2 years ago

Find a122 of the sequence 5, 8, 11

1 answer:

8 0

5, 8, 11, ... is an arithmetic sequence where:

$a_1=5;\ a_2=8;\ d=8-5=3\\\\a_n=a_1+(n-1)d\to a_n=5+(n-1)\cdot3=5+3n-3=2+3n\\\\therefore\\\\a_{122}=2+3\cdot122=2+366=368$

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The parabola y=x^2y=x 2 y, equals, x, start superscript, 2, end superscript is reflected across the xxx-axis and then scaled ver

kramer

ANSWER

The equation of the new parabola is

$y = - 5 {x}^{2}$

EXPLANATION

The given parabola has equation:

$y = {x}^{2}$

If this parabola is reflected in the x-axis, its equation becomes :

$y = - {x}^{2}$

When this parabola is scaled vertically by a factor of 5, the equation becomes,

$y = - 5 {x}^{2}$

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2 years ago

Solve for x: one over eight (8x + 15) = 24

svetlana [45]

1/8 ( 8x + 15)= 24

x + 1 7/8= 24

x= 24 - 1 7/8

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The answer is none of them.

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Read 2 more answers

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Margaret [11]

Answer:

Your answer should be AC=2DF=34

Step-by-step explanation:

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1 year ago

Jake went on a riverboat tour. After returning from the tour, he was curious to know the speed at which the boat was going. Duri

atroni [7]

I'm sorry I'm too lazy to read all of that. However, I did get the main point. The river was going at 3 mph. Since he wanted to travel 10 miles upstream and downstream, you would have to subtract 20 by 3. This would mean he was going at a speed of 17 mph.

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2 years ago

Point H is the circumcenter of triangle DEF. Which must be true? Check all that apply. Point H is the center of the circle that

Dmitrij [34]

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