2 1/8 yards of the same fabric to make a matching dress for h
Mice21 [21]
5/8 yards of fabric
Because 6 1/8 - (3 3/8 + 2 1/8) 
8 0
3 years ago
Read 2 more answers
If an arrow is shot upward on Mars with a speed of 56 m/s, its height in meters t seconds later is given by y = 56t − 1.86t^2. F
makkiz [27]

Answer:

<h2><em>50.42m/s</em></h2>

Step-by-step explanation:

Average speed is the change in distance of a body with respect to time. This is expressed as:

v = \delta y/\delta t\\v = \dfrac{y(t_2)-y(t_1)}{t_2-t_1}

Given the function of the height in metres expressed as y = 56t − 1.86t² and time interval [1,2]

t₁ = 1sec and t₂ = 2 secs

y(t₂) = 56t₂ − 1.86t₂²

y(2) = 56(2) − 1.86(2)²

y(2) = 112-7.44

y(2) = 104.56

y(t₁ ) = 56t₁  − 1.86t₁ ²

y(1) = 56(1) − 1.86(1)²

y(1) = 56-1.86

y(1) = 54.14

Substituting the derived value into the formula for finding the average speed:

v = \dfrac{y(t_2)-y(t_1)}{t_2-t_1}\\\\v = \dfrac{104.56-54.14}{2-1}\\\\v = \dfrac{50.42}{1}\\\\v = 50.42m/s

<em>Hence, the average speed over the given time intervals. [1, 2] is 50.42m/s</em>

4 0
4 years ago
Find the quotient 45a2-5a3/5a​
NISA [10]

Answer:

9a-a^2 is the required quotient.

Step-by-step explanation:

\frac{45 {a}^{2}  - 5 {a}^{3} }{5a}  \\  =  \frac{5a(9a - {a}^{2} )}{5a}  \\  = 9a -  {a}^{2}

4 0
4 years ago
Which of the following shows the Distributive Property of Multiplication of 4 x 24?
Zigmanuir [339]

Answer: B

Step-by-step explanation:

(4 x 20) + (4 x 4) - This can be simplified.

80 + 16 = 96

24 x 4 = 96

Therefore, B is correct.

7 0
3 years ago
Read 2 more answers
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