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anastassius [24]
3 years ago
13

Use the variable t for the number of teeth in one row. Write an expression to determine the number of teeth in a sharks mouth.

Mathematics
1 answer:
AURORKA [14]3 years ago
7 0
If t represents the number of teeth in one row...and a shark has 3 rows of teeth...then the expression to find out how many teeth he has in his entire mouth is : 3t
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Solve the equation by finding the common denominator. two and four sevenths plus seven and three ninths equals blank
kotegsom [21]

Answer:

9 19/21

Step-by-step explanation:

2 and 4/7 + 7 3/9 or 7 1/3. If you find common denominator its 21. So 2 and 12/21 and 7 7/21. If you add that would equal 9 19/21.

Hope this helps :)

7 0
2 years ago
And electronics store chain sells headphones The company is about to introduce a new headphones model that is expected to sell v
klasskru [66]

Answer:

P(x) = -0.25x^2 + 42x - 90

Step-by-step explanation:

Given

C(x) = -17x + 90

R(x) =- 0.25x^2 + 25x

Required

Determine the profit function.

Profit function is calculated as thus:

P(x) = R(x) - C(x)

So, we have:

P(x) = -0.25x^2 + 25x -(-17x + 90)

P(x) = -0.25x^2 + 25x + 17x - 90

P(x) = -0.25x^2 + 42x - 90

5 0
3 years ago
Which of the following is the correct word equation for the reaction described below?
Alex_Xolod [135]
<span>calcium hydride + water → calcium hydroxide + hydrogen</span>
8 0
3 years ago
Read 2 more answers
PLEASE HELP FAST!!!!!! How many triangles can be constructed using the following three side lengths: 4.8 cm, 2.1 cm, and 2.6 cm?
34kurt

Answer:

no triangles

Step-by-step explanation:

why?

the triangle inequality theorem

this theorem states that the sum of any two sides must be bigger than or equal to the third side. however, the sum of 2.1 and 2.6 is less than 4.8

7 0
3 years ago
(2x^3+16x^2-12x+9) ÷ (x+7)
madam [21]
Always eliminate the first one before moving on. Remember to drop down monomials, like you would a normal division problem.

                     2x² + 10x + 18
         __________________
x + 3 | 2x³ + 16x² - 12x + 9
         -(2x³ + 6x²)
         -------------------------------
                    10x² - 12x
                  -(10x² - 30x)
         -----------------------------
                            + 18x + 9
                          - (18x + 54)
                    ----------------------
                                      -45


  2x² + 10x + 18        R: -45/x + 3 is your answer R: = remainder


hope this helps
3 0
3 years ago
Read 2 more answers
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