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finlep [7]
3 years ago
7

An online music club sells compact discs for $13.95 each plus $1.95 shipping and handling per order. If Maria’s total bill was $

85.65, how many compact discs did Maria purchase?
Mathematics
2 answers:
hoa [83]3 years ago
6 0

Answer:

she purchased 6 compact discs

Step-by-step explanation:

13.95 × 6 + 1.95= 85.65

Vinvika [58]3 years ago
5 0

Answer:

6

Step-by-step explanation:

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Total Increase in tax rate= 2.7%-2.5% =0.2%
Now to find the total value of the property, 
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Consider the triangle. Which shows the order of the angles from smallest to largest? angle A, angle B, angle C angle B, angle A,
Katyanochek1 [597]

Answer:

angle B, angle A, angle C

Step-by-step explanation:

The shortest side length will be opposite the smallest angle, and the longest side length will be opposite the largest angle.

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Since the smallest side is AC, this means the smallest angle is angle B.

Since the middle length side is BC, the middle sized angle is A.

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6 0
3 years ago
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Which of the following equations can be used to find the length of EF in the
Vinil7 [7]

The equation which can be used to find the length of EF is option A which is  EF=\sqrt{24^{2} -12^{2} }.

Given the length of base of right angled triangle is 12 and the hypotenuse be 24.

We are to find the length of EF and tell which equation can be used to find the length of EF.

We know that pythagoras theorem applies in a right angled triangle.

Pythagoras theorem says that in a right angled triangle the square of the hypotenuse is equal to the sum of square of base and perpendicular.

H^{2} =B^{2} +P^{2}

In this triangle we are only given base and hypotenuse and we have to find EF which is perpendicular.

(DE)^{2} =(EF)^{2} +(DF)^{2}

EF=\sqrt{DE^{2}-DF^{2}  }

=\sqrt{(24)^{2} -(12)^{2} }--1

=\sqrt{576-144}

=\sqrt{432}

Hence the equation which can be used to find the length of Ef is option A which is  EF=\sqrt{24^{2} -12^{2} }.

Question is incomplete as it should include the figure also.

Learn more about pythagoras theorem at brainly.com/question/343682

#SPJ1

3 0
2 years ago
Describe what the graph of the sounds at a rock concert look like.
Romashka-Z-Leto [24]

The graph would be similar to a Sin or Cos graph with a vertical shift. As the music gets louder the graph will go up and as the music and crowd become quieter, the graph will go down. Going up and down until the end of the concert where it will be 0.


Also side note, are you by chance in Trig 01 Summer course? If so, I am in the same class haha.

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Which letter has point symmetry?
svetlana [45]

Answer:

Letters A, M, and T

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All of these letters have a point of symmetry.

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