Planet Earth has a mass of 5.9726 × 10 24 kilograms. And although 70% of the Earth's surface is made of water, the water's mass is only 5 × 10 -4 percent of the Earth's total mass. Use scientific notation to estimate the mass of the planet's water. In your final answer, include all of your estimates and calculations.

Answer:

No.

Step-by-step explanation:

Negative decimal numbers are rational numbers since rational numbers include all the integers both positive and negative integers, decimal as well as a fraction because decimals can be written as fractions.

The macrostate s of two six-sided dice can be defined as the sum of the top faces of the dice.

The macrostate of a system refers to a comprehensive description of the system in terms of its properties and variables that are used to characterize it. In the case of two six-sided dice, the macrostate is described by the sum of the numbers on the top faces of the two dice, which determines the total score or outcome. This macrostate, represented by the variable "s", is a measurable quantity that summarizes the state of the system, providing information about the distribution of the outcomes over all possible configurations of the two dice.

It's important to note that a macrostate does not specify the exact configuration of the system, but rather provides a probabilistic description of it. In other words, the macrostate "s" only describes the sum of the two dice and does not specify which number is on each die. In thermodynamics, macrostates are used to characterize the thermodynamic properties of a system, such as its temperature, pressure, and entropy. The study of macrostates and their distributions helps us to understand the behavior of complex systems and make predictions about their future behavior.

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Answer: x = 50

Step-by-step explanation:

In the given image, the alternate interior angles are equal. Therefore, 80 + x = 180 - 50 (since straight angles measure 180 degrees). Simplifying this equation, we get 130 + x = 180, which gives us x = 50 degrees. Thus, A||B when x = 50 degrees.

Answer:

It has no solutions.

-2(x+2)=1/4(-8x-4) \

You have to water it down like a normal equation.

-2x-4=-2x-1

& from here you can just tell it won't have any solutions since it is not equal.

Answer:

The answer is -14.

Step-by-step explanation:

16-30

-(30-16)

=-14.

Hope that helped!

Answer:

5

Step-by-step explanation:

i did this before

The probability of drawing a king from a standard deck of 52 cards is 1/13.

In a standard deck of 52 playing cards, there are four kings: the king of hearts, the king of diamonds, the king of clubs, and the king of spades.

To find the probability of drawing a king, we need to determine the ratio of favorable outcomes (drawing a king) to the total number of possible outcomes (drawing any card from the deck).

The total number of possible outcomes is 52 because there are 52 cards in the deck.

The favorable outcomes, in this case, are the four kings.

Therefore, the probability of drawing a king is given by:

Probability = (Number of favorable outcomes) / (Number of possible outcomes)

= 4 / 52

= 1 / 13

Thus, the probability of drawing a king from a standard deck of 52 cards is 1/13.

This means that out of every 13 cards drawn, on average, one of them will be a king.

It is important to note that the probability of drawing a king remains the same regardless of any previous cards that have been drawn or any other factors.

Each draw is independent, and the probability of drawing a king is constant.

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Answer: 5/24

Step-by-step explanation:

(-2/3)+(7/8)=

(-2/3)+(7/8)*24/24=        ==> 24 is the LCM of 3 and 8

\(\frac{(-2*24)/3+(7*24)/8}{24}\)=

\(\frac{-2*24/3+7*24/8}{24}\)=

\(\frac{-2*8+7*3}{24}\)=

\(\frac{-16+21}{24}\)=5/24

Answer:

7

Step-by-step explanation:

Answer:

the answer is 7

Step-by-step explanation:

Answer:

-22=22

Step-by-step explanation:

3,5-5,7=

-22/22

The equation of the line passing through R and PQ is 4(y - 6) = -x - 1/2.

To find the equation of the line passing through the midpoint R and the points P and Q, we first need to find the coordinates of the midpoint R. The midpoint coordinates can be found by taking the average of the x-coordinates and the average of the y-coordinates of P and Q.

The x-coordinate of the midpoint R is (3 + (-5)) / 2 = -1/2.

The y-coordinate of the midpoint R is (5 + 7) / 2 = 6.

So, the coordinates of the midpoint R are (-1/2, 6).

Next, we can use the two-point form of the equation of a line, which states that the equation of the line passing through points (x₁, y₁) and (x₂, y₂) is given by:

(y - y₁) = (y₂ - y₁) / (x₂ - x₁) \(\times\) (x - x₁)

Substituting the coordinates of R (-1/2, 6) and P (3, 5) into the equation, we have:

(y - 6) = (7 - 5) / (-5 - 3) \(\times\)(x - (-1/2))

Simplifying the equation:

(y - 6) = (2 / -8) \(\times\)(x + 1/2)

(y - 6) = -1/4 \(\times\)(x + 1/2)

4(y - 6) = -x - 1/2

Therefore, the equation of the line passing through R and PQ is 4(y - 6) = -x - 1/2.

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Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

Answer:

i think A

Step-by-step explanation:

Answer: C

Step-by-step explanation:

The daily constraints that the plan places on the company are 150 to 220.

A business constraint can be anything that's stopping a company from achieving its goals.

Analysis

f0 \(\leq\) x = 130

50 ≤ y ≤110

150 ≤ x+y=220

This is a linear planning question.

In the figure on the right, any point of the shadow part meets the Constraints.

Constraints can be business or technical in nature and are defined as restrictions or limitations on possible solutions.

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Division is one of the four fundamental arithmetic operations. Iko paid for 11 months.

Division is one of the four fundamental arithmetic operations, which tells us how the numbers are combined to form a new one.

Given that Iko paid $176 total for a premium streaming video service that costs $16 per month. Therefore,

The total amount Iko paid  = $176

The amount paid per month = $16

The number of months to pay $176

= 176 / 16

= 11

This means Iko paid for 11 months.

Thus, Iko paid for 11 months.

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Answer:

Step-by-step explanation:

uhh

Answer:

Pi/4

Step-by-step explanation:

first we have to figure out what cos of 7pi/4 is. Using the unit circle, we know that it is equal to root2/2. Cos to the negative 1 is basically just finding the radian value that matches the value in the parenthesis. This means we have to find the corresponding radian to root2/2. Using the unit circle, we find this to be pi/4

Answer: go to desmo graphing calculator and type in each one this you get the correct answer .

Step-by-step explanation:

Answer: B

Reason: y is greater than x which is (0,0) and since y is greater than, you shade above. And y is less than 4, so you shade below as you can tell the y coordinate is y = 4 horizontally, and if it was an x > 4 it would be vertically shaded above.

a) The given statement is False, we can have two events that are independent but not conditionally independent.

b)From the above statement we know that this statement is also False, as we can have two events which are conditional independent but not independent without condition.

Conditionally independent

Conditional independence in probability theory describes situations in which an observation is irrelevant or redundant when assessing the certainty of a hypothesis.

a) The given statement is False, we can have two events that are independent but not conditionally independent.

As an example, consider the following dice roll:

A = { 1, 2 }

B = { 2, 4, 6}

C = {1, 4}

P(A) = 2/6 = 1/3

P(B) = 3/6 = 1/2

P (A) P(B) = 1/6

P(A and B) = P(2 + B) = P(B) = 1/6

As a result, A and B are independent in this case.

Given for  C,

P(A | C) = P(A and C) / P(C) = 1/2 = 0.5

P(B | C) = P(B and C) / P(C) = 1/2 = 0.5

P(A and B | C) = 0

because C, A, and B cannot occur simultaneously.

Therefore A and B are independent here but not conditionally independent.

b) We know from the preceding statement that this statement is also False, because two events can be conditionally independent but not independently without a condition.

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Answer:

1/2 ,5

Step-by-step explanation:

Answer:

14 x 2 or 56 x 0.5

Step-by-step explanation:

Be creative

56 x 0.5

because 0.5 is less than one it gets smaller

you can also switch them around

Answer:

It will take 5.4 hour to paint 720 square feet

Step-by-step explanation:

The question should be like this"Andy painted 400 square  feet in 3 hours. How long  would it take him to paint  720 square feet?"

In 3 hours = 400 square  feet is painted

1 square feet is painted in \(\dfrac{3}{400}\ h\)

To find time to paint 720 square feet multiply the above term by 720 as follows :

\(720\ ft^2=\dfrac{3}{400}\times 720\ h\\\\=5.4\ h\)

So, it will take 5.4 hour to paint 720 square feet.

Answer:

There exists the same question from other source that shows the two boxes.

Box 1 has a length of 4/5 feet

Box 2 has a length of 3/4 feet

Because Ebony is trying to find the total amount of space needed to hold the boxes, use addition.

Here, is the solution:

= 4 / 5 + 3 / 4

= (16 + 15) / 20

= 31 / 20

So, Ebony can make a shelf at least 31/20 feet wide or 1 11/20 feet.

Answer: right

Step-by-step explanation:

The acceptable first step in simplifying the expression \(\mathbf{\frac{tan\ x}{1 + sec\ x}}\) is (a) \(\mathbf{\frac{tan\ x(1 - sec\ x)}{(1 + sec\ x)(1 - sec\ x)}}\)

The expression is given as:

\(\mathbf{\frac{tan\ x}{1 + sec\ x}}\)

To change the form of the expression, we simply perform several arithmetic operations on it.

Start by multiplying the expression by 1/1

\(\mathbf{\frac{tan\ x}{1 + sec\ x} = \frac{tan\ x}{1 + sec\ x} \times \frac 11}\)

Express 1 /1 as (1 - sec x)/(1 - sec x)

\(\mathbf{\frac{tan\ x}{1 + sec\ x} = \frac{tan\ x}{1 + sec\ x} \times \frac{1 - sec\ x}{1 - sec\ x}}\)

Rewrite the above expression as follows:

\(\mathbf{\frac{tan\ x}{1 + sec\ x} = \frac{tan\ x(1 - sec\ x)}{(1 + sec\ x)(1 - sec\ x)}}\)

Hence, the acceptable first step is (a)

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Answer:

A

Step-by-step explanation:

The possible first step is A

Answer:

25

Step-by-step explanation:

considering that the coin can either land on heads or tails, the probability of each of those situations is 50%. Now multiply: 50 (the number flips) * 0.5 (probability of tails)= 25

Answer:

hi

Step-by-step explanation:

what's up