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3 years ago

Please help mehh! Thank you! :))

Mathematics

1 answer:

kogti [31]3 years ago

6 0

Both (1,3) and (-2,-4)

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The value of k so that the sequence k-1, k+3, 3k-1 forms an arithmetic progression is?

VashaNatasha [74]

Answer:

k = 4.

Step-by-step explanation:

An arithmetic sequence has a common difference.

So for this to be arithmetic:

k + 3 - (k - 1) = 3k - 1 - (k + 3)

k + 3 - k + 1 = 3k - 1 - k - 3

3 + 1 = 2k - 4

4 + 4 = 2k

k = 4.

The sequence is 3, 7, 11.

3 0

4 years ago

Sloane kicked a soccer ball at a speed of 48 feet per second. If the ball never leaves the ground, then it can be represented by

Ierofanga [76]

Answer:

For t = 0.33 s, H = 14.0976 feet;

For t = 3 s, H = 0 feet;

For t = 16 s, H = -3328 feet;

For t = 48 s, H = -34560 feet.

Step-by-step explanation:

Assuming there's a typo on the problem and it wishes to determine the distance traveled by the ball in the given times instead of the time, we can solve it as shown below:

For t = 0.33 s:

$H(t) = -16*t^2 + 48*t\\H(0.33) = -16*(0.33)^2 + 48*0.33\\H(0.33) = -1.7424 + 15.84\\H(0.33) = 14.0976 \text{ feet}$

For t = 3 s:

$H(t) = -16*t^2 + 48*t\\H(3) = -16*(3)^2 + 48*3\\H(3) = -144 + 144\\H(3) = 0 \text{ feet}$

For t = 16 s:

$H(t) = -16*t^2 + 48*t\\H(16) = -16*(16)^2 + 48*16\\H(16) = -4096 + 768\\H(16) = -3328 \text{ feet}$

For t = 48 s:

$H(t) = -16*t^2 + 48*t\\H(48) = -16*(48)^2 + 48*48\\H(48) = -36864 + 2304\\H(16) = -34560 \text{ feet}$

7 0

4 years ago

Read 2 more answers

Find the quotient<br>- 72<br>-8

viva [34]

Answer:

Step-by-step explanation:

72/8=9

5 0

3 years ago

Any help is apprenticed!

nirvana33 [79]

This is the answer. Hope it helps

5 0

3 years ago

<img src="https://tex.z-dn.net/?f=16%20%5Cdiv81%20%5C%3A%20%20-%203%20%5Cdiv%204" id="TexFormula1" title="16 \div81 \: - 3 \div

LUCKY_DIMON [66]

Answer:

16/81-3/4[

=[16×4-3×81]/[81×4]=-179/324 is your answer

6 0

3 years ago