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3 years ago

True or False? Natural Numbers are closed under division.

Mathematics

1 answer:

nignag [31]3 years ago

7 0

False because you can subtract your way out of the set of whole numbers

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What is y=-2(x+3)^2+2

cupoosta [38]

Answer:

y = -2(x + 3)² + 2

y = 2{ -(x + 3)²+ 1}

y = 2{ -(x² + 6x + 9) + 1}

y = 2{ -x² - 6x - 9 + 1}

y = 2{ -x² - 6x - 8 }

<u>y = -2 { x² + 6x + 8}</u>

<u>y = -2{(x + 4)(x + 2)}</u>

5 0

3 years ago

Tell me the answer with solution step by step

Brums [2.3K]

Answer:

Step-by-step explanation:

3 0

3 years ago

This problem deals with flipping six fair coins (heads and tails have an equal probability of coming up). the six coins are flip

Allushta [10]

I dont really know this one fully

3 0

4 years ago

The area of an equilateral triangle is given by A =3^1/2/4s^2. Find the length of the side s of an equilateral triangle with an

yan [13]

Answer:

The length of the side of an equilateral traingle $s=2\sqrt{2}$ inches

Step-by-step explanation:

Given that the area of an equilateral triangle is given by

$A=3^\frac{1}{2}s^2$

It can be written as

$a=\frac{\sqrt{3}}{4} s^2$ Square inches (1)

To find the length of the side s os an equilateral triangle

Given that area of an equilateral triangle is $12^\frac{1}{2}$ square inches

It can be written as

$A=12^\frac{1}{2}$

$A=\sqrt{12}$ square inches

It can be written as

$A=12^\frac{1}{2}$

$A=\sqrt{12}$ square inches (2)

Now comparing equations (1) and (2) we get

$\frac{\sqrt{3}}{4}s^2=\sqrt{12}$

$\frac{\sqrt{3}}{4}s^2=\sqrt{4\times 3}$

Dividing by $\frac{\sqrt{3}}{4}$ on both sides we get

$\frac{\frac{\sqrt{3}}{4}s^2}{\frac{\sqrt{3}}{4}}=\frac{2\sqrt{3}}{\frac{\sqrt{3}}{4}}$

$\frac{\sqrt{3}}{4}s^2\times\frac{4}{\sqrt{3}}=2\sqrt{3}\times\frac{4}{\sqrt{3}}$

$s^2=8$

$s=\sqrt{8}$

Therefore $s=2\sqrt{2}$ inches

Therefore the length of the side of an equilateral traingle $s=2\sqrt{2}$ inches

3 0

3 years ago

Find the value of x ( Area, Circumference, & Arcs )

ICE Princess25 [194]

Answer:

x=36

Step-by-step explanation:

4 0

3 years ago