Adeline sells necklaces for a price, x, and bracelets for a price, y. She expects to sell 35 necklaces and 75 bracelets at a fair. Write an equation that will let her determine the prices for a profit of $1875.

The surface area of the pyramid with a square base is equal to 115 square inches.

Herein we have a pyramid with a square base, whose surface area is the sum of the areas of the four triangles and the area of the square, whose calculation is introduced below:

A = A' + 4 · A''

A = (5 in)² + 4 · 0.5 · (5 in) · (9 in)

A = 115 in²

The surface area of the pyramid with a square base is equal to 115 square inches.

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Answer:

19 11/12

Step-by-step explanation: The answer is this because when doing perimeter you add the sides together.

Answer:

Ok I'm going to check it out rn

Experimental study: Manipulates variables to observe their impact.

Correlational study: Examines relationships between variables without manipulation.

This study is an example of an experimental study. In an experimental study, the researcher manipulates an independent variable (in this case, the type of breakfast given to the students) and examines its impact on a dependent variable (academic performance). The study involves dividing the participants into two equivalent groups and assigning them to different breakfast conditions.

In this case, the researcher specifically assigned one group to receive a nutritious breakfast and the other group to receive a non-nutritious breakfast. By controlling and manipulating the independent variable, the researcher can observe any potential effects on academic performance, which is the dependent variable. The study design allows for comparisons between the two groups to determine if there are differences in academic performance based on the type of breakfast provided.

On the other hand, a correlational study aims to examine the relationship or association between variables without manipulating them. It does not involve assigning participants to different groups or controlling the independent variable. Instead, it focuses on observing and measuring variables as they naturally occur to assess their potential relationship.

Regarding the second part of your question, a person with strong critical thinking skills and habits of mind is more likely to evaluate information objectively, analyze it systematically, consider multiple perspectives, and make informed and reasoned judgments. They are more likely to engage in logical reasoning, evidence-based thinking, and open-mindedness, leading to more accurate and well-reasoned conclusions.

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Answer:

8x+5005073

Step-by-step explanation:

Answer:

9 hours

Step-by-step explanation:

$495 divided by 15 hours = $33 - this is how much the trainer charges per hour.

$297 divided by $33 per hour = 9 hours of training

Answer:

It's quite easy

Step-by-step explanation:

people less than 30 years = frequency of people 0 to 15 + 15 to 30 = 8+15 =23

Therefore there are 23 people less than 30 years old.

pls mark me as brainliest pls.

Bill signed up for a mobile phone contract with at&t. bill pays a fixed monthly charge for the phone service plus a per-minute charge for use of the phone. this is an example of Two part pricing

here, we have,

Two-Part Pricing (also known as Two-Part Tariff) = A form of pricing in which consumers are charged both an entry fee (fixed price) and a usage fee (price per unit). An example of two-tiered pricing is a phone plan that charges a fixed monthly fee and a fee per minute of phone usage.

Two-part pricing (TPT) is a form of price discrimination in which the price of a product or service consists of two parts: a flat fee and a unit fee. Generally, such pricing techniques only occur in partially or completely monopolistic markets. It is designed to help businesses capture more consumer surplus than they would in a non-discriminatory pricing environment. Split fees can also exist in a competitive market if consumers are not sure of the ultimate demand.

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complete question:

Bill signed up for a mobile phone contract with at&t. bill pays a fixed monthly charge for the phone service plus a per-minute charge for use of the phone. this is an example of _______

Determine whether each data set is likely to be normally distributed. Here are my evaluations for each data set:

1. The number of eggs collected each day on a farm:
Yes, this data set is likely to be normally distributed. The daily egg collection should follow a bell-shaped curve, with an average number of eggs collected per day and a standard deviation accounting for variability.

2. The number of yolks in randomly selected eggs:
No, this data set is not likely to be normally distributed. The number of yolks in an egg is a discrete variable, with most eggs having only one yolk, and a few having two or more. This distribution would be skewed and not follow a normal distribution.

3. The weights of eggs in the kitchen of a restaurant:
Yes, this data set is likely to be normally distributed. The weights of eggs should follow a bell-shaped curve, with an average weight and a standard deviation accounting for variability.

4. The number of eggs in cartons sold at a supermarket:
No, this data set is not likely to be normally distributed. The number of eggs in a carton is a fixed, discrete variable (e.g., 6, 12, or 18 eggs). The distribution would be discrete and not follow a normal distribution.

Your answer: 1. Yes, 2. No, 3. Yes, 4. No

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Answer:

272 bison

Step-by-step explanation:

y(5)=240\((1+0.025)^{5}\)

y(5) = 271. 5 bison ≈272 bison

The area of the regular polygons with 12 sides(dodecagon) and 5 sides (pentagon) are 389.06 in² and 19.87 in² respectively.

Area of regular polygon = 1/2 × apothem × perimeter

perimeter = (s)side length of octagon × (n)number of side.

apothem = s/[2tan(180/n)].

11 = s/[2tan(180/12)]

s = 11 × 2tan15

s = 5.8949

perimeter = 5.8949 × 12 = 70.7388

Area of dodecagon = 1/2 × 11 × 70.7388

Area of dodecagon = 389.0634 in²

Area of pentagon = 1/2 × 5.23 × 7.6

Area of pentagon = 19.874 in²

Therefore, the area of the regular polygons with 12 sides(dodecagon) and 5 sides (pentagon) are 389.06 in² and 19.87 in² respectively.

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Answer:

x=3,2i,-2i

Step-by-step explanation:

Answer:

3.25

Step-by-step explanation:

total 18.25 - 2.00 tip = 16.25

16.25/5=3.25

Answer:

Using front estimation, the cost of all the items is $450 and it will take 9 months to save enough

Step-by-step explanation:

Here, firstly we want to use front-end estimation to estimate the cost of all the items.

So we want to use front end estimation to add;

325 + 53 + 33 + 71

Thus; 325 becomes 300, 53 becomes 50, 33 becomes 30

while 71 becomes 70

So the estimated total will be;

300 + 50 + 30 + 70 = 450

Now , since he saves $50 per month, the number of months it will take = 450/50 = 9 months

Answer:

(8,90)

Step-by-step explanation:

8 and 90 together... (8,90)

The proper notation for each parts of the circle are:

A. point F B. segment CB C. Secant AB D. Tangent BD E. segment AB F. point B G. segment AE.

The radius of a circle represents the distance from the center to any point on its boundary, while a secant is a line that intersects the circle at two separate points.

A tangent is a line that makes contact with the circle at a single point, called the point of tangency.

Thus, we have:

A. Center of the small circle is: F

B. The radius of the large circle that is not part of a diameter is: CB

C. A Secant is: AB

D. A common Tangent is: BD

E. One chord from the large circle is: AB

F. A Point of Tangency = point B

G. Diameter of the large circle is: AE

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Answer:

  11%

Step-by-step explanation:

You want to know the percentage of Ivan's gross income of $44,000 that goes to taxes if he takes the standard deduction of $13,850.

Ivan's taxable income is the remaining amount after subtracting the standard deduction from his gross income:

  $44,000 -13,850 = $30,150

Ivan pays 10% tax on the first $9875, so ...

  $9875 · 0.10 = $987.50

And he pays 12% tax on the remaining amount of his taxable income:

  ($30,150 -9,875) · 0.12 = $2,433.00

Ivan's total tax is ...

  $987.50 +2,433.00 = $3420.50

The effective tax rate on Ivan's taxable income is ...

  3420.50/30150 × 100% ≈ 0.1134 × 100% ≈ 11%

Ivan will pay about 11% of his taxable income in taxes.

The approximate P-value for this test is D. 0.01267.

From the information, Mrs. Peterson claims to produce random numbers from 1 to 5 (inclusive) on her calculator, but you've been keeping track. In the past 80 selections, the number "five" has come up only 8 times.

The p(cap) will be:

= 8 / 80

= 0.1

The z score will be:

= (0.1 - 0.2) / (✓0.2(0.8)/80

= -0.1 / ✓0.0019

= -2.236

= -2.24

By using the distribution table after getting the z score, the p value is 0.01267.

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Answer: 300 i believe.

The expression which is stated that three more than a number squared is written as n² + 3.

Algebra is the study of mathematical symbols and the rule involves manipulating these mathematical symbols.

Let the number be n.

The square of the number n is given as n².

This number is more than 3 then the number will be

n² + 3

The expression which is stated that three more than a number squared is written as n² + 3.

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The Laplace transform of 3 + 2t - 4t³ is 3/s + 2/s² - 24/s⁴, the Laplace transform of cosh²³t is s/(s²-9), and the Laplace transform of 3t²e(-2t) is 6(s+2)⁻³.

To find the Laplace transform of 3 + 2t - 4t³, we can apply the linearity property of the Laplace transform. The Laplace transform of a constant is simply the constant itself. The Laplace transform of t is 1/s², where s is the complex frequency variable. The Laplace transform of t³ can be obtained using the power rule, which states that the Laplace transform of tⁿ is n!/s(n+1), where n is a positive integer.

3.1.1. L{3 + 2t - 4t³}

L{3 + 2t - 4t³} = 3L{1} + 2L{t} - 4L{t³}

= 3/s + 2/s² - 4(3!)/s⁴

= 3/s + 2/s² - 24/s⁴

3.1.2. L{cosh²³t}

Since the Laplace transform of cosh(at) is s/(s²-a²), we can apply this formula with a = 3 to get:

L{cosh²³t} = s/(s²-3²) = s/(s²-9)

3.1.3. L{3t²e(-2t)}

Using the rule for the Laplace transform of tⁿe(at), which is n!(s-a)⁻(n+1), we substitute n = 2 and a = -2:

L{3t²e(-2t)} = 3(2!)(s-(-2))⁻³

= 3(2!)(s+2)⁻³

= 6(s+2)⁻³

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Answer:

2 4/10 is equivalent  24/10 which is nor equal nor less than 12/100

Step-by-step explanation:

Answer:

1/2

Step-by-step explanation:

On a number line, a specific point between 0 and 1 would be a decimal number because:

0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1

If I wanted to name a particular point using a fraction strip, say 0.5 on the number line, I would say 5/10(count 5 numbers till 0.5 divided by total count of numbers).

0.5 would therefore be half/mid point between 0 and 1

If I wanted to get an equivalent fraction for this, I could reduce 5/10 to its lowest terms to get 1/2 which has same value(half) but different numerator and denominator.

Equivalent fractions have different numerators and denominators but are the same in value, example 2/4, 50/100, 9/18 etc are all the same with 5/10 or 1/2 above

Let the estimated product  of 512 and 46 using the standard algorithm is

           5  1  2

          ×   4 6  

          3  0 7  2

+    2 0 4 8      

      2  3 5 5  2

let,

512 and 46

Using the standard algorithm, we must find the product.

What is the typical algorithm for multiplying numbers?

Example:

12 x 13 = 156

12 x 1 = 12

12 x 3 = 36

Now,

          1 2

       × 1 3  

         3 6

   + 1 2      

        1 5 6

We have,

512 x 46 = 23552

The Standard algorithm is:

512 x 4 = 2048

512 x 6 = 3072

          5  1  2

        ×   4 6

     3  0 7  2

+ 2 0 4 8    

  2  3 5 5  2

The result of multiplying 512 by 46 using the conventional procedure is 23552.

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After solving the system of equation we will get

x = 5y/2 +1  

y = 2/5- 2x/5

First equation is written

−2x+5y=−2

Subtract 5y from both sides.

−2x =−2−5y

The equation is in standard form.

−2x=−5y−2

Divide both sides by −2.

-2x/-2 = -5y-2/ -2

Dividing by −2 undoes the multiplication by −2.

x= −5y-2/-2

​Divide  −2−5y  by −2.

so

x= 5y/2 + 1

Now the second equation is

4x−10y=4

Add 4x to both sides

-10y = 4-4x

The equation is in standard form.

Divide both sides by 10

-10y/10= 4-4x/10

Dividing by 10 undoes the multiplication by 10.

y= 4-4x/10

Divide 4-4x by 10.

so

y= 2/5- 2x/5

​

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Answer:

In the linear function equation y = -7x + 1, the value of m (the slope of the line) is -7. The slope of a line represents the rate at which the y-value changes as the x-value changes. In this case, for every unit increase in the x-value, the y-value decreases by 7 units. Therefore, the function has a rate of -7.

To find the slope of a line from a linear function equation, you can use the formula m = (y2 - y1)/(x2 - x1), where (x1, y1) and (x2, y2) are two points on the line. In this case, we can choose any two points on the line and substitute their coordinates into the formula to find the slope. For example, if we choose the points (1, -6) and (2, -13), we get:

m = (-13 - (-6)) / (2 - 1) = -7

Alternatively, we can use the fact that the slope of a line is equal to the coefficient of the x-term in the linear function equation. In this case, the coefficient of the x-term is -7, so the slope of the line is also -7.

Step-by-step explanation:

first off, let's check how much air is in the ball, we know it has a diameter of 8, that means its radius is half that, or 4.

\(\textit{volume of a sphere}\\\\ V=\cfrac{4\pi r^3}{3}~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=4 \end{cases}\implies V=\cfrac{4\pi (4)^3}{3}\implies V=\cfrac{256\pi }{3}~in^3\)

now, we know the air is escaping at 2.5 in³ every second, so hmm how many times does 2.5 go into V?

\(\cfrac{256\pi }{3}\div 2.5\implies \cfrac{256\pi }{3}\div \cfrac{25}{10}\implies \cfrac{256\pi }{3}\cdot \cfrac{10}{25}\implies \cfrac{512\pi }{15} ~~ \approx ~~ \boxed{107.2~seconds}\)

Answer:

\(\huge\boxed{a^6b^3}\)

Step-by-step explanation:

Because every term here is multiplied, simply count the number of 'a's and 'b's.

Hope it helps :) and let me know if you want me to elaborate.