Find the next two terms: 1, 11, 111, 1111....

Mathematics

1 answer:

Juli2301 [7.4K]3 years ago

5 0

Answer:

1111, 11111

Step-by-step explanation:

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The solution to a system of two linear equations is (4, -3). One equation has a slope of 4. The slope of the other line is the n

astraxan [27]

Answer:

Hello,

First equation is false

Second equation is true

Step-by-step explanation:

(4,-3) is a point of the line y=4x-19 since

-3=?4*4-19

-3=-3

(4,-3) is not a point of the line y=1/4x-2 since

-3=? 1/4*4-2

-3=? 1-2

-3≠-1

I have written that because it is difficult for me to understand

"the negative reciprocal of the slope of the first"

the negative reciprocal of 4 should be -1/4.

Equation y=1/4x-2 is false.

5 0

2 years ago

A ball rolls down an inclined plane such that the distance (in centimeters) that it rolls in t seconds is given by s(t) = 2t^3 +

IRISSAK [1]

The ball's velocity will be represented by the derivative of its distance function:

$s'(t)=6t^2+6t$

Now find the times $t$ for which this is equal to 30, i.e. solve

$6t^2+6t=30\implies t^2+t-5=0$

This has two solutions, $t=-\dfrac{1\pm\sqrt{21}}2$ , but only one is positive and falls in the interval $[0,3]$ . So the velocity reaches 30 cm/s when $t=-\dfrac{1-\sqrt{21}}2\approx1.79$ .