se marco ha 3 mele giulia ne ruba 2 quante mele ha marco?

X = 31, Y = 63 satisfy the case of 0 ≤ Y < 100 as an expression.

An algebraic expression in mathematics is an expression that consists of variables and constants and algebraic operations (addition, subtraction, etc.). Expressions are made up of concepts.

Assume Kaimi was supposed to be paid X dollars Y cents (0 ≤ Y ≤ 100)

But the teller gave him Y dollars X cents.

Thus kaimi has 100Y + X cents.

A nickel is worth 5 cents.

Hence, after buying the piece of candy for a nickel, Kaimi would be left with 100Y + X - 5 cents.

This is twice his paycheck:

⇒ 100Y + X - 5 = 2(100X + Y)

⇒ 100Y + X - 5 = 200X + 2Y

⇒ 98Y - 199X = 5

199 = 98 × 2 + 3 ⇒ 3 = 199 - 98 × 2

98 = 3 × 32 + 2 ⇒ 2 = 98 - 3 × 32

3 = 2 × 1 + 1 ⇒ 1 = 3 - 2 × 1

2 = 1 × 2 + 0 ⇒ ged(199, 98) = 1

1 = 3 - 2 × 1

= 3 - (98 - 3 × 32) × 1                [∵ 2 = 98 - 3 × 32]

= 3 - 98 × 1 + 3 × 32

= 3 × 33 - 98 × 1

= (199 - 98 × 2) × 33 - 98 × 1    [∵ 3 = 199 - 98 × 2]

= 199 × 33 - 98 × 67

⇒ 1 = 199 × 33 - 98 × 67

⇒ 5(1) = 5 (199 × 33 - 98 × 67)

⇒ 5 = 199(165) - 98(335)         [∵ 5 ×33 = 165, 5 × 67 = 335]

⇒ 199(165) - 98(335) = 5

⇒ 98(-335) - 199(-165) = 5

Hence, (X,Y) = (-165, -335) is a solution to 98Y - 199X = 5

But it is required that 0 ≤ Y < 100

Now since it is the difference of two quantities, 98Y and 199X, that is a constant, 5, either both of these quantities will increase simultaneously or both will decrease simultaneously.

Hence, either both X, Y will increase or both, X, Y will decrease.

To bring Y = -335 in the range of 0 ≤ Y < 100, it needs to be increased.

Hence, both X, Y will increase.

X will increase by the absolute value of the coefficient of Y and vice-versa. Hence, X will increase by 98 and Y will increased by 199 to give

(X, Y) = (-165 + 98, -335 +199) = (-67, -136)

Still, it is not the case that 0 ≤ Y < 100

Hence, again X will increase by 98 and Y will increase by 199 to give

(X, Y) = (-67 +98, -136 +199) = (31, 63)

Now, it is the case that 0 ≤ Y = 63 < 100

∴ X = 31, Y = 63

Note that the increasing X again by 98 and Y by 199 will violate

0 ≤ Y < 100. Hence, this is the unique solution.

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Answer:

8 in

Step-by-step explanation:

\(b=\sqrt{10^2-6^2}=\sqrt{100-36}=\sqrt{64} = 8\)

The time taken by Amy to travel to the place was t = 4 hours.

A measure of average speed is the amount of distance travelled in a given amount of time. It is determined by dividing the overall mileage by the overall time required to cover that mileage.

In physics and other sciences, average speed is frequently employed to describe how objects move. For instance, it is possible to estimate how long it will take to go a certain distance or assess a car's fuel economy by looking at its average speed over a given distance. By dividing the whole distance travelled by the total time required, average speed may also be used to characterise the speed of an object that is moving at various speeds at different points along its path.

Let the time taken to get back = t + 1.

Now, it took one hour less time to get there thus time = t.

Now, average speed is given as:

average speed = total distance / total time

Substituting the values:

50 km/h = d / t

d = 50t  .........(1)

40 km/h = d / (t + 1)

d = 40(t + 1)......(2)

Setting the value of d as equal we have:

50t = 40(t + 1)

50t = 40t + 40

10t = 40

t = 4

Hence, the time taken by Amy to travel to the place was t = 4 hours.

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Answer:

the answer is 0.75

Step-by-step explanation:

you divide by 100

Answer: 0.75

Just divide 75 by 100. Hope this helps

Answer:

the equation is (2x^9y^n)(4x^2y^10)=8x^11y^20

Step-by-step explanation:

,

The order of operations (PEMDAS) states that we should perform multiplication and division before addition and subtraction. Using this order, we get:

244 - (33456 / 3456) * 345 + 13.55 - 2

= 244 - 97.02 * 345 + 13.55 - 2

= 244 - 33494.1 + 13.55 - 2

= -33238.55

Therefore, 244-33456/3456*345+13.55-2 = -33238.55.

Answer:

Step-by-step explanation:

$100x0.5x1=$5

Answer:

Step-by-step explanation:

The equation of the line with the given points is y = 6x - 4. This can be derived by calculating the slope of the line, which is 6, and then using the point-slope form of the equation of a line, y - y1 = m(x - x1), where m is the slope and (x1, y1) is a point on the line. In this case, the given points are (x1, y1) = (1, 10), so the equation of the line is y - 10 = 6(x - 1) or y = 6x - 4.

Answer y == 3

+7

Step-by-step explanation:

The graph of a linear relationship contains the points (1, 10) and (3, 16).

Write the equation of the line in slope-intercept fo

Step-by-step explanation:

the general slope-intercept form is

y = ax + b

a is the slope, which is the ratio of "y coordinate change / x coordinate change" when going from one point to another on the line.

b is the y-intercept - the y value when x = 0.

for the slope we see

x changes by +2 (from 1 to 3)

y changes by +6 (from 10 to 16)

so, the slope a is +6/+2 = 3

and the semi-ready equation is

y = 3x + b.

now we use one of the points in the equation to solve for b. I picked (1, 10) :

10 = 3×1 + b = 3 + b

b = 7

so, the full equation is

y = 3x + 7

Answer:    32 and 43

Step-by-step explanation:

Answer:

To find the mean waiting time, you need to add up all the waiting times and divide by the number of customers. In this case, the total waiting time is 6.8 + 7.5 + 7.2 = 21.5 minutes. Since there are 3 customers, the mean waiting time is 21.5 / 3 = 7.17 minutes. Rounded to one decimal place, the mean waiting time is 7.2 minutes.

Step-by-step explanation:

Answer:

The answer is 28

Step-by-step explanation:

Please mark brainliest

Answer:

no its an irrational number

Step-by-step explanation:

hope it helps im not 100%

Answer:

D

Step-by-step explanation:

An equation with both x and y in it will draw a graph, in this case a line. A line is an infinite number of points, and each point is a solution, so it is a set of all solutions.

Answer:

68°

Step-by-step explanation:

Total angle in a quadrant = 90°

x + 22° = 90°

x = 90 - 22

x = 68°

The linear equation in standard form is g + s + b=104, the relationship between silver to bronze medals is g = s  and the solution is g=46, s=29, b=29

(a) Since the United States won 104 gold (g), silver s, and bronze (b) medals in the 2012 Summer Olympics.

This means the sum of gold (g), silver s, and bronze (b) medals is equal to 104. Thus, the linear equation in standard form is:

g + s + b = 104

(b) Since the United States won 46 gold medals and the same number each of silver and bronze medals. This implies:

g = 46

s = b

Thus, the relationship between the number of silver to bronze medals is s = b

(c) To solve the linear equation, substitute g = 46 and s = b into the equation g + s + b = 104:

g + s + b = 104

46 + b + b = 104

46 + 2b = 104

2b = 104 -46

2b = 58

b = 58/2

b = 29

Also, s = 29        (Remember: s = b)

Thus, g = 46, s =29, b = 29

Therefore, the United States won 46 gold (g), 29 silver (s), and 29 bronze (b) medals in the 2012 Summer Olympics. Select options a., d. and e. for a., b., and c. respectively

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Answer:

14ft

Step-by-step explanation:

Perimeter of a square = 4s where s = side length

Here, we are given the perimeter, and we want to find the side length. To do so we plug in the perimeter and solve for s

Perimeter = 56

So 56 = 4s

==> divide both sides by 4

14 = s

A square with a perimeter of 56 feet has a side length of 14 feet

The 5/12 cups of dog food are recommended for a 25-pound adult dog

Step-by-step explanation:

Given:

The relationship between the weight of the adult dog (X) and the amount of dog food in cups (Y) is proportional.

To find:

Dog food for the 25-pound adult dog

Solution:

The weight of the adult dog (X) is proportional to the amount of dog food in cups are proportional.

\(X\propto Y\\\text{The equation for the relationship will be given as :}\\X=kY\\k=\frac{X}{Y}= Constant\)

From the table given, we can calculate the value of the constant k.

\(k=\frac{10}{\frac{1}{6}}=\frac{40}{\frac{2}{3}}=\frac{50}{\frac{5}{6}}=\frac{100}{1\frac{2}{3}}\\k=\frac{10}{\frac{1}{6}}=\frac{40}{\frac{2}{3}}=\frac{50}{\frac{5}{6}}=\frac{100}{\frac{5}{3}}\\k=\frac{60}{1}=\frac{40\times 3}{2}=\frac{50\times 6}{50}=\frac{100\times 3}{5}\\k=60\)

Let the dog food recommended for the 25-pound adult dog be y.

Weight of the dog = x = 25 pounds

Cups of dog food recommended = y

k = 60

Using the equation for the given relationship:

\(25=60\times y\\y=\frac{25}{60}=\frac{5}{12}\)

The 5/12 cups of dog food are recommended for a 25-pound adult dog.

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Answer:

15

Step-by-step explanation:

the answer is x=15

-3x+33=-12

-3x=-12-33

-3x=-45

x=-45/-3

x=15

Answer:

πr^2 h

π(11)^2 (15)

= 1815π or = 5701

Answer:

f(x) = g(x)

3(2) - 4 = (2)² - 2

6 - 4 = 4 - 2

2 = 2

Step-by-step explanation:

I just substituted all the values in the domain to see which one would work. That's not really the quickest way but that's the only way I know

the answer is 4

Step-by-step explanation:

1²+ 3

1+3=4.

Answer:

so that you will multiply 15 * 4.

Step-by-step explanation:

15*4 = 60 now you divide 60 by 4 and the answer will be 15.

Answer:

Step-by-step explanation:

From the given information:

\(T(\bar X) = \dfrac{1}{3}\left[\begin{array}{ccc}-1&-2&2\\-2&2&1\\2&1&2\end{array}\right]\)

For eigenvalues:

\(T(\bar X) = \left[\begin{array}{ccc}-1-\lambda &-2&2\\-2&2- \lambda &1\\2&1&2- \lambda \end{array}\right]=0\)

\(\lambda^3 + 3 \lambda^2 + 9\lambda-27=0 \\ \\ -(\lambda+3)(\lambda-3)(\lambda-3) =0 \\ \\ \lambda = -3,3,3\)

Let not forget that from the question; we are given \(\dfrac{1}{3}A\) ; as such eigenvalues will be:

-1,1,1       since \(\dfrac{1}{3} (-3,3,3) = -1,1,1\)

eigenvector for λ = -1

FInd  \(|A - \lambda I |\)

\(=|A+I| =\left[\begin{array}{ccc}\ \dfrac{2}{3}&-\dfrac{2}{3}&\dfrac{2}{3}\\ - \dfrac{2}{3}&\dfrac{5}{3}&\dfrac{1}{3}\\\dfrac{2}{3}&\dfrac{1}{3}&\dfrac{5}{3}\end{array}\right] \left[\begin{array}{c}x_1\\x_2\\x_3\end{array}\right] = \left[\begin{array}{c}0\\0\\0\end{array}\right]\)

we have :

\(x_1 +2x_3 =0 \\ \\ x_2+x_3 = 0\)

Thus;

\(x_1 = -2x_3 \\ \\ x_2= -x_3\)

eigenvector for λ = -1 ⇒\(\left[\begin{array}{c}x_1\\x_2\\x_3\end{array}\right] = \left[\begin{array}{c}-2x_3\\-x_3\\+x_3\end{array}\right]\)\(=\left[\begin{array}{ccc}-2\\1\\1\end{array}\right] \ \ \ \ for \ x_3 = 1\)

For λ = 1

\(|A - \lambda I |= |A-I|= \left[\begin{array}{ccc}\ - \dfrac{1}{3}&-\dfrac{2}{3}&\dfrac{2}{3}\\ - \dfrac{2}{3}& - \dfrac{1}{3}&\dfrac{1}{3}\\\dfrac{2}{3}&\dfrac{1}{3}&- \dfrac{1}{3}\end{array}\right] \left[\begin{array}{c}x_1\\x_2\\x_3\end{array}\right] = \left[\begin{array}{c}0\\0\\0\end{array}\right]\)

\(x_1 + \dfrac{x_2}{2}- \dfrac{x_3}{3} =0\)

\(x_1 = - \dfrac{x_2}{2}+\dfrac{1}{2}x_3\)

Thus ;

\(\left[\begin{array}{c}x_1\\x_2\\x_3\end{array}\right] = \left[\begin{array}{c} - \dfrac{1}{2} \\ 1 \\0\end{array}\right]x_2 + \left[\begin{array}{c} \dfrac{1}{2} \\ 0\\1\end{array}\right]x_3\)

As such; \(\left[\begin{array}{c} - \dfrac{1}{2} \\ 1 \\0\end{array}\right] \ and \ \left[\begin{array}{c} \dfrac{1}{2} \\ 0\\1\end{array}\right] \ forms \ the \ basis \ of \ eigenpace\)

Given that  T is the reflection

Thus for \(T*T = I \ i.e \ T^2 = I\)

we must have: \(\lambda^2 = 1 \to \lambda = \pm 1\)

We can now conclude that the reflection pressures length and any other eigenvalue would mean reflection is stretching or shrinking a vector.

Using the formula for the area of a rectangle, the area of the cellphone is 18x⁻¹y⁸ OR 18y⁸/x

From the question, we are to calculate the area of the cellphone shown in the diagram

From the given information,

We have a diagram that shows a cellphone which is rectangular in shape.

Thus,

We will use the formula for finding the area of a rectangle to calculate the area of the cellphone.

Area of a rectangle = Length * Width

From the given information,

Length of the cellphone = 6x²y⁶

Width of the cellphone = 3x⁻³y²

Thus,

Area of the cellphone = 6x²y⁶ × 3x⁻³y²

Area of the cellphone = 6 × 3 × x² × x⁻³ × y⁶ × y²

Area of the cellphone = 18 × x⁻¹ × y⁸

Area of the cellphone = 18x⁻¹y⁸ OR 18y⁸/x

Hence,

The area of the cellphone is 18x⁻¹y⁸ OR 18y⁸/x

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Type I error is "Megan's results show significant improvements in health associated with a whole foods diet."

A Type I error occurs when the null hypothesis is rejected, even though it is true.

In this case, the null hypothesis states that a whole foods diet would not have any impact on general health.

Therefore, a Type I error would occur if Megan's results show significant improvements in health associated with a whole foods diet.

This means that Megan would reject the null hypothesis and conclude that a whole foods diet does have an impact on general health, even though it is not true.

So, the statement that would indicate a Type I error is "Megan's results show significant improvements in health associated with a whole foods diet."

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The interest rate of the account that Steve invested in after the given number of years would be = 16%

The total amount of money invested (p) = $2,807

The time of investment= 13 years

The interest generated at the end of the given years = 9,044.13-2807 = $6,237.13

Therefore the rate = ?

The formula for simple interest:

= P×T×R/100

6,237.13= 2,807× 14 ×r/100

Make r the subject of formula;

r= 6,237.14×100/2807×14

r = 623714/39298

r= 15.87139294

r= 16%

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Given statement solution is :- The correct answer is: The frequency is 3 more than expected.

To determine the expected frequency of landing on an even number when rolling a fair six-sided number cube, we need to calculate the probability of landing on an even number and multiply it by the total number of rolls.

The number cube has six possible outcomes: 1, 2, 3, 4, 5, and 6. Of these, three are even numbers: 2, 4, and 6. Therefore, the probability of rolling an even number is 3/6, which simplifies to 1/2 or 0.5.

The expected frequency can be found by multiplying the probability by the total number of rolls:

Expected frequency = Probability of landing on an even number × Total number of rolls

Expected frequency = 0.5 × 30 = 15

Now, we can compare the expected frequency (15) to the actual frequency (18) given in the problem statement.

The actual frequency is 18, and it is 3 more than the expected frequency (18 - 15 = 3).

Therefore, the correct answer is: The frequency is 3 more than expected.

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