Maya is saving money to buy a game. So far she has saved $6, which is two-thirds of the total cost of the game. How much does the game cost?

Answer:

Pi = 3.14159265359

Step-by-step explanation:

3.14159, this is π

Followed by 2-6-5-3-5-8-9

Circumference over diameter

7-9, then 3-2-3

OMG! Can't you see?

8-4-6-2-6-4-3

And now we're on a spree

38 and 32, now we're blue

Oh, who knew?

7, 950 and then a two

88 and 41, so much fun

Now a run

9-7-1-6-9-3-9-9

Then 3-7, 51

Half way done!

0-5-8, now don't be late

2-0-9, where's the wine?

7-4, it's on the floor

Then 9-4-4-5-9

2-3-0, we gotta go

7-8, we can't wait

1-6-4-0-6-2-8

We're almost near the end, keep going

62, we're getting through

0-8-9-9, on time

8-6-2-8-0-3-4

There's only a few more!

8-2, then 5-3

42, 11, 7-0 and 67

We're done! Was that fun?

Learning random digits

So that you can brag to your friends

Isa took 4 hour when  isa go from UK to USA and took 14 hour when she returns and time difference will be 10 hours

What is a definition distance?

the extent or amount of space between two things, points, lines, etc. the state or fact of being apart in space, as of one thing from another; remoteness

when isa travels to the usa for a holiday he leaves the uk at 1.00 pm local time and lands at 5.00 pm local time.

so isa took 4 hour

on the return journey he leaves at 8.00 pm local time and lands at 10.00 am local time the next day

isa tool 14 hour

find the length of the flight in hours and the time difference between the uk and the part of the usa that isa visited

length of flight is 18 hour

time difference will be 14-4 = 10 hour

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Answer:

tttttttttttttttttttttttttttttttttttttttttttttttt ty

Step-by-step explanation:

Division is the antithesis of multiplication. When you divide twelve into three equal groups, you get four in each group when you multiply three groups of four to create twelve.

The opposite of multiplication is division. When you multiply three groups of four to produce twelve, you get four in each group when you split twelve into three equal groups. The basic objective of splitting is to determine how many equal groups are created or how many people are in each group after a fair distribution.

The phrase to use is "divide in half," not "divide by half," when discussing splitting something into two equal portions. In mathematics, multiplying by two is equivalent to dividing by half. Additionally, see "multiply by two."

The French term "douzaine," which denotes a group of 12, is where the word "dozen" originates.

2 dozen apples equals 24, and 24 divided by 8 is 3.

Therefore, the answer is 3.

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Answer:

14. C6H12O6 + 6O2 -> 6CO2 + 6H2O

Yes, a special form of a combustion reaction called respiration.

15. Cu(s) + AgNO3(aq) => Ag(s) + CuNO3(aq)

Step-by-step explanation:

Are you asking for equations?

Answer:

BOTH OF THEM ARE TRUE

14:(C6H12O6) burns in oxygen to produce carbon dioxide and water vapor as described in the following equation: C6H12O6 + 6O2 → 6H2O + 6CO2.

15:silver crystal form on the surface of the copper. Additionally, highly soluble copper (I) nitrate is generated.

Answer:

x=23

Step-by-step explanation:

FInd the length of the hypotenuse

4.8+19.2=24

Then make it a ration

24/19.2=x/18.4

Cross multiply

19.2x=(24)(18.4)

19.2x=441.6

x=441.6÷19.2

x=23

The minimum score required for recruitment is 669

The normal distribution is expressed as

z = (x - µ)/σ

Where

x = SAT Mathematics scores.

µ = mean score

σ = standard deviation

From the question, we have

µ = 518

σ = 113

The probability value for the top 9% would be (1 - 9/100) = (1 - 0.09) = 0.91

the z score corresponding to the probability value is 1.34

1.34 = (x - 518)/113

1.34 × 113 = x - 518

151.42 = x - 518

x = 151.42 + 518

x = 669 to the nearest whole number.

Probability:

Possibility is referred to as probability. This branch of mathematics deals with the occurrence of a random event. The value's range is 0 to 1. Probability has been applied into mathematics to predict the likelihood of different events. Probability generally refers to the degree to which something is likely to occur. This fundamental theory of probability, which also applies to the probability distribution, can help you comprehend the possible outcomes for a random experiment. Gonna determine how likely something is to occur, use probability. Many things are hard to predict with 100% certainty. We can only anticipate the possibility of an event occurring using it, or how likely it is.

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The given triangles are obtuse = 36 m, right angled = 225 m and right angled = 2500 m.

Triangle can be defined in which it consists of three sides, three angles and sum of three angles is always 180 degrees.

7.) This triangle is obtuse.

To see this, we can use the Pythagorean theorem:

4*4 + 5*5 = 16 + 25 = 41

6*6 = 36 m

Since 41 > 36, we know that the triangle is obtuse.

8.) This triangle is right.

To see this, we can again use the Pythagorean theorem:

11*11 + 12*12 = 121 + 144 = 265

15*15 = 225 m

Since 265 = 225 + 40, we know that the triangle is right.

9.) This triangle is also right.

We can use the same method as before:

30*30 + 40*40 = 900 + 1600 = 2500

50*50 = 2500 m

Since 2500 = 2500, we know that the triangle is right.

Therefore, The given triangles are obtuse , right angled and right angled.

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Answer:

2x/4y = x/2y = x : 2y

Step-by-step explanation:

The question only gave us the cost of each white tiles and blue tiles respectively . The cost of each white tiles is £2  while the cost of each blue tiles is £4. The total cost of the blue tiles and the white tiles can only be calculated if we know the number of blue and white tiles available.

Let us assume

the number of white tiles = x

the number of blue tiles = y

total cost of white tiles = 2 × x = 2x

total cost of blue tiles =  4 × y = 4y

Therefore, the ratio of the total cost of white tiles to the total cost of the blue tiles can be expressed as follows

2x/4y = x/2y = x : 2y

If the number of white and blue tiles is known it can be replaced in the ratio to find the ratio of the total cost of the white tiles to the total cost of the blue cost.

The best point estimate for the population mean score on the nationwide examination in psychology is the sample mean of 492.

When we take a sample from a population, the sample mean is a point estimate of the population mean. A point estimate is an estimate of a population parameter based on a single value or point in the sample. In this case, the sample mean of 492 is the best point estimate for the population mean, because it is an unbiased estimator.

An estimator is unbiased if it is expected to be equal to the true population parameter. In this case, the expected value of the sample mean is equal to the population mean. This means that if we were to take many different samples from the population and calculate the sample mean for each sample, the average of all these sample means would be equal to the population mean.

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The given question is incomplete, the complete question is:

You would like to construct a 95% confidence interval to estimate the population mean score on a nationwide examination in psychology, and for this purpose we choose a random sample of exam scores. The sample we choose has a mean of 492 and a standard deviation of 78. What is the best point estimate, based on the sample, to use for the population mean?

Step-by-step explanation:

$1.00 - $0.75 = $0.25

She needs $0.25

Answer:

The cost before rebates is: $69.95 + $49.95 = $119.90

The total rebate amount is: $20 + $30 = $50

The cost of two envelopes is: 2 x $0.20 = $0.40

The cost of two stamps is: 2 x $0.394 = $0.788

The total cost after rebates and including expenses is: $119.90 - $50 + $0.40 + $0.788 = $70.078

Rounding to two decimal places, the total cost after rebates and including expenses is $70.08

The actual rebate after expenses is: $50 - $0.40 - $0.788 = $48.812

Rounding to two decimal places, the actual rebate after expenses is $48.81

Answer:

I guess 6.8*10 ^-5 is its standard form

The number of 0.000068 in standard form is \(6.8\times 10^{-5}\).

Given that,

Based on the above information, the calculation is as follows:

= 0.000068

= \(6.8\times 10^{-5}\)

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The algebraic expression for the phrase "the quotient of y and 6" is y / 6

The difference of -3 - 4 is -7.

The algebraic expression of the following phrase "the quotient of y and 6" is as follows:

Quotient is a quantity produced by the division of two numbers.

Therefore, the algebraic expression for the phrase "the quotient of y and 6" is y / 6

The difference of -3 - 4 can be calculated as follows:

The difference of -3 - 4 is -7.

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The cargo plane's speed is 576.7 km /hour.

Given, the cargo plane flew away 9 hours before an air force plane.

The air force plane is in the opposite direction.

speed of the air force plane is : 260 km/hr

time = 3 hours

distance for which plane's are apart = 5970 km

therefore, 9x + 3(260) = 5970

9x + 780 = 5970

9x = 5970 - 780

9x = 5190

x = 5190/9

x = 576.7 km

hence the speed of the cargo plane is 576.7 km.

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Answer:

x= 73

y= 13

Step-by-step explanation:

The sum of the angles opposite the exterior angle = the exterior angle so

x= 141-68

x= 73

The angle sum of a triangle= 180.

180-68-73= 39

since there are 3 "y"s we need to divide 39 by 3

39/3= 13

Answer:

$400

Step-by-step explanation:

20% = 1/5

$80 x 5 = $400

The following is an example of a quadratic inequality: x^2 + 2x - 8 > 0.

This is an example of a quadratic inequality because it is an inequality involving a quadratic function (x^2 + 2x - 8) which is of the form ax^2 + bx + c where a, b, and c are constants.

Quadratic inequalities can be solved by factoring the quadratic expression, using the Quadratic Formula, or graphing the inequality. In order to solve a quadratic inequality, it is important to understand the types of solutions that can be expected.

Solutions may include one solution, two solutions, or no solutions. Additionally, when graphing a quadratic inequality, the graph may be a line or a region. To determine which type of graph to use, the type of inequality must be identified (greater than or less than). If the inequality is a greater than or less than inequality, then the graph will be a region. If the inequality is an equal to inequality, then the graph will be a line.

Solving and graphing quadratic inequalities is an important skill in algebra as it allows us to visualize and solve complex problems.

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The measure of angle ABC is given as follows:

m < ABC = 145º.

Two angles are defined as supplementary angles when the sum of their measures is of 180º.

In a parallelogram, we have that the opposite angles are supplementary.

The opposite angles for this problem are given as follows:

Hence the measure of angle ABC is given as follows:

m < ABC + 35º = 180º.

m < ABC = 145º.

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the corresponding production vector x is:

x = [4,800; 6,000; 10,000]

To find the corresponding production vector x given the technology matrix A and external demand vector d, we can solve the linear system Ax = d, where A represents the technology matrix, x represents the production vector, and d represents the external demand vector.

Given:

A = [0.5 0.1 0; 0 0.5 0.1; 0 0 0.5]

d = [3,000; 4,000; 5,000]

To solve for x, we can set up and solve the equation Ax = d:

[0.5 0.1 0; 0 0.5 0.1; 0 0 0.5] * [x1; x2; x3] = [3,000; 4,000; 5,000]

Simplifying the matrix multiplication:

[0.5x1 + 0.1x2 + 0x3; 0x1 + 0.5x2 + 0.1x3; 0x1 + 0x2 + 0.5x3] = [3,000; 4,000; 5,000]

This gives us the following system of equations:

0.5x1 + 0.1x2 = 3,000  (equation 1)

0.5x2 + 0.1x3 = 4,000  (equation 2)

0.5x3 = 5,000          (equation 3)

Solving the system of equations, we can find the values of x1, x2, and x3.

From equation 3:

0.5x3 = 5,000

x3 = 5,000 / 0.5

x3 = 10,000

Substituting x3 = 10,000 into equation 2:

0.5x2 + 0.1(10,000) = 4,000

0.5x2 + 1,000 = 4,000

0.5x2 = 4,000 - 1,000

0.5x2 = 3,000

x2 = 3,000 / 0.5

x2 = 6,000

Substituting x3 = 10,000 and x2 = 6,000 into equation 1:

0.5x1 + 0.1(6,000) = 3,000

0.5x1 + 600 = 3,000

0.5x1 = 3,000 - 600

0.5x1 = 2,400

x1 = 2,400 / 0.5

x1 = 4,800

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To find out how long it will take for the egg to hit the ground, we need to determine the value of t when the height (h) of the egg is zero. In other words, we need to solve the equation:

-16t^2 + 30 = 0

To solve this quadratic equation, we can use the quadratic formula:

t = (-b ± √(b^2 - 4ac)) / (2a)

In this case, a = -16, b = 0, and c = 30. Substituting these values into the quadratic formula, we get:

t = (± √(0^2 - 4*(-16)30)) / (2(-16))

Simplifying further:

t = (± √(0 - (-1920))) / (-32)

t = (± √1920) / (-32)

t = (± √(64 * 30)) / (-32)

t = (± 8√30) / (-32)

Since time cannot be negative in this context, we can disregard the negative solution. Therefore, the time it will take for the egg to hit the ground is:

t = 8√30 / (-32)

Simplifying this further, we get:

t ≈ -0.791 seconds

The negative value doesn't make sense in this context since time cannot be negative. Therefore, we discard it. So, the egg will hit the ground approximately 0.791 seconds after being dropped.

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The Theoretical yield of solid precipitate is 1.42g/mol

Now, consider solid precipitate as cacl2

let us take the mass of cacl2 and calculate the moles of cacl2.

Mass of CaCl2 =2.0 g

By, default the molar mass of CaCl2 =110.98 g/mol

To calculate the Moles we have a formula:

Moles=Given mass*1 mol/Molar mass of a precipitate.-----(1)

substitute the values in equation (1)

Moles of CaCl2 =2.0 g * 1 mol/110.98g

                           = 0.018 mol

Take another solid precipitate:

Mass of K2Co3=2.0 g

The molar mass of K2Co3 =138.205 g/mol

Now calculating the moles of K2Co3

substitute the values in equation(1)

Moles of K2Co3 =2.0 g * 1 mol/ 138.205g

                             =0.0145 moles

According to balanced equation 1mole of CaCl2 reacts with 1 mole of K2CO

Thus, 0.018 moles of CaCl2 will react with 0.018 moles of K2CO3

And,0.0145 moles of K2CO3 will produce 0.0145 moles of CaCO3

Molar mass of CaCO3 =100.0869 g/mol

Theoretical yield of CaCO3 =moles of CaCO3 *molar mass of CaCO3

                                                =0.0145 moles * 100.0869 g/mol

                                                 =1.45g/mol

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Answer:

Step-by-step explanation:

Explanation: A linear pair of angles is formed when two lines intersect. Two angles are said to be linear if they are adjacent angles formed by two intersecting lines. The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 degrees.

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The inferential statistics would employ the probability to predict how many miles one should be able to drive a 2000 Toyota Celica during its lifetime.

The inferential statistics are calculated by using analytical tools such as test-statistic values, degree of freedom, sample size, and the rejection criteria(assumption or hypothesis).

Thus, the given information is about predicting the miles. So, according to the probability theory, it needs a sample of data about 2000 Toyota Celica.

Hence, it falls under the inferential branch of statistics. So, option C is correct.

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Disclaimer: The given question on the portal was incomplete. Here is the complete question.

Question: Which branch of statistics would employ probability to predict how many miles one should be able to drive a 2000 Toyota Celica during its lifetime?

A. Predictive statistics

B. Descriptive statistics

C. Inferential statistics

D. Differential statistics

Answer:

l = 194999.45

Step-by-step explanation:

I'm going to assume that you meant 3.14 by 3,14.

336,765 = 3.14 × 0.55 × (l + 0.55)

336,765 ÷ (3.14 × 0.55) = l + 0.55

(336,765 ÷ (3.14 × 0.55)) - 0.55 = l

l = 194999.45

Answer:

-725

Step-by-step explanation:

The language is not context-free.

a. The language of all palindromes over {0, 1} containing equal numbers of 0's and 1's is not context-free.

To prove this, we will use the pumping lemma for context-free languages. Assume for the sake of contradiction that this language is context-free, and let p be the pumping length given by the pumping lemma. Consider the palindrome s = 0^p 1^p 0^p 1^p, which is in the language.

By the pumping lemma, we can write s as uvxyz, where |vxy| ≤ p, |vy| ≥ 1, and for all i ≥ 0, uv^ixy^iz is in the language. Since s is a palindrome, v and y must be palindromes themselves. Thus, v and y can only consist of 0's or 1's, and not both. Therefore, when we pump up the string by adding more copies of v and y, we will either add more 0's or more 1's, but not both, breaking the requirement that the palindrome contains equal numbers of 0's and 1's. This contradicts the fact that uv^ixy^iz is in the language for all i ≥ 0, and therefore the language is not context-free.

b. The language of strings over {1, 2, 3, 4} with equal numbers of 1's and 2's, and equal numbers of 3's and 4's is not context-free.

To prove this, we will again use the pumping lemma for context-free languages. Assume for the sake of contradiction that this language is context-free, and let p be the pumping length given by the pumping lemma. Consider the string s = (1^p 2^p 3^p 4^p)^(p+1), which is in the language.

By the pumping lemma, we can write s as uvxyz, where |vxy| ≤ p, |vy| ≥ 1, and for all i ≥ 0, uv^ixy^iz is in the language. Since s contains equal numbers of 1's and 2's, and equal numbers of 3's and 4's, we know that v and y must contain an equal number of 1's and 2's, and an equal number of 3's and 4's.

Now consider the string uv^2xy^2z. Since v and y both contain an equal number of 1's and 2's, and an equal number of 3's and 4's, pumping up the string by adding more copies of v and y will preserve this property. However, pumping up the string will also increase the length of v and y, which means that the number of 1's and 2's, and the number of 3's and 4's, that are adjacent to v and y will be different from the number of 1's and 2's, and the number of 3's and 4's, that are adjacent to the original v and y. Therefore, uv^2xy^2z is not in the language, which contradicts the fact that uv^ixy^iz is in the language for all i ≥ 0. Thus, the language is not context-free.

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