1/2=2/5y needhelp with this asap plz

Answer:

3

Step-by-step explanation:

Point p was on -1, 2

Point p' was on -3, 6

IF you divde p' by p you get 3, so the dialation is 3.

Answer:

2/5 is greater

Step-by-step explanation:

Answer:

2/5

Step-by-step explanation:

Multiply 5 by 20 to get to 100, then multiply 2 by 20 to get 40

2/5 is greater

Hope this helps :-)

Answer:

$0.52 cents per banana. $39 divided by the 75 bananas

Step-by-step explanation:

Answer:

$0.52

Step-by-step explanation:

When finding the unit price, we use divide the certain number of units of an item by the number of units

So for this question we will divide 39/75 to get a result of $0.52

Answer:

RATIO

Step-by-step explanation:

Answer:

y=8x+1

Step-by-step explanation:

y=mx+b

m=rise/run=(8)/(1)=8

y=8x+b

b is the y-intercept  

y=8x+1

Answer:

− 1.5 f  −19

that's the correct answer.

Answer:

A

Step-by-step explanation:

It can only be a bc its the only one with -4 as b

The perimeter of the textbook cover should be reported as 123.1 cm, using four significant figures.

When calculating the perimeter of the textbook cover, it is important to consider the number of significant figures in the measurements. The general rule is that the result of a calculation should have the same number of significant figures as the least precise measurement used in the calculation.

In this case, the length of the textbook cover is given as 36.71 cm with four significant figures, while the width is given as 24.83 cm with four significant figures as well. When calculating the perimeter, you add the lengths of all four sides of the rectangle.

Perimeter = 2(length + width) = 2(36.71 cm + 24.83 cm)

To maintain the same level of precision as the least precise measurement, we need to consider the width, which has four significant figures. Thus, the result should be reported with four significant figures.

Perimeter = 2(36.71 cm + 24.83 cm) = 2(61.54 cm) = 123.08 cm

Therefore, the perimeter of the textbook cover should be reported as 123.1 cm, using four significant figures.

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The unit of measurement used is A. Standard deviation is the unit of measurement used to describe how far a set of values are from the mean.

The degree of variation of data from the average, or mean, is gauged by the standard deviation. It provides us with information on the average amount by which each data point diverges from the mean.

A lesser standard deviation suggests that the data points gather closely around the mean, whereas a greater standard deviation signifies that the data points are further dispersed. To standardize a value, we subtract the mean from the value and then divide by the standard deviation.

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Answer:

For this case we have a total of 10 nonfiction books and 8 fiction books, we are going to assume that the selection is without replacement so then for the first case the probability of select a fiction book is:

\( \frac{8}{18}\)

For the second selection we have 17 books remaining and the probability of select a nonfiction book is:

\( \frac{10}{17}\)

For the last selection we have 16 books remaining and the probability of select a fiction book would be:

\(\frac{7}{16}\)

Sinally since the events are independent the total probability would be:

\( \frac{8}{18} *\frac{10}{17}*\frac{7}{16}= 0.114\)

Step-by-step explanation:

For this case we have a total of 10 nonfiction books and 8 fiction books, we are going to assume that the selection is without replacement so then for the first case the probability of select a fiction book is:

\( \frac{8}{18}\)

For the second selection we have 17 books remaining and the probability of select a nonfiction book is:

\( \frac{10}{17}\)

For the last selection we have 16 books remaining and the probability of select a fiction book would be:

\(\frac{7}{16}\)

Sinally since the events are independent the total probability would be:

\( \frac{8}{18} *\frac{10}{17}*\frac{7}{16}= 0.114\)

Answer:it’s A

Step-by-step explanation:

did the test

Each edge of the original cube is of length x cm. The diagonal A F has length 20 cm the value of x is 20√2 cm.

Let's label the points in the diagram as follows:

- A, B, C, D are the vertices of the original cube.

- E is the midpoint of the edge BC.

- F is the point where the plane cuts the cube, which is the midpoint of the diagonal AD.

First, let's find the length of the edge EF using the Pythagorean theorem. We know that A F = 20 cm and AE = EF/2, so:

EF² = 2×AE²   (by Pythagoras theorem in triangle AEF)

EF² = 2×(A F/2)²

EF² = A F²/2

EF = √(A F²/2)

EF = 10√2 cm

Next, let's find the length of the diagonal AC using the Pythagorean theorem in triangle AEC. We know that AE = EF/2 = 5√2 cm and EC = x cm, so:

AC² = AE² + EC²

AC² = (5√2)² + x²

AC² = 50 + x²

AC = √(50 + x²) cm

Finally, let's find the length of the diagonal AD using the Pythagorean theorem in triangle AFD. We know that A F = 20 cm and FD = x/2 cm (since F is the midpoint of AD), so:

AD² = AF² + FD²

AD² = 20² + (x/2)²

AD² = 400 + x²/4

AD = √(400 + x²/4) cm

Since AD is a diagonal of the original cube, we know that AD = x√3 cm. Therefore:

x√3 = √(400 + x²/4)

x² × 3 = 400 + x²/4

3x² = 1600 + x²

2x² = 1600

x² = 800

x = √800 = 20√2 cm

Therefore, the value of x is 20√2 cm.

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Answer:

solution,

or,20-5=y        [ therefore ,     y=15                                                                                                      

The divergence of the vector field F(x, y, z) = (5x^2 + 7 - sin(xz))i + 0j + (5x^2 + 7 - sin(xz))k is 20x - 2zcos(xz).

To find the divergence of the vector field F(x, y, z) = (5x^2 + 7 - sin(xz))i + 0j + (5x^2 + 7 - sin(xz))k, you need to take the divergence operator (∇ · F).

The divergence of a vector field in Cartesian coordinates is given by the following formula:

∇ · F = (∂Fx/∂x) + (∂Fy/∂y) + (∂Fz/∂z),

where Fx, Fy, and Fz are the x, y, and z components of the vector field F, respectively.

In this case, we have:

Fx = (5x^2 + 7 - sin(xz)),

Fy = 0, and

Fz = (5x^2 + 7 - sin(xz)).

Taking the partial derivatives, we get:

∂Fx/∂x = 10x - zcos(xz),

∂Fy/∂y = 0, and

∂Fz/∂z = 10x - zcos(xz).

Now, substituting these derivatives into the divergence formula, we have:

∇ · F = (10x - zcos(xz)) + 0 + (10x - zcos(xz)).

Simplifying further, we get:

∇ · F = 20x - 2zcos(xz).

Therefore, the divergence of the vector field F(x, y, z) = (5x^2 + 7 - sin(xz))i + 0j + (5x^2 + 7 - sin(xz))k is 20x - 2zcos(xz).

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9514 1404 393

Answer:

  (b) signs of the infinities are opposite

Step-by-step explanation:

The graph shows a trend toward +∞ as x gets more negative, and toward -∞ as x gets more positive. That is, the sign of the end behavior of y is opposite that of x. This is expressed by the second choice.

The inequality to find possible distances from Alexandria's home to a park that satisfies the conditions is: 2+D/50≤6 and the distance is 200 miles.

Minimum distance=(50×2)

Minimum distance=100 miles

Time (T) required to cover the distance (D)

Time=D/50 hours

Inequality is 2+D/50≤6

Hence:

Let solve for Distance (D)

D/55≤6-2

D≤4×50

≤200

Therefore the inequality to find possible distances from Alexandria's home to a park that satisfies the conditions is: 2+D/50≤6 and the distance is 200 miles.

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Answer:

7mph and he stayed the same

Step-by-step explanation:

Larry's average speed from hour 2 to hour 4 and from hour 4 to hour 7 is the same, 7 mi/hr, he maintained a constant speed throughout this period.

Given that Larry recorded his time as he ran

Time elapsed(hr)         Distance run(mi)

     2                                       13.5

     4                                       27.5

     7                                       48.5

We need to calculate his average speed,

To calculate Larry's average speed, we need to divide the total distance he ran by the time elapsed.

Let's calculate his average speed from hour 2 to hour 4 and from hour 4 to hour 7:

Average speed from hour 2 to hour 4:

Distance covered = 27.5 mi - 13.5 mi = 14 mi

Time elapsed = 4 hr - 2 hr = 2 hr

Average speed = Distance covered / Time elapsed = 14 mi / 2 hr = 7 mi/hr

Therefore, Larry's average speed from hour 2 to hour 4 was 7 miles per hour.

Average speed from hour 4 to hour 7:

Distance covered = 48.5 mi - 27.5 mi = 21 mi

Time elapsed = 7 hr - 4 hr = 3 hr

Average speed = Distance covered / Time elapsed = 21 mi / 3 hr = 7 mi/hr

Therefore, Larry's average speed from hour 4 to hour 7 was also 7 miles per hour.

Since Larry's average speed from hour 2 to hour 4 and from hour 4 to hour 7 is the same (7 mi/hr), he maintained a constant speed throughout this period. He neither sped up nor slowed down.

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Complete question =

Larry recorded his time as he ran. What was his average speed from hour 2 to hour 4?

What was his average speed from hour 4 to hour 7?

Did he speed up or slow down?

time elapsed(hr)         distance run(mi)

2                                       13.5

4                                       27.5

7                                       48.5

The equivalent function for a picture x cm by x cm is: A. F3(x) = F2(F1(x)) = 1.2x + 2.

In Geometry, dilation can be defined as a type of transformation which changes the size of a geometric object, but not its shape. This ultimately implies that, the size of the geometric object would be increased (enlarged) or decreased based on the scale factor used.

20% enlargement = 120/100 = 1.2

For function F1, we have:

Function, F1(x) = 1.2x

For function F2, which increases the picture size by 2 cm in both dimensions is given by:

Function, F2(x) = F1(x) + 2

Next, the transformation from function F3 is given by:

Function, F3(x) = F2(F1(x)) = 1.2x + 2

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Answer:

yes

Step-by-step explanation:

Answer:

In your opinion, is Netflix a waste of time?

I hope this helps you

Let x = width

Length = 3x

Area = 35

3x * x = 35

3x^2 = 35

x^2 = 35/3

x = √(35/3)

Width = √(35/3)

Length = 3√(35/3)

Answer:

20

Step-by-step explanation:

RN is 1/4 of HS, and 5x4=20.

A random variable is a variable that takes on values that are uncertain or probabilistic in nature.

Therefore, the correct option is a) A variable that takes on values that are uncertain.

Random variables can be discrete, meaning they can only take on specific values, or continuous, meaning they can take on any value within a certain range.

These variables are commonly used in statistical analyses and probability theory to model various phenomena, such as the outcome of a dice roll or the height of individuals in a population.

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Answer: 0.6 espero haberte ayuado

Step-by-step explanation:

Answer:

CA ≈ 3.1 ft

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan40° = \(\frac{opposite}{adjacent}\) = \(\frac{BC}{CA}\) = \(\frac{2.6}{CA}\) ( multiply both sides by CA )

CA × tan40° = 2.6 ( divide both sides by tan40° )

CA = \(\frac{2.6}{tan40}\) ≈ 3.1 ft ( to the nearest tenth )

Answer:

factors of 36 are 1,2,3,4,6,9,12,18,and 36

First, we make the denominators of 1/4 and 3/8 the same as the LCM (= 8)

-> 1/4 = 1 x 2 / 4 x 2 = 2/8
-> 1 - ... = 2/8 + 3/8 = 5/8

The missing fraction = 1 - 5/8 = 3/8.

The calculated surface area of the figure is 3100.8 square feet

from the question, we have the following parameters that can be used in our computation:

SA = hp + 2B

From the figure, we have

B = 1/2 * (10 + 34) * 24.7 = 543.4

p = 2 * (34 + 19) = 106

h = 19

So, we have

SA = 19 * 106 + 2 *  543.4

Evaluate

SA = 3100.8

Hence, the surface area is 3100.8 square feet

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It can be inferred that there is a statistically significant result if the confidence interval excludes the value of zero effect.

Confidence Interval;

In statistics, confidence is another word for probability. For instance, if you create a confidence interval with a 95% confidence level, you can be sure that 95 times out of 100 the estimate will fall between the upper and lower values indicated by the confidence interval.

Therefore,

The confidence level is 95% if your significance level is 0.05. The hypothesis test is statistically significant if the P value is lower than your significance (alpha) level. The findings are statistically significant if the confidence interval excludes the null hypothesis value. 0

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A Risk Averse is :

(a) The highest Coefficient of Variation

Option A is correct.

It is commonly recognized that individuals vary in their capacity for accepting and managing risks, and that different administrative roles expose their occupants to various levels of danger and uncertainty. A project leader particularly particularly manages significant project and career risks. The degree of dispersal from around mean increases with the coefficient of variation. Typically, a percentage is employed to indicate it. Without units, it enables comparison of highly successful whose scale items are incomparable.

Therefore option B. C and D is incorrect.

So, option A is correct.

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Para calcular el MCM (mínimo común múltiplo) y el DCM (máximo común divisor) de 18 y 24, podemos utilizar diferentes métodos.

Método 1: Factorización en primos

Factorizamos los dos números en primos: 18 = 2 * 3 * 3 y 24 = 2 * 2 * 2 * 3

El MCM se obtiene multiplicando los factores comunes y no comunes elevados a su mayor exponente: MCM(18, 24) = 2 * 2 * 2 * 3 * 3 = 72

El DCM se obtiene multiplicando los factores comunes elevados a su menor exponente: DCM(18, 24) = 2 * 3 = 6

Método 2: División sucesiva

Realizamos la división sucesiva de 18 y 24 hasta obtener el cociente 1 y el resto 0.

Para ello, dividimos el número mayor entre el menor y anotamos el cociente y el resto. Luego, dividimos el divisor anterior entre el resto y así sucesivamente hasta obtener resto 0.

Los múltiplos comunes de 18 y 24 son los productos de los divisores comunes elevados a los cocientes correspondientes. El mínimo común múltiplo es el último múltiplo común obtenido. El máximo común divisor es el último divisor no nulo obtenido.

En este caso, la división sucesiva sería:

24 ÷ 18 = 1 con resto 6

18 ÷ 6 = 3 con resto 0

Los divisores comunes son 2 y 3. El último múltiplo común es 24 * 3 = 72. El último divisor no nulo es 3. Por lo tanto, MCM(18, 24) = 72 y DCM(18, 24) = 3.

Ambos métodos nos dan el mismo resultado.

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Answer:

If she rents for 168 hours? Answer: $8,650

What is the meaning of the slope? Answer: Scooter place charges $50 per hour

What is the meaning of the y-intercept? Answer: Scooter charges an initial fee of $250

If Laura spends $850, how many hours did she rent the scooter? Answer: 12 hours

Step-by-step explanation: