A pirate ship found a treasure chest that contained 127 gold coins and 253 silver coins. If there are 38 pirates on the ship and they split the coins evenly, how many coins did they collect?
A. 10
B. 11
C. 380
D. 418

Answer:

3

Step-by-step explanation:

2x+8+2=5x+1

2x+10=5x+1

CLT

10-1=5x-2x

9=3x

9/3=3x/3

x=3

Answer:x=3

Step-by-step explanation:

Given,

2(x+4)+2=5X+1

solving the brackets,

2x+8+2=5x+1

2x+10=5x+1

taking the like terms together and solving them,

10-1=5x-2x

9=3x

x=9/3

x=3

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Answer:

(a) the graph is discrete because the number of basketballs cannot exist in fractions

(b) 126 ÷ 14 = 9, 9 basket balls were bought

graph:-

[b] [a]

0 0

1 14

2 28

3 42

4 56

Answer:

discrate

9

0 14 24 38 52

For the given expressions , the equivalent expressions are as follow:

As given in the question,

Given expressions are given below:

Simplify and find the equivalent expression from the following given expressions:

=9⁴

= 9 × 9 × 9 × 9

= 6561

36 = 6²

    ≠ 6561

=9⁴

= 9 × 9 × 9 × 9

= 6561

= 4⁹

= 4 × 4 × 4 × 4 × 4 × 4 × 4 × 4 × 4

=262144

≠6561

= 9⁴

= 9 × 9 × 9 × 9

= 6561

Therefore, for the given expressions , the equivalent expressions are as follow:

The complete question is :

Which expressions are equivalent? Choose ALL that apply.

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Answer:

C

Step-by-step explanation:

A = 3 11/12

B = 3 2/3

C = 4 1/4

D = 3 3/4

4 1/4 is equivalent to 4 3/12.

Answer:

-16

Step-by-step explanation:

slope formula: y2-y1/x2-x1

y-16/17+19

y-16/36

Numerator is supposed to equal -32 since denominator is 36

y-16=-32

 +16.  +16

y=-16

Hopes this helps,please mark brainliest

Answer:

  (b)  -16

Step-by-step explanation:

You want the y-value that goes with x=17 on the line with slope -8/9 through point (-19, 16).

The point-slope form of the equation for a line is ...

  y -k = m(x -h) . . . . . . line with slope m through point (h, k)

The line with slope -8/9 through point (-19, 16) will have the equation ...

  y -16 = -8/9(x +19)

You want the value of y for x=17. We can find that by substituting x=17 into the above equation:

  y -16 = -8/9(17 +19) = -8/9(36) = -32

Adding 16 gives the value of y:

  y = 16 -32 = -16

The line passes through the points (-19, 16) and (17, -16).

p(t) = 6000·(1/2)^(t/3) is the exponential function which represents the size of the bacteria.

What is bacteria?

Bacteria are common, mostly non-symbiotic organisms that regularly solely have one biological cell. they create up a big portion of the being microorganism kingdom.

Main Body:

An exponential growth or decay can be modeled by =

value = (initial value) · (growth factor)^(t/(time for growth factor))

Here, the growth factor is 3000/6000 = 1/2 in 3 hours. The initial value is 6000. Putting those numbers into the above form, we have ...

p(t) = 6000·(1/2)^(t/3)

If you prefer your exponential functions to be a power of e, then this is ... Hence,p(t) = 6000·e^(-0.23105t)

The constant -0.23105 is ln(1/2)/3.

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The ratio 12/19 means 12 students prefer free time at the beginning of the class and 19 students prefer free time at the end of the class. (option C)

The ratio is defined as the comparison of two quantities of the same units that indicates how much of one quantity is present in the other quantity.

The general form of representing a ratio of between two quantities say 'a' and 'b' is a: b, which is read as 'a is to b'.

For example if the ratio of boys to girls in a school is 5:4, this means in the school 5boys to 4 girls , and 10boys to 8girls. It can also be expressed as 5/4

Therefore if 12/1,9 is the ratio of students that prefer free time at the beginning to students that prefer free time at the end of a class, then , 12 students prefer free time at the beginning and 19 prefer at the end of the class.

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Answer:

c

Step-by-step explanation:

pls

Answer:

The two lines are parallel!

Step-by-step explanation:

:)

Answer:

Equilibrium quantity = 408 items

Equilibrium price = $136

The average distance that Keilantra would have to ride is 6.2 miles. And equation to this question would be 28.8 - 4 = 4m .

What is an equation ?

A mathematical equation is a formula that uses the equals sign to represent the equality of two expressions.

Main body:

total distance she has to travel = 28.8 miles

distance already traveled by her = 4 miles

total days = 4

So equation will be =

4m = 28.8 - 4

solving this we will get average distance traveled by her

4m = 24.4

m = 24.4/4

m = 6.2 miles

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7 hours long was the trip for Imani to drove to the lake and back.

Speed is rate of change of position of any object from place to another . Formula to calculate speed is

Speed = Distance / Time

Speed at which he drove to the lake = 30Km/h

Speed at which he drove back = 40Km/h

Time taken in returning back from the trip = 3 hours

Distance travelled when time taken is 3 hours and speed is 40Km/h = Speed ×Time taken =

40 × 3 = 120 Km

Time taken by Imani to drove to the lake = Distance / Speed

= 120 / 30

= 4 hours

Total hours trip took = 4 + 3 = 7 hours

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Answer:

Step-by-step explanation:

Ok:

Tips: The names and definition of shapes are arleady identified so just match them

1. The figure is a trapezoid since it has one parallel side.

2. The figure is a square since it is a side with four equal lengthed sides.

3. The figure is a rectangle since it has 2 sets of parallel sides with two same length and width

4. Irregular Quardrileteral since it arleady looks irregular and four sides are all different lengths and widths!

5. Parallelogram. Since it has four sides and and two are different lengths.

6. Rhombus. Since all sides are parallel to each other and width and length are the same.

7. Irregular Quardrileteral since it arleady looks irregular and four sides are all different lengths and widths!

8. Rectangle since it has 2 sets of parallel sides with two same length and width

9. Parallelogram. Since it has four sides and and two are different lengths.

The value of x is -1 4/5 i.e, Therefore, the correct option is A

Define Algebraic Expression

The concept of algebraic expressions is the use of letters or alphabets to represent numbers without providing their precise values. We learned how to express an unknown value using letters like x, y, and z in the fundamentals of algebra. Here, we refer to these letters as variables. Variables and constants can both be used in an algebraic expression. A coefficient is any value that is added before a variable and then multiplied by it. In mathematics, an expression that incorporates variables, constants, and algebraic operations is known as an algebraic expression (addition, subtraction, etc.).

Given expression,

-2/9 x=2/5

Isolate the variable, x

x = (2 * 9) / ( 5 * -2)

x = - (9/5) or -1 4/5

Hence, the value of x is -1 4/5 i.e, option(A)

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Answer:

258751

Step-by-step explanation:

multiply and you'll get the answer

The Indefinite integral of the function [tex]\int \tan \left(x\right)\sec ^2\left(x\right)dx[/tex] = [tex]\frac{\tan ^2\left(x\right)}{2}[/tex]

Given;

To get the Indefinite integral of the function [tex]\int \tan \left(x\right)\sec ^2\left(x\right)dx[/tex] ;

Let;

⇒ [tex]\int \tan \left(x\right)\sec ^2\left(x\right)dx[/tex]

Assume tan(x) as 'u', then sec²(x)dx = du;

⇒ [tex]\int \:udu[/tex]

⇒  [tex]\frac{u^2}{2}[/tex]

⇒ [tex]\frac{\tan ^2\left(x\right)}{2}[/tex]

By adding a constant C;

⇒ [tex]\frac{\tan ^2\left(x\right)}{2}[/tex] + C

Hence, the Indefinite integral of the function [tex]\int \tan \left(x\right)\sec ^2\left(x\right)dx[/tex] = [tex]\frac{\tan ^2\left(x\right)}{2}[/tex]

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Martin will have more-money than his friend after babysitting for 10 hours

The given parameters in the question are:

Martin

Initial amount = $30

Additional earnings = $10

His friend

Initial amount = $60

Additional earnings = $7

The equation that shows their total earnings is

y = Initial amount + Additional earnings * x

So, we have

Martins: y = 30 + 10x

His friend: y = 60 + 7x

When Martin has more money, we have

Martins > His friend

This gives

30 + 10x > 60 + 7x

Evaluate the like terms in the above inequality

3x > 30

Divide by 3

x > 10

Hence, Martin will have more money after 10 hours

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Answer: 9

Step-by-step explanation:

Factors that 54 and 36 share are 1, 2, 3, 6, and 9.

3 and 9 are the only odd numbers, but 3 is below 4.

Therefore, it has to be 9

The number which is odd, greater than 4, and 54 and 36 are its multiples is 9.

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

Number = x

x = odd

x = greater than 4

x = 54 and 36 are multiples

Now,

The number is 9.

9 is an odd number.

9 is greater than 4.

54 and 36 are multiples of 9.

i.e 9 x 6 = 54 and 9 x 4 = 36

Thus,

The number is 9.

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If Kala deposits $3000 into an account .The interest  she pay in the first 2 years is $240.

Using this formula to find the interest

I = P × r ×t

Where:

I = Interest = ?

P = Principal = $3,000

R = rate = 4% or 0.04

T = Time = 2 years

Let plug in the formula

I = 3,000 × 0.04 × 2

I = $240

Therefore she will pay the amount of $240 as interest.

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In this position, if you flip a penny and a dime to get both heads option D). p(2 heads) = one-fourth is correct answer .

It is simply the favorable number of outcomes divided by total outcomes is called probability.

favorable outcomes :-

Two Heads

only one condition ( condition 1: coin-1 => head, coin-2 => head ) is favorable outcome of four conditions.

probability = one-fourth or  [tex]\frac{1}{4}[/tex].

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Answer:

Step-by-step explanation:

I thinkin it -43

Answer:

15

Step-by-step explanation:

because when the y value stays the same, the slope is 0

The value of x for the given triangle is 2 units.

According to the question,

We have the following information:

We have a figure of triangle where a line segment is dividing the two sides. The measurement of some of its sides are given.

Now, the side with measurement 12 units and one divided side is 4 units.

The next side to 4 units in the same side will be (12-4) units or 8 units.

Now, using the basic proportionality theorem, we have the following expression:

6/6x = 4/8

Using the cross multiplication method:

6x*4 = 8*6

x = 48/24

x = 2 units

Hence, the value of x for the given triangle is 2.

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The integer represents the submarine's current location is -525 feet

The initial position of submarine = 75 feet below sea level

The descending rate of submarine = 25 feet every 10 second

Total time = 3 minutes

One minute = 60 seconds

3 minutes = 180 seconds

Therefore number of 10 seconds period = 180 / 10

= 18

For each 10 second the submarine descend 25 feet

Total distance that submarine descend = 18 × 25

= 450 feet

The initial position of submarine = -75

Current position = -75 - 450

= -525 feet

Hence, the integer represents the submarine's current location is -525 feet

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The number of outfits that Gianna can buy given her budget is 8.

The first step is to determine the total cost of the items bought so far

Total cost = price of the bicycle + cost of the bicycle reflectors + cost of the bike gloves

Cost of the bicycle reflectors = cost of one reflector x 2

Cost of the bicycle reflectors = $10.01 x 2 = $20.02

Total cost = $20.02 + $356.46 + $20.72 = $397.20

Amount that is left to buy the outfits = amount Gianna has - total cost

$760 - $397.20 = $362.80

Number of outfits she can buy = amount left / cost of one outfit

Number of outfits she can buy =  $362.80 /  $45.35

Number of outfits she can buy = 8

Here is the complete question:

Gianna has $760 to spend at a bicycle store for some new gear and biking outfits. assume all prices listed include tax. she buys a new bicycle for $356.46. she buys 2 bicycle reflectors for $10.01 each and a pair of bike gloves for $20.72. she plans to spend some of all of the money she has left to buy new biking outfits for $45.35 each. How many outfits can she buy ?

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Equation A. (8(4+x) = 72, and answer C are your responses (5 hours).

What do babysitters for young children go by?

Caregiver, governess, nanny, au pair, infant-care employee, day-care provider, mother's assistant, and mother or father are a few alternative terms for babysitters that seem more professional.

How old do you need to be to watch children?

While most babysitters begin their careers between the ages of 11 and 14, there is no set legal minimum age requirement in most places. At age eleven, you could start a red cross babysitting route. You are old enough if your parents still remember you and think you are trustworthy enough to

Find out how much of her Friday's earnings was left over. four*8= 32

She has 72 dollars in total, of which 32 dollars were earned on Friday; the remaining 56 dollars were earned on Saturday. 72-32 equals forty.

She made 40 dollars on Saturday at an hourly rate of $8, so you divide 40 by 8 to get 5, and so on. On Saturday, she worked for five hours.

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The sixth term is a₆ = 13.

A sequence in which the difference between any two consecutive terms is the same is known as an arithmetic sequence.

Given that, a₁= -12 and aₙ = aₙ₋₁ + 5.

aₙ = aₙ₋₁ + 5

Substitute n = 2 into the above equation,

a₂ = a₂₋₁ + 5

a₂ = a₁ + 5

Substitute a₁ = -12 into the above equation,

a₂ = -12 + 5

a₂ = -7

Repeating the same process, a₃ = -2, a₄ = 3, a₅ = 8, and a₆ = 13.

Hence, the sixth term is a₆ = 13.

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[tex]~~~~~~~~~~~~\textit{distance between 2 points} \\\\ D(\stackrel{x_1}{a}~,~\stackrel{y_1}{-2b})\qquad E(\stackrel{x_2}{4a}~,~\stackrel{y_2}{0})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ DE=\sqrt{(4a-a)^2+( ~~ 0-(-2b)~~)^2}\implies DE=\sqrt{(3a)^2+(2b)^2}[/tex]

Answer:

Step-by-step explanation:

The correct answer is:

|w-20| ≤ 0.12.

Explanation:

We first find the average of the two ends of the inequality:

(19.88+20.12)/2 = 40/2 = 20

This will be the number subtracted from w in the inequality.

Now we find the difference between this value and the ends:

20-19.88 = 0.12

20.12 - 20 = 0.12

This will be what our absolute value inequality ends with; the "answer" part, so to speak.

Since this inequality is written in compact form, it must be an "and" inequality; this means the absolute value inequality must be a "less than or equal to."

This gives us

|w-20| ≤ 0.12

The standard error of the mean is approximately 0.79 (rounded to two decimal places).

Define standard error ?

The standard error is a statistical term that measures the variability of a sample mean or an estimate of a population parameter from its true value. It is the standard deviation of the sampling distribution of the mean. In simpler terms, the standard error measures how much the sample mean varies from the true population mean. A smaller standard error indicates that the sample mean is more likely to be representative of the population mean, while a larger standard error suggests that the sample mean may not be as reliable.

The formula for the standard error of the mean is:

[tex]SE = \frac{\sigma }{\sqrt{n}}[/tex]

Where σ is the population standard deviation and n is the sample size.

Substituting the given values:

[tex]SE =\frac{5}{\sqrt{40}}[/tex]

SE ≈ 0.79

Therefore, the standard error of the mean is approximately 0.79 (rounded to two decimal places).

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