The appearance of text is called hyperlink.<br> True<br> False

1. The speed of light is approximately 3 x 108 m/s. How far does light travel in 5.0 x 10 seconds?

leonid [27]

Answer:

far

Step-by-step explanation:

jesus told me and u gotta trust jesus and not ur math teachers logic which is always weird

8 0

3 years ago

Read 2 more answers

Use quadratic regression to find the

umka21 [38]

9514 1404 393

Answer:

y = x^2 +10x -9

Step-by-step explanation:

Quadratic regression generally requires the use of "technology" to aid in finding the equation of the curve of best fit. Use the technology you've been introduced to.

__

When only a few data points are provided, I prefer to use the Desmos graphing calculator. It shows the equation to be ...

y = x^2 +10x -9

3 0

3 years ago

Image to help also needed asap :/

RideAnS [48]

Answer:

Its c/2

Step-by-step explanation:

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3 0

3 years ago

Help 6th grade math please help i will give brainliest

lilavasa [31]

Answer:

multiply 12 times 9

Step-by-step explanation:

I'm pretty sure this is right, I'm sorry if it's wrong

3 0

3 years ago

Item 11

marysya [2.9K]

Answer:

4 ft higher

Step-by-step explanation:

Since the ladder is 10 ft long and its top is 6 feet high(above the ground), we find the distance of its base from the wall since these three (the ladder, wall and ground) form a right angled triangle. Let d be the distance from the wall to the ladder.

So, by Pythagoras' theorem,

10² = 6² + d² (the length of the ladder is the hypotenuse side)

d² = 10² - 6²

d² = 100 - 36

d² = 64

d = √64

d = 8 ft

Since the ladder is moved so that the base of the ladder travels toward the wall twice the distance that the top of the ladder moves up.

Now, let x be the distance the top of the ladder is moved, the new height of top of the ladder is 6 + x. Since the base moves twice the distance the top of the ladder moves up, the new distance for our base is 8 - 2x(It reduces since it gets closer to the wall).

Now, applying Pythagoras' theorem to the ladder with these new lengths, we have

10² = (6 + x)² + (8 - 2x)²

Expanding the brackets, we have

100 = 36 + 12x + x² + 64 - 32x + 4x²

collecting like terms, we have

100 = 4x² + x² + 12x - 32x + 64 + 36

100 = 5x² - 20x + 100

Subtracting 100 from both sides, we have

100 - 100 = 5x² - 20x + 100 - 100

5x² - 20x = 0

Factorizing, we have

5x(x - 4) = 0

5x = 0 or x - 4 = 0

x = 0 or x = 4

The top of the ladder is thus 4 ft higher

7 0

3 years ago

The appearance of text is called hyperlink. True False