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nikdorinn [45]
3 years ago
7

Together a boogie board, surfboard, and wetsuit cost $1,312. The surfboard cost six times the boogie board, and the wetsuit is $

300 less than the surfboard. How much does the boogie board cost? How much the surfboard cost? Hint, let x = cost of the boogie board.
In box one, write the simplified equation you would use to solve this problem ______
In box two, the boogie board cost ______
In box three, the surfboard cost ______
Im ox four, the wetsuit cost ______
Mathematics
1 answer:
marissa [1.9K]3 years ago
5 0

Answer: See explanation

Step-by-step explanation:

Let the cost of the boogie board be represented by x.

The surfboard cost six times the boogie board. Therefore, surfboard =6x

The wetsuit is $300 less than the surfboard. This means wetsuit = 6x - 300

Together a boogie board, surfboard, and wetsuit cost $1,312. Therefore,

x + 6x + 6x - 300 = 1312

13x = 1312 + 300

13x = 1612

x= 1612 / 13

x = 124

Boogie board cost $124

Surfboard = 6x

= 6 × $124

= $744

Wetsuit = 6x - 300

= $744 - $300

= $444

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ludmilkaskok [199]

Answer:

25

Step-by-step explanation:

ABC is a right angle so ABD and DBC are <em>complementary angles</em> and their sum is equal to 90:

x + 55 = 90 subtract 55 from both sides

x = 25

6 0
2 years ago
Could someone help me with this ASAP? thanks !
Maru [420]
<h3>Answer:</h3>

A. 6x^2+-5x+14x+-35

           6x^2+9x-35

B. 5x^4+-3x^3+10x^3+-6x^2

           5x^4+7x^3-6x^2

C. 25x^2+-20x+20x+-16

             25x^2-16

D. x^4+-4x^2+-7x^2+28

           x^4-11x^2+28

====================================

Step-by-step explanation:

A. (3x*2x)+(3x*-5)+(7*2x)+(7*-5)

        Multiply and simplify.

                6x^2+9x-35

B. (x^2*5x^2)+(x^2*-3x)+(2x*5x^2)+(2x*-3x)

         Multiply and simplify.

              5x^4+7x^3-6x^2

C. (5x*5x)+(5x*-4)+(4*5x)+(4*-4)

         Multiply and simplify.

                  25x^2-16

D. (x^2*x^2)+(x^2*-4)+(-7*x^2)+(-7*-4)

         Multiply and simplify.

                x^4-11x^2+28

I hope this helps!

But you should really do this yourself.

3 0
3 years ago
Which expressions are polynomials?
AlekseyPX

one of those questions are polynomials and the one that is a polynomial is obviously the answer and that would be the third one


5 0
3 years ago
Read 2 more answers
The cost of a plane ticket varies directly as the number of miles in the trip. A 3000 mile trip costs $400. What is the cost of
melisa1 [442]

Answer:

$60

Step-by-step explanation:

set up a proportion and cross-multiply:

3000/400 = cost/450

c = cost

3,000c = 180,000

c = 180/3

c = 60

6 0
3 years ago
ANSWER IN THE COMMENTS SECTION
ryzh [129]

Answer:

B.

Step-by-step explanation:

6 0
3 years ago
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