1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Veronika [31]
3 years ago
11

Victoria and her friends are going to the skateboard shop to pickup some equipment. They buy two new skateboards for $87.98 each

, 3 pairs of kneepads for $14.57 each, and 4 helmets for $21.24 each. What is their total cost? (hint: don't forget the $) * 50 points
Mathematics
1 answer:
nika2105 [10]3 years ago
3 0

Answer:

$304.63

Step-by-step explanation:

From the information provided, the total cost can be calculated by multiplying the price of each item for the amount purchased and adding up the results:

Total cost=($87.98*2)+($14.57*3)+($21.24*4)

Total cost=$175.96+$43.71+$84.96

Total cost= $304.63

According to this, the answer is that their total cost is $304.63.

You might be interested in
What is the solution of 4−6x≥−8 A.) x≥2 B.) x≤23 C.) x≤2 D.) x≤−2
Alenkasestr [34]

Answer: I cant tell which one is a or b or c or d but ill say its b

5 0
3 years ago
Read 2 more answers
A piece of wire of length L will be cut into two pieces, one piece to form a square and the other piece to form an equilateral t
inn [45]

Answer:

  (a)  square: L; triangle: 0.

  (b)  square: L·(-16+12√3)/11; triangle: L·(27-12√3)/11

Step-by-step explanation:

<u>Strategy</u>: First we will write each area in terms of its perimeter. Then we will find the total area in terms of the amount devoted to the square. Differentiating will give a way to find the minimum total area.

__

In terms of its perimeter p, the area of a square is ...

  A_square = p^2/16

In terms of its perimeter p, the area of an equilateral triangle is ...

  A_triangle = p^2/(12√3)

Then the total area of the two figures whose total perimeter is L with "x" devoted to the square is ...

  A_total = x^2/16 + (L-x)^2/(12√3)

__

(a) We know when polygons are regular, the one with the most area for the least perimeter is the one with the most sides. Hence, the total area is maximized when all of the wire is devoted to the square.

__

(b) The derivative of A_total with respect to x is ...

  dA/dx = x/8 -(L-x)/(6√3)

This will be zero when ...

  x/8 = (L-x)/(6√3)

  x(6√3) = 8L -8x

  x(8 +6√3) = 8L

  x = L·8/(6√3 +8) = 8L(6√3 -8)/(64-108)

  x = L·(12√3 -16)/11

The total area is minimized when L·(12√3 -16)/11 is devoted to the square, and the balance is devoted to the triangle.

5 0
3 years ago
What is the difference of the two polynomials? (NineX squared plus 8X) minus (twoX squared plus 3X)
bagirrra123 [75]

Answer:

7x {}^{2}  + 5x

Step-by-step explanation:

9x {}^{2} + 8x - (2x {}^{2} + 3x) \\  \\  = 9x {}^{2} + 8x - 2x {}^{2} - 3x (remove \: brackets) \\\  \\ = 7x {}^{2} - 5x

5 0
3 years ago
Write any 4 laws of exponents.<br>​
emmainna [20.7K]

         \rule{50}{1}\large\blue\textsf{\textbf{\underline{Question:-}}}\rule{50}{1}

       <em>Write any 4 laws, or properties, of exponents.</em>

<em />

<em>        </em>\rule{50}{1}\large\blue\textsf{\textbf{\underline{Answer and how to solve:-}}}\rule{50}{1}

\Large\text{Law number 1:-}

\Large\text{$a^n*a^m=a^{n+m}$}

\Large\text{It states that:-}

                        When we multiply together numbers with the same base,

                         we add the exponents.

\Large\text{Law number 2:-}

\Large\text{$a^m:a^n=a^{m-n}$}

\Large\text{It states that:-}

                     When we divide numbers with the same base, we

                     subtract the exponents.

\Large\text{Law number 3:-}

\Large\text{$(\displaystyle\frac{x}{y}) ^n=\frac{x^n}{y^n}$}

\Large\text{It states that:-}

                 If we have a fraction to a power, we raise the numerator and

               the denominator to that power.

And then last but not least,

\Large\textit{Law number 4:-}

\Large\text{$a^{-m} =\displaystyle\frac{1}{a^m}$}

\Large\text{It states that:-}

                   If we have a number with a negative exponent, we flip it over.

<h3>Good luck with your studies.</h3>

#TogetherWeGoFar

\rule{50}{1}\smile\smile\smile\smile\smile\smile\rule{50}{1}

6 0
2 years ago
Read 2 more answers
The Punnett square shown presents a cross between two piranha. Both parents have large teeth.
Jlenok [28]
The parents both have large teeth, which is dominant. Two dominants make another dominant, so the baby will have large teeth.
5 0
3 years ago
Read 2 more answers
Other questions:
  • At the frozen yogurt shop, a machine fills cups with 4 ounces of frozen yogurt before adding the toppings. After the cups are fi
    10·1 answer
  • Solve 3+4n/n = 7b for n
    14·1 answer
  • A tortoise is walking in the desert. It walks for 15.36
    5·1 answer
  • Combine like terms (2+7x)(2-7x)=
    7·1 answer
  • Identify A, B, and C<br><br> -6x2-5x+3=-8X2-4x
    14·1 answer
  • Pls i need help rn this is due REALLY soon pls thank you
    12·2 answers
  • Hi I need help with math ​
    7·1 answer
  • Relationship B has a greater rate than Relationship A. This graph represents Relationship A.Which equations could represent Rela
    15·1 answer
  • PLLKEEASE HELPPPPPPP ASAPP
    5·1 answer
  • Slope of 4/5, a width of 30…what is the height..?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!