Juan has $120 in his checking account. He buys 4 equally priced shirts and pays with a check. If Juan now has -$60 in his account, how much was each shirt ?

Answer:

income:

6+5+4= 15

expenses:

10+3= 13

15-13= 2 dollars

Answer:

-4+1=-3 is a correct answer

Answer:

[tex]46 - 6 \sqrt{5} [/tex]

Step-by-step explanation:

hope it helped

Answer:

Development costs: $2757

Promotion costs: $3155

Step-by-step explanation:

This might seem like a two-variable problem, but in actuality it's not - because the demand function is a sum of two components, each being independent and using only one variable, we can solve for the two separately.

Moreover, the price per unit and cost per unit is constant, so each product yields exactly $80 ($210 - $130).

Let's solve separately.

We need to maximize:

$80 * 160y/(y+4) - 1000y = $12800 * y/(y+4) - $1000*y

$80 * 170x/(x+7) - 1000x = $13600 * x/(x+7) - $1000*x

Let's go:

$12800 * y/(y+4) - $1000*y = $12800 * (1 - 4/(y+4)) - $1000y = $12800 - $51200/(y+4) - $1000*y

we analyze the derivative. $12800 is a constant, so we can skip it. Derivative of 1/(y+4) is -(y+4)^-2, derivative of $1000y is $1000.

deriv = $51200/(y+4)/(y+4) - $1000

We find the changepoints by analyzing $51200/(y+4)/(y+4) - $1000 = $0. We don't need to worry about y+4 = 0 because we cannot spend negative money on development/advertisement.

(y+4)^2 = $51.2

y+4 ~= 7.155417528 (or -y-4 = 7.1554... but it doesn't make sense because negative budget so we don't analyze).

y ~= 3.155417528

lastly, we should check that it's actually a maximum there - but it is, the original function goes to negative infinity.

rounding $1000y to the nearest dollar gives us $3155

Let's do the same for x:

$13600 * x/(x+7) - $1000*x = $13600 * (1 - 7/(x+7)) - $1000x = $13600 - $95200/(x+7) - $1000*x

deriv = $95200/(x+7)/(x+7) - $1000

$95200/(x+7)/(x+7) - $1000 = $0

(x+7)^2 = 95.2

(x+7) ~= 9.75704873412

x ~= 2.75704...

rounding $1000x to the nearest dollar yields $2757

Answer:

[tex]9x^3-8x^2[/tex]

Step-by-step explanation:

[tex](7x^3-4x^2)+(2x^3-4x^2)[/tex]

Combine [tex]7x^3[/tex] and [tex]2x^3[/tex] to get [tex]9x^3[/tex].

[tex]9x^3-4x^2-4x^2[/tex]

Combine [tex]4x^2[/tex] and

9x^3-8x^2

Hope this helps.

Answer:

Cry about it wah wah wahhhhhhhh

Step-by-step explanation:

Answer:

1. 250%

2. 975%

3. 420%

4. 730%

Hope that helps!

Answer:

a), y=62       b.) c=1 3/5 or 8/5

Step-by-step explanation:

Okay so these are fairly simple lets start with A

4y=248, all we have to do is divide 4 on both sides

4y/4=y

248/4=62

Pretty Simple

For b just subtract 2/5 from both sides

(c+2/5)-2/5=c

2-2/5=1 3/5 or 8/5

Answer:

x ≈ 12.8

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Equality Properties

Trigonometry

Step-by-step explanation:

Step 1: Define

Angle θ = 58°

Opposite Leg = x

Adjacent Leg = 8

Step 2: Solve for x

Answer:

JH = 97.9

Step-by-step explanation:

25/12 = x/47

12x = 1175

x = 97.917

Answer:

first one

Step-by-step explanation:

all the others are lower than 3/4 or .75

Answer:

A'(4, -3) ; T'(-1, 4)

Step-by-step explanation:

Multiply the coordinates by 1/2, or divide them by 2 to get the new points.

A(8, -6) ⇒ A'(4, -3)

T(-2, 8) ⇒ T'(-1, 4)

Answer:

3

Step-by-step explanation:

2x+4=10

2(3)+4=10    2*3 = 6

6+4=10

10 = 10

Answer:x=4/3y+8

Step-by-step explanation:

Step 1: Add 4 to both sides.

Step 2: Divide both sides by 1/2.

Answer:

3x-4y =24

Step-by-step explanation:

hope this helped xoxo

Step-by-step explanation:

Sub in your values

4-4(-3)/2

=4 + 12 /2

=4+ 6

=10

Answer:

[tex] cos(45 - \alpha ) - \sin(45 - \alpha )[/tex]

Answer:

452.16

Step-by-step explanation:

Simple, To the center is 6 and we are trying to find the circumference, So 6 x 6 = 36 then multiply it by pi (3.14) and we get 113.04 and it rotates 4 times so then we need to multiply 113.04 x 4 which is 452.16

Answer:

18 18 15 14 12 11 11 11 ...........

Answer:

Step-by-step explanation:

despacito

Let the students with B(s) be x.

So, the students with C should 10 more than x = x + 10

Total students = 50

=> students with B + students with C = 50

=> x + (x + 10) = 50

=> 2x + 10 = 50

=> 2x = 50 - 10 = 40

=> x = 40/2 = 20

Thus,

students with B = x = 20

students with C = x + 10 = 20+10= 30

Number of students who had a B are 20.

And, Number of students who had a C are 30.

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

There are 50 students who had grades of B or C.

There were 10 more students with C’s than B’s.

Now,

Let number of students who had grade B = x

So, The number of students who had grade C = x + 10

So, we can formulate;

x + (x + 10) = 50

x + x + 10 = 50

2x + 10 = 50

2x = 50 - 10

2x = 40

x = 20

Thus, The number of students who had grade B = x

                                                                          = 20

So, The number of students who had grade C = x + 10

                                                                       = 20 + 10

                                                                       = 30

Therefore, Number of students who had a B are 20.

And, Number of students who had a C are 30.

Learn more about the mathematical expression visit:

brainly.com/question/1859113

#SPJ2

Answer:

What are we answering?? theres nothing there

Step-by-step explanation:

Answer:

uhh there's nothing-

Step-by-step explanation:

Using the formula of area of a square, the fewest number of tiles required will be approximately 3

A square can be defined as a closed two-dimensional shape with four sides that are equal to each other and four equal angles. The four sides of the square will form the four angles at the vertices. The sum of the length of all the sides of a square is known as the perimeter, and the total space occupied by the shape is the area of the square.

The formula of area of a square is given as

A = l²

The total area of the floor can be calculated as

A = l²

A = 5²

A = 25 ft²

The least number of tiles required to cover the floor will be calculated using the square with it's largest side

l = 3ft

A = 3²

A = 9ft²

The numbers required will be 25 / 9 = 2.78≅3

Learn more on area of square here;

https://brainly.com/question/24487155

#SPJ1

Answer:

The First square has an area of 40 square units

Answer:

34.5

Step-by-step explanation:

11.50*3 = 34.5

Answer:

120 units^2

Step-by-step explanation:

1/2bh

In this scenario rotate the triangle and you get 10 as the base and 24 as the height

1/2*10*24

12*10=120

Answer:

6,240 unit squared is the answer

33x33=1089

---

hope it helps

Answer:

363

Step-by-step explanation:

33x33=1089

[tex]\sqrt[3]{1089}[/tex] = 363

Answer:

32 is the difrents

Step-by-step explanation:

if you calculat the difrents in y you will find it