Camila empieza a jugar un video juego que tiene 840 niveles. La primera semana, supera 16
parte de los niveles; la segunda semana, 14
de lo que le hace falta y la tercera, 45
de los niveles que le hacían falta por superar.

Si en la cuarta semana Camila pretende terminar el juego, ¿cuántos niveles debe superar?

A.
95

B.
105

C.
182

D.
420

Answer:

Step-by-step explanation:

you have to look at what you r measuring and measure all the others way on how to masseur it

Answer:

Since the truck adds 22,000 PER YEAR, this would be the number we multiply by the variable depending on how many years they are calculating for. So we have y = 22,000x

The truck already has 40,000 miles on it so it s STARTING at 40,000, this is our y-intercept, or b.

Now we have y = 22,000x + 40,000

Thus, the radius of the circle for the given measure of central angle and arc length is found as the 8.58 cm.

The central angle is the angle formed by the intersection of two radii at the centre of a circle. Remember that a vertex is where two lines join to form an angle. The centre of a circle is always the vertex of either a central angle.

According to the Central Angle Theorem, the central angle occupied by two points on a circle will always equal twice the inscribed angle occupied by those same two points.

Given :

central angle Ф = 260

arc length LM = 38.95 cm

Thus, using the central angle theorem:

arc length = Ф/360° (2πr)

π = 3.14  and r is the radius

arc length LM = 260/360° (2πr)

38.95 = 13/18 *(2*3.14*r)

r = (38.95*18) / (13*2*3.14)

r = 8.58 cm

Thus, the radius of the circle for the given measure of central angle and arc length is found as the 8.58 cm.

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The length of each side of the cube-shaped building block is: 3/5 feet long.

The volume of a cube = (length of the side of the cube)^3. All sides of a cube have the same length. To find the volume of a cube, find the cube of the side length.

Given the the volume of the building block = 27/125 ft^3, to find how long each of the building blocks is, find the cube root of its volume, 27/125 ft^3.

Therefore, we would have:

How long each building block is = side length of cube = ∛(27/125)

Side length of cube = 3/5

Therefore, the length of each side of the cube-shaped building block is: 3/5 feet long.

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Answer:

the solid color fleece is a better price

Step-by-step explanation:

Data:

Solid color fleece: S

Paterned fleece : P

Cost:

S=$1649 per 6 yards

P= $15.40 per 16 feet

To find which fleece is better price  you need to find the price of each one per the same unit.

1. Turn the yards in feet (1 yd is  equal to 3 feet )

\(6yd.\frac{3ft}{1yd} =18ft\)

2. Find the price per 1 feet of each fleece:

Solid color fleece: $ 0.916 per 1 feet

 \(S=\frac{16.49}{18ft} =\frac{0.916}{ft}\)

Patterned fleece: $0.9625 per 1 feet

\(P=\frac{15.40}{16ft} =\frac{0.9625}{ft} \\\)

Then, the solid color fleece is a better price

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Solid is the better price

If λ is an eigenvalue of matrix A and x is the corresponding eigenvector, then for any positive integer m, λ^m is an eigenvalue of A^m, and x is the corresponding eigenvector of A^m.

Let λ be an eigenvalue of matrix A with eigenvector x. This means that Ax = λx. Now, consider the matrix A^m, where m is a positive integer. By multiplying both sides of the eigenvector equation by A^(m-1), we have A^(m-1)Ax = A^(m-1)(λx), which simplifies to A^mx = λA^(m-1)x.

Since A^mx = (A^m)x and A^(m-1)x = λ^(m-1)x, we can rewrite the equation as (A^m)x = λ^(m-1)(Ax). Using the initial eigenvector equation Ax = λx, we have (A^m)x = λ^(m-1)(λx), which further simplifies to (A^m)x = λ^m x.

Therefore, we have shown that if λ is an eigenvalue of A with eigenvector x, then for any positive integer m, λ^m is an eigenvalue of A^m with the same eigenvector x. This result demonstrates the relationship between eigenvalues and matrix powers, illustrating that raising the matrix to a power corresponds to raising the eigenvalue to the same power while keeping the eigenvector unchanged.

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The area of the triangle is 4.5 square unit.

We have, y= 4x/ (1 + x³)

Now, differentiating the above equation wrt to x we get

y' = 4(1 + x³)- 4x . 3x² / (1+ x³)²

y'= -8x³ + 4/ (1+x³)²

When x = 1 then y' = -4/4 = -1

so, y -2 = -1 (x-1)

y= -x+ 3

Here the x intercept is (3, 0) and y intercept is (0, 3).

so, Area of Triangle is

= 1/2 x 3 x 3

= 9/2

= 4.5 square unit

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Answer:

b = y - mx

Step-by-step explanation:

So we are trying to solve for b in the equation y = mx + b. To do this, we will have to somehow get the b by itself on one side and all of the non-b parts of the equation on the other side.

y = mx + b

Subtract mx from both sides.

y - mx = b

b = y - mx

So we have not solved for b. We have found that b = y - mx.

I hope you find my answer and explanation helpful. Happy studying. :)

Answer:

After correcting error of Mia and solving the expression\(0.38 \times 3 \div(-1/20)\times5\div(-8)\) we get 14.25

Step-by-step explanation:

The given expression is:\(0.38 \times 3 \div(-1/20)\times5\div(-8)\)

First I solve the expression, and then will point the error

\(0.38 \times 3 \div(-1/20)\times5\div(-8)\\Converting \ \div \ sign \ into \ \times the \ term \ is \ inverted\\=0.38 \times 3 \times(-20)\times5\times(-1/8)\\=0.38\times 3 \times-20\times5\times-1/8\\=1.14 \times-20\times5\times-1/8\\=-22.8\times5\times-1/8\\=-114\times-1/8\\=\frac{-114}{-8}\\=14.25\)

So, the mistake Mia did was when she inverted division sign into multiplication, she didn't invert the term next to division sign.

The step she did was: \(0.38 \times 5 \times(1/20)\times3\times(-8)\)

While the correct step was: \(0.38 \times 3 \times(-20)\times5\times(-1/8)\)

After correcting error of Mia and solving the expression\(0.38 \times 3 \div(-1/20)\times5\div(-8)\) we get 14.25

Answer:

AOC=360-130 = 230

ABC= 230/2=115

Answer:

∠ABC = 115∘

Step-by-step explanation:

∠ABC = 1/2 ∠AOC

(Angle subtended by a chord on major area is half of that subtended on center)

∴ ∠ABC = 1/2 x 130 = 65

ABCD is  a cyclic quadrilateral

Sum of opposite angles = 180∘

∴ ∠ABC + ∠AOC = 180∘

 ∠ABC + 65 = 180∘

 ∠ABC = 115∘

a. n-(n - 1) = 1

b. n( n - 1) = n² - n

c. (n - 1) + n = 2n - 1

d. (n - 1) + n = 2n - 1

General Rule for Equation Solving

Given two consecutive numbers , (n - 1) , n

simplifying :

n - (n - 1)

= n -1(n - 1)

= n - n + 1

= 1

multiplying :

n( n -1)

= n² - n

simplifying :

(n-1) + n

= n - 1 + n

= 2n -1

by adding two numbers :

(n - 1) + n

= n -1 + n

= 2n - 1

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Answer:

Total Cost in a day is . Profit function is . And the revenue function is . In a day, bookstore must sell at least 15 books, because of 6n-90=0, in order to make profit.

Step-by-step explanation:

-90

The break-even point for this bookstore is 15, i.e. correct answer is,

C. n = 15.

Here, we have,

given that,

A bookstore costs $90 a day to keep open,

and it spends $12 for each book that it sells.

If each book sells for $18,

now, we know that,

Breakeven quantity = fixed cost / price – variable cost per unit

now, we have,

$90 / (18 - 12)

=$90 / $6

= 15

so, n = 15

Hence, The break-even point for this bookstore is 15, i.e. correct answer is, C. n = 15.

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Answer:

21

Step-by-step explanation:

Answer:

44

Step-by-step explanation:

Split up the one complex shapes into two rectangles. Find the area of each rectangle and add them together.

Answer:

44 square meters

Step-by-step explanation:

split the figure into 2 easy shapes

the first shape 8*4 32

the second shape is 6*2 12

add 32 and 12

44

this is a bad explanation lol

If a photo of an aunt in a size book is increased to 555% as large as the actual size ,the end is 18 mm, the size of the aunt in the photo is 99.9 mm.

To solve this problem, we can use the formula:

enlargement factor = (size of image) / (size of original)

We are given that the enlargement factor is 555%, which is equivalent to 5.55 when expressed as a decimal. Let x be the size of the aunt in the actual photo. Then, we can write:

5.55 = x / 18

To solve for x, we can cross-multiply and simplify:

x = 5.55 * 18

x = 99.9 mm

Therefore, the size of the aunt in the photo is 99.9 mm.

We can check our answer by verifying that the enlargement factor is correct:

enlargement factor = 99.9 / 18 = 5.55

This confirms that our answer is correct.

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Answer:

220

Use PEMDAS

Answer:

y = 105x

Step-by-step explanation:

He loses $105 per month

Answer:

(0,-9)

Step-by-step explanation:

Brainleist please and thank you

The solution is x ≤ 5.

The graph that represents all the solutions to this inequality is given below.

It shows a relationship between two numbers or two expressions.

There are commonly used four inequalities:

Less than = <

Greater than = >

Less than and equal = ≤

Greater than and equal = ≥

We have,

7x + 41 ≤ 6x + 46

Solve for x.

7x + 41 ≤ 6x + 46

7x - 6x ≤ 46 - 41

x ≤ 5

This means,

The solutions are 5 and values less than 5.

The graph is given below.

Thus,

The solution is x ≤ 5.

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Answer: It is the distance that -5 is form 0 on the number line

Step-by-step explanation:

We can define the absolute value of any number:

IxI as:

"The distance between the point x and the origin in the coordinate axis"

If we are in one dimension, x is just a value, and the coordinate axis will be a number line.

Then we could rewrite this as:

"is the distance between the value x and the 0 in the number line"

So:

IxI = x if x > 0

IxI = -x if x < 0.

Then:

I -5 I

Is the distance between the number -5, and the 0 in the number line, and this is:

I - 5 I = 5.

The correct option is:

"It is the distance that -5 is form 0 on the number line"

Answer:

Answer: It is the distance that -5 is form 0 on the number line

Step-by-step explanation:

Answer:

hmmmm give me a minute..

Step-by-step explanation:

Answer:

Step-by-step explanation:

a. The probability of selecting a purple marble on the first draw is 7/9. Since the marble is not replaced, there are 6 purple marbles and 1 white marble left in the bag. The probability of selecting a white marble on the second draw is 2/7. Therefore, the probability of selecting a purple marble and then a white marble is (7/9) * (2/7) = 2/9.

b. The probability of selecting a white marble on the first draw is 2/9. Since the marble is not replaced, there is only 1 white marble left in the bag. The probability of selecting a white marble on the second draw is 1/8. Therefore, the probability of selecting two white marbles is (2/9) * (1/8) = 1/36.

c. To compare the probability of selecting two white marbles in a row and two purple marbles in a row, we need to calculate the probabilities of each event separately. The probability of selecting two white marbles in a row is 1/36, as calculated in part (b).

The probability of selecting two purple marbles in a row is (7/9) * (6/8) = 21/36, since there are 7 purple marbles and 9 total marbles on the first draw, and then 6 purple marbles and 8 total marbles on the second draw (assuming the first marble was not replaced).

Therefore, there is a greater chance of selecting two purple marbles in a row than two white marbles in a row.

Hope this helped!

Answer:

the plot points should be: m - (-1,-5) l - (-1,-8) n - (-3,-9)

Step-by-step explanation:

i'm not the greatest at explaining but i'll give it a shot. When you are doing a reflection of plot point shape, you need to reflect it over/under the x or y axis (hence the name "reflection") If you are reflecting over any of the axis, y or x, you need to first find the plot points of the original image. Then, you move over to that same spot to reflect it. For example, the shape 1,1, 1,2, 2,1 and 2,2. that's a square right? right. i would be a little worried if you didn't know that. anyways, you would then move to those points to reflect on the axis. We'll reflect on the y axis. You would then move it to the -1,1, -1,2, -2,1 and -2,2.

i'm super bad at explaining stuff but i hope this helps !

Answer:

Step-by-step explanation:

- 15 ≤ 5(3x - 2) < 20
- 15 ≤ 15x - 10 < 20

- 15 + 10 ≤ 15x - 10 + 10 < 20 + 10

-5 ≤ 15x < 30

-5 ÷ 15 ≤ 15x ÷ 15 < 30 ÷ 15

\(-\frac{1}{3}\) ≤ x < 2

The equation in standard form is 0.15x + 0.55y = 99

From the question, we have the following parameters:

This means that:

The unit cost of a stamp is

Unit cost (stamp) = 11/20

Evaluate

Unit cost (stamp) = 0.55

The unit cost of an envelope is

Unit cost (envelope) = 7.50/50

Evaluate

Unit cost (envelope) = 0.15

Represent the envelope with x and the stamps with y

So, we have the following equation

0.15x + 0.55y = 99

The above represents the linear equation in standard form

See attachment for the graph, where the intercepts are (0, 180) and (660, 0)

These values make sense, because the intercepts are whole numbers

Also, you cannot use the money to buy the same amount of stamps and envelopes because of the decimal points in (141.429, 141.429)

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Answer:

The average rate of change of a function over an interval is found by taking the difference between the function's values at the endpoints of the interval and dividing by the length of the interval. In this case, we have:

f(1) = -3(1)^3 + 7(1) = -3 + 7 = 4

f(3) = -3(3)^3 + 7(3) = -27 + 21 = -6

The average rate of change over the interval from x=1 to x=3 is therefore (-6 - 4) / (3 - 1) = -10 / 2 = -5.

To label your answer, you could write something like: "The average rate of change of the whale's movement over the interval from x=1 to x=3 seconds is -5 meters/second."

Answer:

1) 2.83 cm

2) 16 cm

Step-by-step explanation:

1)

A isosceles right triangle has two 45° angles and a 90° angles. The legs are congruent.

If one leg measures 2 cm, then both legs measure 2 cm.

Then we use the Pythagorean theorem to find the hypotenuse.

a² + b² = c²

(2 cm)² + (2 cm)² = c²

c² = 8 cm²

c = √8 cm

c = 2.83 cm

Answer: 2.83 cm

2)

a² + (12 cm)² = (20 cm)²

a² + 144 cm² = 400 cm²

a² = 256 cm²

a = 16 cm

Answer: 16 cm

Third quartile Q₃ of the given data is 11

correct option is: b

What is the 75th percentile value?

0.675

For instance, the median represents the 50th percentile, the first quartile represents the 25th percentile, and the third quartile represents the 75th percentile.

What exactly is Q3?

Q3, the third quartile, is known as the 'upper quartile,' and represents the 75th percentile, which means that only 25% of the values in the set are greater than this value.

given data:

7,14,8,10,7,8,9,7,14,6.

In ascending, order data is 6,7,7,7,8,8,9,10,14,14.

number of terms N = 10

therefore, third quartile Q₃ = \(\frac{3}{4} (n + 1)\)

Q₃ = \(\frac{3}{4} (10 + 1)\)

Q₃ = 8.25th term

Q₃ = 8th term + 0.25 = 11

therefore, therefore, third quartile Q₃ of the given data is 10

correct option is: b

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Answer:

\(4(x - 3 + y) \\ 4x - 12 + 4y\)

Step-by-step explanation:

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