Pleaaassseee help me help my son!!! How do I get the sequence for the next 3 numbers 2,4,8,14,...?

When speed and time are known, distance can be calculated using the formula 'distance = speed x time'. Given Bert's speed of 50 mph and travel time of 0.5 hours each way, the distance from his home to the office is calculated to be 25 miles.

The subject of this problem is fundamentally about understanding the relationship between speed, time, and distance. In this particular case, Bert is spending a total of an hour commuting to and from office. However, this total time includes both the journey to work and the journey back home so each journey takes half an hour or 0.5 hours. Given that his average speed is 50 mph, we can calculate the distance he travels one way using the formula "Distance = Speed x Time."

So, for Bert:
Distance = 50 mph x 0.5 hours = 25 miles

Therefore, "Bert lives 25 miles from his office."

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Answer:

The options are: A, C and D

Step-by-step explanation:

The sine wave has a general form : y = A sin (BX)

Where A is the amplitude and B = 2π/period

So, we will check which of the options will be a harmonic on a string that is 10 cm long.

A.) y=2sin(pi/5 x)

B = π/5 ⇒ period = 2π/B = 2π ÷ π/5 =  2π * 5/π = 10

So, one cycle of y=2sin(pi/5 x) will be a harmonic on a string that is 10 cm long.

B.) y=2sin(2pi/7 x)

B = 2π/7 ⇒ period = 2π/B = 2π ÷ 2π/7 =  7  

C.) y=2sin(pi/10 x)

B = π/10 ⇒ period = 2π/B = 2π ÷ π/10 = 20 = 2 * 10

So, half a cycle of y=2sin(pi/10 x) will be a harmonic on a string that is 10 cm long.

D.) y=2sin(10pi x)

B = 10π ⇒ period = 2π/B = 2π ÷ 10π = 1/5 = 10/50

So, 50 cycles of y=2sin(10pi x) will be a harmonic on a string that is 10 cm long.

E.) y=2sin (5/2pi x)

B = 5/2π ⇒ period = 2π/B = 2π ÷ (5/2π) = 4π²/5

So, options A, C and D can be a harmonic on a string that is 10 cm long.

Answer:

A. y=2sin(pi/5x)

C. y=2sin(pi/10x)

D. y=2sin(10pix)

Step-by-step explanation:

The polar form of z = -7 - 8i is:

z = 3√13 (cos 230.2° + i sin 230.2°)

Converting -7 - 8i to polar form:

The rectangular form of a complex number is given by z = a + bi, where a is the real part and b is the imaginary part. In this case, a = -7 and b = -8.

The polar form of a complex number is given by z = r(cos θ + i sin θ), where:

r is the modulus (or absolute value), which represents the distance of the complex number from the origin in the complex plane.

θ is the argument (or angle), which represents the direction of the complex number relative to the positive real axis.

1. Finding modulus (r):

r = √(a² + b²) = √((-7)² + (-8)²) = √(113) = √(13 * 9) = √13 * 3 (using factorization and perfect squares)

Therefore, r = 3√13.

2. Finding argument (θ):

θ = arctan(b/a) = arctan((-8)/(-7)) ≈ 50.2° (using the arctangent function on a calculator). However, this only gives one possible angle for the complex number.

Note: The arctangent function typically outputs values between -90° and 90°, which corresponds to Quadrant 1 or 4 in the complex plane. Since -7 - 8i lies in Quadrant 3, we need to add 180° to get the correct angle:

θ = 50.2° + 180° = 230.2°

Therefore, the polar form of z = -7 - 8i is:

z = 3√13 (cos 230.2° + i sin 230.2°)

Answer:

  25.2 in

Step-by-step explanation:

The short piece will have a length that is 2/(2+3) = 2/5 of the entire usable length. The usable length is 60-2 = 58 inches long, so the cut will be ...

  (2/5)(58 in) = 23 1/5 in

from the beginning of the usable part. Since the usable part of the ribbon starts 2 inches in, the cut will be 23 1/5 + 2 = 25 1/5 inches from the frayed end of the ribbon.

Answer:

25.2

Step-by-step explanation:

Correct on Edge 2020

Answer: 8 tacos

Step-by-step explanation: 2 hotdogs are $10 as they are $5 each. Tacos are $2.50 each. $2.50 x 8 equals $20. $20 + 10 = $30. Eva can buy 8 tacos.

After buying 2 hotdogs with $10, Eva will have $20 left. With the remaining $20, she can buy a maximum of 8 tacos at $2.50 each.

Since Eva is determined to buy 2 hotdogs at $5 each, she will spend $10 on hotdogs. She has a total of $30 to spend, meaning she will have $20 left after purchasing the hotdogs. Tacos cost $2.50 each. Therefore, with the remaining $20, Eva can afford to buy a maximum of 8 tacos (since $20 divided by $2.50 equals 8). This will also meet the condition of purchasing at least 7 hotdogs and tacos in total.

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The distance that the train travels is 18.84 feet

Solution:

Given that,

A play train travels around a Christmas  tree in a circle

The train track measures 6  feet in diameter

To find: distance that the train travels

The distance the train travels is equal to the circumference of circle

The circumference of circle is given as:

[tex]C = \pi d[/tex]

Where, "d" is the diameter of circle

From given,

d = 6 feet

[tex]C = 3.14 \times 6\\\\C = 18.84[/tex]

Thus the train travels 18.84 feet

Answer:

21 inches

Step-by-step explanation:

refer to attached graphics

we can find the height by the Pythagorean theorem.

diagonal² = width² + height²

height² = diagonal²  - width²

we are given that diagonal = 29" and width = 20", hence

height² = 29²  - 20²

height² = 841  - 400

height² = 441

height = √441 = 21 inches

Answer:

44 ft

Step-by-step explanation:

Given: Julie is 6 feet tall

           She stands 15 feet from the flagpole.

           The edges of the square line up with the top and bottom of the flagpole.

Lets assume the height of flagpole be "h".

As given, the edges of the square line up with the top and bottom of the flagpole.

∴ Angle and base of triangle are same then ratio of corresponding sides are also equal.

Now, finding the height of flagpole by using tangent rule.

we know, [tex]tan\theta= \frac{Opposite}{adjacent}[/tex]

Remember, both the angle are equal.

∴ Ratio of opposite and adjacent leg for both right angle triangle= [tex]\frac{6}{15} : \frac{h-6}{15}[/tex]

We can put it; [tex]\frac{6}{15} = \frac{15}{h-6}[/tex]

Solving the equation now

⇒ [tex]\frac{6}{15} = \frac{15}{h-6}[/tex]

Multiplying both side by 15

⇒[tex]6 = \frac{15\times 15}{h-6}[/tex]

Multiplying both side by (h-6)

⇒ [tex]6\times (h-6) = 15\times 15[/tex]

Distributive property of multiplication

⇒ [tex]6h-36= 225[/tex]

Adding both side by 36

⇒[tex]6h= 225+36[/tex]

Dividing both side by 6

⇒[tex]h= \frac{261}{6}[/tex]

∴ [tex]h= 43.5\ feet[/tex] [tex]\approx 44 feet[/tex]

Hence, the height of flagpole is 44 feet.

Final answer:

To approximate the height of a flagpole given that Julie, who is 6 feet tall, lines up a cardboard square with the top and bottom of the flagpole while standing 15 feet away, we can use the principles of similar triangles. This results in a calculation showing that the flagpole is approximately 6 feet tall, the same as Julie's height.

Explanation:

The height of the flagpole can be approximated using similar triangles. Julie is 6 feet tall and stands 15 feet from the flagpole. Using the cardboard square, we understand that the triangle formed by Julie and her shadow is similar to the triangle formed by the flagpole and its shadow. Therefore, we can set up a proportion:

Julie's height / Julie's distance from flagpole = Flagpole's height / Flagpole's distance from cardboard.

If we assume that the cardboard square is held adjacent to Julie, the flagpole's distance from the cardboard is also 15 feet. The proportion simplifies to:

6 feet / 15 feet = Flagpole's height / 15 feet

Cross-multiplying to solve for the flagpole's height gives us:

Flagpole's height = 6 feet × (15 feet / 15 feet) = 6 feet

Therefore, the flagpole is approximately 6 feet tall.

Answer:

10%

Step-by-step explanation:

Let the third number is X.

then first number = (100-30)% of X

= 70% of X = 7X/10

Second number is (63X/100)

Difference = 7X/10 - 63X/100 = 7X/10

So required percentage is, difference is what percent of first number

=> (7X/100 * 10/7X * 100 )% = 10%

The volume of scaled object is 0.039375 cubic inches

Solution:

Given that,

Volume of box = 39.375 cubic inches

Scaled down by a factor  = [tex]\frac{1}{10}[/tex]

The volume of a scaled object will be equal to the volume of object times scale factor cubed

Therefore,

Volume of scaled object = Volume of box x scale factor cubed

[tex]Volume\ of\ scaled\ object = 39.375 \times (\frac{1}{10})^3\\\\Volume\ of\ scaled\ object = 39.375 \times \frac{1}{1000}\\\\Volume\ of\ scaled\ object = 0.039375[/tex]

Thus volume of scaled object is 0.039375 cubic inches

Answer:r=2

Step-by-step explanation:

Answer:

A) 2

Step-by-step explanation:

I got it right on edge 2020.

Hope it helps :)

I purple you have a good year, stay safe.

Answer:

0.12

Step-by-step explanation:

12/100

There can be many based on what the total amount of the number is.

But in this case I'll say 0.12

Answer:

636

Step-by-step explanation:

the area of the footpath=

(50m+3m+3m)^2-50^2

Answer: = [tex]\frac{25+\sqrt{949} }{6}[/tex] and y = \frac{25+\sqrt{949} }{6} - 3.

Step-by-step explanation:

Take x as the larger number and y as the smaller number.

x + 3 = y

[tex]\frac{16}{y}[/tex]+ [tex]\frac{9}{x}[/tex] = 1

Substitute x + 3 for y in the second equation.

[tex]\frac{16}{x+3}[/tex]+ [tex]\frac{9}{x}[/tex] = 1

Make a common denominator.

[tex]\frac{16(x) + 9(x+3)}{(x+3)(x)} =1[/tex]

Simplify and get rid of that fraction.

[tex]16x + 9x + 27 = x^{2} + 3x[/tex]

[tex]x^{2} + 3x - 25x - 27 = 0[/tex]

[tex]x^{2} -22x - 27 = 0[/tex]

By quadratic formula (and because they must be positive), x = [tex]\frac{25+\sqrt{949} }{6}[/tex] and then y = \frac{25+\sqrt{949} }{6} - 3.

To solve for the two positive numbers, we can set up an equation and solve for x.

Let's call the smaller number x and the larger number x + 3.

From the given information, we can write the following equation:

16(1/x) + 9(1/(x + 3)) = 1

To solve this equation, we can find a common denominator and then simplify:

16(x + 3)/(x(x + 3)) + 9x/(x(x + 3)) = 1

After simplifying and solving for x, we find that the smaller number is 4 and the larger number is 7.

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1507 are the different ways can 5 baseball players and 4 basketball players be selected from 12 baseball players and 13 basketball players

Solution:

Given that,

5 baseball players and 4 basketball players be selected from 12 baseball players and 13 basketball players

This is a combination problem

Combinations are a way to calculate the total outcomes of an event where order of the outcomes does not matter

The formula is given as:

[tex]n C_{r}=\frac{n !}{r !(n-r) !}[/tex]

Where n represents the total number of items, and r represents the number of items being chosen at a time

Let us first calculate 5 baseball players from 12 baseball players

Here, n = 12 and r = 5

[tex]\begin{array}{l}{12 C_{5}=\frac{12 !}{5 !(12-5) !}} \\\\{12 C_{5}=\frac{12 !}{5 ! \times 7 !}}\end{array}[/tex]

For a number n, the factorial of n can be written as:

[tex]n !=n \times(n-1) \times(n-2) \times \ldots . \times 2 \times 1[/tex]

Therefore,

[tex]\begin{aligned}12 C_{5} &=\frac{12 \times 11 \times 10 \times \ldots \ldots \times 2 \times 1}{5 \times 4 \times 3 \times 2 \times 1 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1} \\\\12 C_{5} &=\frac{12 \times 11 \times 10 \times 9 \times 8}{5 \times 4 \times 3 \times 2} \\\\12 C_{5} &=792\end{aligned}[/tex]

Similarly, 4 basketball players be selected 13 basketball players

n = 13 and r = 4

Similarly we get,

[tex]\begin{aligned}&13 C_{4}=\frac{13 !}{4 !(13-4) !}\\\\&13 C_{4}=\frac{13 !}{4 ! \times 9 !}\end{aligned}[/tex]

[tex]13C_4 = 715[/tex]

Thus total number of ways are:

[tex]12C_5 + 13C_4 = 792 + 715 = 1507[/tex]

Thus there are 1507 different ways

To determine the number of ways to select 5 baseball players from 12, and 4 basketball players from 13, we use the combination formula for both and multiply the results, applying the Counting Principle.

The question asks how many different ways can 5 baseball players and 4 basketball players be selected from 12 baseball players and 13 basketball players. This is a problem of combinatorics, specifically the use of combinations, since the order of selection does not matter.

To find the number of ways to select the baseball players, we use the combination formula C(n, k) = n! / (k! * (n-k)!), where 'n' is the total number to choose from, 'k' is the number to choose, and '!' denotes factorial. For the 5 baseball players from 12, it is C(12, 5).

For the basketball players, it's C(13, 4), as we are choosing 4 out of 13. To find the total number of ways to form the group, we multiply these two values together, because each combination of baseball players can be paired with each combination of basketball players, which is an example of the Counting Principle.

So, the calculation is C(12, 5) * C(13, 4).

Step-by-step explanation:

In the question figure,

∠ 1 = 115 °, ∠ 2 = 115 °, ∠ 3 = 120 °, ∠ 4 = 14x °, ∠ 5 = 133 °, ∠ 6 = 167 °, ∠ 7 = 138° and ∠ 8 = 18x °

To find, the value of x = ?

We know that,

The sum of all angles of heptagon = 1080°

∴ ∠ 1 + ∠ 2 + ∠ 3 + ∠ 4 + ∠ 5 + ∠ 6 + ∠ 7 + ∠ 8 = 1080°    

⇒ 115 ° + 115 ° + 120 ° + 14x ° + 133 ° + 167 ° + 138° + 18x ° = 1080°  

⇒ 32x ° + 788° = 1080°  

⇒ 32x ° = 1080°  - 788° = 292°

⇒ x ° = 9.125°

∴ x ° = 9.125°

Answer:

Jason is 14 year old.

Step-by-step explanation:

Given: Joe, John and Jason are each a year apart in age.

           Sum of their age is 39.

Lets assume the age of Joe be x

∴ Age of Jahn will be [tex](x+1)[/tex]

And age of Jason will be [tex](x+2)[/tex]

Now, putting up an equation for the sum of their age.

∴ [tex]x+(x+1)+(x+2)= 39[/tex]

Opening the parenthesis.

⇒[tex]x+x+1+x+2= 39[/tex]

⇒[tex]3x+3= 39[/tex]

Subtracting both side by 3

⇒ [tex]3x= 36[/tex]

Dividing both side by 3

⇒[tex]x= \frac{36}{3}[/tex]

∴ [tex]x= 12\ years[/tex]

Hence, Joe is 12 year old.

Next subtituting the value of x to find age of Jason and John.

Jason= [tex](x+2)= 12+2[/tex]

∴Jason= 14 years.

John age= [tex](x+1)= 12+1[/tex]

∴ John Age= 13 years.

Hence, Jason is 14 year of age.

Step-by-step explanation:

Perhaps you want to simplify the given expression: Let's do it.

[tex](3x + 4) - (x + 2) \\ \\ = 3x + 4 - x - 2 \\ \\ = 3x - x + 4 - 2 \\ \\ = 2x + 2 \\ this \: is \: the \: simplest \: form \: of \: the \: \\ given \: expression.[/tex]

Answer:

2(x + 1)

Step-by-step explanation:

(3x + 4) - (x + 2)

3x + 4 - x - 2

3x - x + 4 - 2

2x + 2

2(x + 1)

Answer:

18

you do 2/3=12/n.  and find out n (im to lazy to explain sorry)

The probability of randomly selecting a yellow marble out of the bag is [tex]\frac{1}{5}[/tex]

Step-by-step explanation:

A bag contains:

We need to find the probability of randomly selecting a yellow marble out of the bag

Probability is the ratio of number of favorable outcomes to the total number of possible outcomes P(A) = [tex]\frac{n(A)}{n(outcoms)}[/tex]

∵ A bag contains 7 red marbles, 5 yellow marbles, 6 blue

   marbles, 4 green marbles, and 3 orange marbles

- Add all the color to find the number of total marbles

∴ n(all) = 7 + 5 + 6 + 4 + 3 = 25

∵ There are 5 yellow marbles

∵ P(yellow) = [tex]\frac{n(yellow)}{n(all)}[/tex]

∴ P(yellow) = [tex]\frac{5}{25}[/tex]

- Divide up and down by 5 to simplify the fraction

∴ P(yellow) = [tex]\frac{1}{5}[/tex]

The probability of randomly selecting a yellow marble out of the bag is [tex]\frac{1}{5}[/tex]

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Answer:

1/5

Step-by-step explanation:

Answer:

The missing figure is attached down

The length of BE is 27 units ⇒ 3rd answer

Step-by-step explanation:

In circle A:

We need to find the length of BE

∵ AB and AD are radii in circle A

∴ AB ≅ AD

In Δs EAB and EAD

∵ ∠BAE ≅ ∠DAE ⇒ given

∵ AB = AD ⇒ proved

∵ EA = EA ⇒ common side in the two triangles

- Two triangles have two corresponding sides equal and the

   including angles between them are equal, then the two

   triangles are congruent by SAS postulate of congruence

∴ Δ EAB ≅ Δ EAD ⇒ SAS postulate of congruence

By using the result of congruence

∴ EB ≅ ED

∵ EB = 3 x - 24

∵ ED = x + 10

- Equate the two expressions to find x

∴ 3 x - 24 = x + 10

- Add 24 to both sides

∴ 3 x = x + 34

- Subtract x from both sides

∴ 2 x = 34

- Divide both sides by 2

∴ x = 17

Substitute the value of x in the expression of the length of BE to find its length

∵ BE = 3 x - 24

∵ x = 17

∴ BE = 3(17) - 24

∴ BE = 51 - 24

∴ BE = 27

The length of BE is 27 units

Answer:

27

Step-by-step explanation:

I TOOK THE QUIZ, AND GOT 100%

Answer:

16.

Step-by-step explanation:

The denominator could be 16.

The GCF of 12 and 16 is 4.

Final answer:

The denominator of the fraction with a numerator of 12 and a GCF of 4 with the denominator is 12. You divide the numerator by the GCF and then multiply the result by the GCF to get the denominator.

Explanation:

The student is asking for the denominator of a fraction when the numerator is 12 and the greatest common factor (GCF) of the numerator and the denominator is 4. To find the denominator, you would divide the numerator (12) by the GCF (4). This gives us 12 ÷ 4, which equals 3. Therefore, the denominator of the fraction must be a number that when divided by the GCF (4) will give us a quotient of 3. Since the denominator is 4 times larger than this quotient, we multiply 3 by 4 to find the denominator. Therefore, the denominator is 3 × 4, which equals 12.

Answer:

0.0141987829615

Step-by-step explanation:

(1) 10(e + 0.5)g

Using distributive property, a × (b + c) = a × b + a × c

10(e + 0.5)g = 10 eg + 10 × 0.5g

Therefore, 10(e + 0.5g) and 10e + 5g are not equivalent.

(2) 6(p + q)

Using distributive property,

6(p + q) = 6p + 6q

Therefore, 6(p + q) and 6p + q are not equivalent.

(3) 7y – 15 + 2y

Using commutative property, a + b = b + a

7y – 15 + 2y = 7y + 2y – 15

                    = 9y – 15

Therefore 7y – 15 + 2y and 9y – 15 are equivalent.

(4) 1 + (8r + 9)

Using associative property, a + (b + c) = (a + b) + c

1 + (8r + 9) = (1 + 9) + 8r

                 = 10 + 8r

                 = (2 + 8) + 8r

Therefore 1 + (8r + 9) and (2 + 8) + 8r are equivalent.

(5) 0 × 11 + 5n

Using multiplicative identity property: a × 0 = 0

0 × 11 + 5n = 0 + 5n

                 = 5n

Therefore, 0 × 11 + 5n and 5n are equivalent.

(6) 16s – 4 + s

Using associative property, a + (b + c) = (a + b) + c

16s – 4 + s = 16s + s – 4

                  = 17s – 4

Therefore,  16s – 4 + s and 12s not equivalent.

(7) 11d × 2 = 22d

Therefore, 11d × 2 and 22d are equivalent.

(8) 8m + (9m – 1)

Using associative property, a + (b + c) = (a + b) + c

8m + (9m – 1) = (8m + 9m) – 1

                      = 17m – 1

Therefore, 8m + (9m – 1) and 8m – 8 not equivalent.

Answer:

the anwser is a

Step-by-step explanation:

The expression represents the total number of tomato plants is [tex]\rm p + (3p - 5) + (4p + 6)[/tex].

Given that

Lauryn grew p tomato plants.

The Padma grew 5 fewer than 3 times the number Lauryn grew.

Kent grew 6 more than 4 times the number Lauryn grew.

We have to determine

Choose an expression and a simplified expression to represent the total number of tomato plants that Lauryn, Padma, and Kent grew.

According to the question

Let the number of tomato plants be p.

Lauryn grew p tomato plants.

[tex]\rm = p[/tex]

The Padma grew 5 fewer than 3 times the number Lauryn grew.

[tex]\rm= 3p-5[/tex]

Kent grew 6 more than 4 times the number Lauryn grew.

[tex]\rm = 4p+6[/tex]

Therefore,

An expression to represent the total number of tomato plants =  Lauryn + Padma + and Kent grew.

[tex]\rm p + (5 - 3p) + (6 + 4p)[/tex]

Hence, the expression represents the total number of tomato plants is [tex]\rm p + (3p - 5) + (4p + 6)[/tex].

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Answer:

50

Step-by-step explanation:

Expression 5*10 is also known as 5 x 10 which is indeed 50.

Or if 5 is to the power of 10 (5^10) the answer would be 9765625

Hope this helped!