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3 years ago

HELP MEEEEE DONT DO IT FOR JUST POINTS :(

Mathematics

2 answers:

xz_007 [3.2K]3 years ago

6 0

Answer:

compacting and sedimentation!

Step-by-step explanation:

sediments are basically lose rocks and debris, so going from sediments to b, is the process of the sendimentation being compressed together to create rocks! these rocks are called sedimentary rocks :)

antoniya [11.8K]3 years ago

4 0

Answer:

I think its copaction and cementation

Step-by-step explanation:

ya ik i spelled it wrong but yall know what i mean

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An arcade holds a game night. Of the 120 customers who visit during the game night, 30 customers are offered free games. What pe

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Answer:

75% of customers are not offered free games.

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3 years ago

F(x)=2log(-1/2x-1)+1

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Answer:

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Step-by-step explanation:

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2 years ago

Help math beats me up in dark alleys

andriy [413]

Replace x with 3:

f(x) = 20(0.5)^x

f(3) = 20(0.5)^3

First do 0.5^3 = 0.125

Now multiply that by 20:

20 x 0.125 = 2.5

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3 0

3 years ago

Solve for x in the equation.

labwork [276]

Answer:

The solution is $\displaystyle x=1\pm \sqrt{47}$ . Fourth option

Explanation:

Solve for x:

$2x^2+3x-7=x^2+5x+39$

Move all the terms from the right to the left side of the equation, a zero in the right side:

$2x^2+3x-7-x^2-5x-39=0$

Join all like terms:

$x^2-2x-46=0$

The general form of the quadratic equation is:

$ax^2+bx+c=0$

Solve the quadratic equation by using the formula:

$\displaystyle x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

In our equation: a=1, b=-2, c=-46

Substituting into the formula:

$\displaystyle x=\frac{-(-2)\pm \sqrt{(-2)^2-4(1)(-46)}}{2(1)}$

$\displaystyle x=\frac{2\pm \sqrt{4+184}}{2}$

$\displaystyle x=\frac{2\pm \sqrt{188}}{2}$

Since 188=4*47

$\displaystyle x=\frac{2\pm \sqrt{4*47}}{2}$

Take the square root of 4:

$\displaystyle x=\frac{2\pm 2\sqrt{47}}{2}$

Divide by 2:

$\displaystyle x=1\pm \sqrt{47}$

First option: Incorrect. The answer does not match

Second option: Incorrect. The answer does not match

Third option: Incorrect. The answer does not match

Fourth option: Correct. The answer matches exactly this option

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3 years ago

Which of the following fractions is smaller than<br> 1/2

Harman [31]

the answer is C: 3/7

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3 years ago