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3 years ago

Stem question, can you plz tell me 3 types of natural water vapor other that steam, fog, and clouds, thanks.

Mathematics

1 answer:

alisha [4.7K]3 years ago

5 0

Answer:

Smoke, Condensation, mist

Step-by-step explanation:

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The mass of a carbon atom is 1.994 × 10-23 grams. The mass of a hydrogen atom is 1.67 × 10-24 grams. What is the difference of t

Bezzdna [24]

Solving:
$1.994*10^{-23}\:-\:1.67*10^{-24} = 
$
$(1.994 - 0.167 )*10^{-23}$
$\boxed{\boxed{1.827*10^{-23}\:grams}}\end{array}}\qquad\quad\checkmark$

4 0

2 years ago

In the triangle ABC shown below, DE is parallel to BC. Find the length of DB.

allsm [11]

Answer:

i think it's 10 because if DE is 10 so BD is the same think it's 10

8 0

2 years ago

The cone and cylinder below have equal surface area

marissa [1.9K]

Answer:

Option B, False

Step-by-step explanation:

Step 1: Get the surface area formulas for both shapes

Surface Area Formula for Cone: $A = \pi * r(r + \sqrt{h^{2} + r^{2}})$

Surface Area Formula for Cylinder: $A = 2\pi rh+2\pi r^{2}$

Step 2: Plug in the values and solve

Cone: $A = \pi * r(r + \sqrt{(3r)^{2} + r^{2}})$

Cone: $A = \pi r^{2} + \pi \sqrt{10}r^{2}$

Cylinder: $A = 2\pi r*r+2\pi r^{2}$

Cylinder: $A=4 \pi r^{2}$

Step 3: Compare

$\pi r^{2} + \pi \sqrt{10}r^{2}\neq 4 \pi r^{2}$

They are not equal, therefore the answer is False.

Answer: Option B, False

6 0

2 years ago

1. Suppose you take a coin and flip it 4 times in a row. After each flip you record whether the coin landed heads or tails. What

bekas [8.4K]

Answer:

25%

Step-by-step explanation:

Great question, since a regular coin has two sides one heads and one tails. That gives us a 50% probability of it landing on either side of the coin. Since we would like to know the probability of getting 2 heads in a row, we would need to multiply the probability of the first toss landing on heads with the second toss landing on heads, like so...

$\frac{1}{2} *\frac{1}{2} =\frac{1}{4}$

So we can see that the probability of us getting two heads in a row is that of \frac{1}{4}[/tex] or 25%.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

4 0

2 years ago

Write the vector YZ in component form. Y(-9, 2) Z(3, -4)

Temka [501]

Answer:

$\displaystyle \overrightarrow{YZ} = \$

General Formulas and Concepts:
Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinate Planes

Coordinates (x, y)

Pre-Calculus

Vectors

Component Form: $\displaystyle \overrightarrow{XY} = \$

Step-by-step explanation:

Step 1: Define

Identify.

Point Y(-9, 2)

Point Z(3, -4)

Step 2: Find

Substitute in points [Vector Component Form]: $\displaystyle \overrightarrow{YZ} = \$
[Order of Operations] Evaluate: $\displaystyle \overrightarrow{YZ} = \$

6 0

2 years ago