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Bad White [126]
2 years ago
6

A music store marks up the instruments it sells by 30%.

Mathematics
2 answers:
solong [7]2 years ago
8 0

Answer: They will mark it up 13.5$ to 58.5$

Step-by-step explanation:

45 x .3 = 13.5

45 + 13.5 = 58.5

Sphinxa [80]2 years ago
5 0

Answer:

The mark up will be 13.5

Step-by-step explanation:

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4 less than 6x, cubed
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➷ You would write this as:

6x^3 - 4

<h3><u>✽</u></h3>

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3 0
2 years ago
Read 2 more answers
Basic geometry question plsss
SSSSS [86.1K]

Answer:

x=53

Step-by-step explanation:

pythagoras theorem

a^2 + b^2 =c^2

here a and b are two small sides and c is hypotenuse (longest side)

28^2 + 45^2 = c^2

784 + 2025 =x^2

2809 =x^2

\sqrt{2809} =x

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7 0
2 years ago
Which number line shows the solution set for |p-3|=9?
Mademuasel [1]

Answer:

Option b

p = -6 or p = 12

Step-by-step explanation:

The absolute value is a function that transforms any value x into a positive number.

Therefore, for the function f(x) = |x|  x> 0 for all real numbers.

Then the equation:

|p-3| = 9 has two cases

(p-3) = 9    if h > 3  (i)

-(p-3) = 9    if h < 3 (ii)

We solve the case (i)

p = 9 + 3\\p = 12

We solve the case (ii)

-p +3 = 9\\p = 3-9\\p = -6

Then the solution is:

p = -6 or p = 12

3 0
3 years ago
Factor the trinomial below. Enter each factor as a polynomial in descending order x2-10x+25
kondaur [170]
What multiplies to 25 and adds to -10
-5 and -5

(x-5)(x-5)
(x-5)²
3 0
2 years ago
Some identical cylinders each have a radius of
Anni [7]

Answer:

  8 cylinders

Step-by-step explanation:

The surface area of a cylinder is given by the formula ...

  A = 2πr(r +l) . . . . . for radius r and length l

__

The cylinders Rufus has each have an area of ...

  A = 2π(5 cm)(5 cm +4 cm) = 90π cm² ≈ 282.74 cm²

That means 2500 cm² of paint will cover ...

  2500 cm²/(282.74 cm²/cylinder) ≈ 8.84 cylinders

Rufus has enough paint to cover 8 cylinders completely.

4 0
2 years ago
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