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3 years ago

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What is a point-slope equation of the line with slope - 10 that goes through the point (1.4) Ay- 4 = -10(x - 1) By+43-10(x+1) O

c. y - 4 = 10(x-1) D. + 4 = 10(x+1)

1 answer:

weqwewe [10]3 years ago

7 0

Answer:

y-4=-10(x-1)

Step-by-step explanation:

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Find the 6th term of a geometric sequence t3 = 444 and t7 = 7104. So I have to find r. But is this right: 7104 = 444r^4 r^4 = 16

galben [10]

Third term = t3 = ar^2 = 444 eq. (1)

Seventh term = t7 = ar^6 = 7104 eq. (2)

By solving (1) and (2) we get,

ar^2 = 444

=> a = 444 / r^2 eq. (3)

And ar^6 = 7104

(444/r^2)r^6 = 7104

444 r^4 = 7104

r^4 = 7104/444

= 16

r2 = 4

r = 2

Substitute r value in (3)

a = 444 / r^2

= 444 / 2^2

= 444 / 4

= 111

Therefore a = 111 and r = 2

Therefore t6 = ar^5

= 111(2)^5

= 111(32)

= 3552.

<span>Therefore the 6th term in the geometric series is 3552.</span>

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Frances has use 60% of her 25 ounce bottle of dish soap. How many ounces of dish soap has she used?

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The answer is 41.6 or 42

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What kind of triangle is this? 17 17 17

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Equilateral triangle. because all sides are equal.

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Find the first four terms of the sequence<br> An=2a n-1,where a1=3

yKpoI14uk [10]

The first four terms of the sequence are 3 , 6 , 12 , 24

Step-by-step explanation:

We need to find the first four terms of the sequence $a_{n}=2a_{n-1}$

where $a_{1}=3$ to find them do that

Substitute n by 2 in the rule to find $a_{2}$
Substitute n by 3 in the rule to find $a_{3}$
Substitute n by 4 in the rule to find $a_{4}$

∵ $a_{n}=2a_{n-1}$

- Substitute n by 2 to find the 2nd term

∴ $a_{2}=2a_{2-1}$

∴ $a_{2}=2a_{1}$

∵ $a_{1}=3$

∴ $a_{2}=2(3)$

∴ $a_{2}=6$

- Substitute n by 3 to find the 3rd term

∴ $a_{3}=2a_{3-1}$

∴ $a_{3}=2a_{2}$

∵ $a_{2}=6$

∴ $a_{3}=2(6)$

∴ $a_{3}=12$

- Substitute n by 4 to find the 4th term

∴ $a_{4}=2a_{4-1}$

∴ $a_{4}=2a_{3}$

∵ $a_{3}=12$

∴ $a_{4}=2(12)$

∴ $a_{4}=24$

The first four terms of the sequence are 3 , 6 , 12 , 24

Learn more:

You can learn more about the sequences in brainly.com/question/1522572

#LearnwithBrainly

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Which expression is equivalent to 4(5j + 7)?

frozen [14]

Answer: 4(5j+7) = 20j+28

Step-by-step explanation:

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