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3 years ago

Stores often mark up items each year to cover inflation.

Mathematics

2 answers:

BartSMP [9]3 years ago

8 0

Answer:

The new price would be 108% of last year’s price. Multiply the new price by 4 and then multiply that amount by 90% to find the sale price.

Step-by-step explanation:

sample response

miv72 [106K]3 years ago

3 0

Answer:

so you have $12.95. then you multiply it by 8% which gives you $13.986. Then you take 10% off of it, which gives you $12.5874.

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A pair of shoes that normally sells for $74.88 goes on sale for 25% off. What is the sale price?

igor_vitrenko [27]

Answer:

$56.16

Step-by-step explanation:

74.88 times 0.75 =56.16

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3 years ago

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3 years ago

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Answer:

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3 years ago

Use the Law of Cosines to find the missing angle.<br><br> Find m∠A to the nearest tenth of a degree.

Savatey [412]

Firstly, we can look at our givens,

a = 17

b = 22

c = 30

And we are looking for m∠A

$a^2=b^2 +c^2 -2bc (cosA)$ Is the Law of Cosines. Now we can solve for our unknown, m∠A. This will give us

$A = cos^{-1} (\frac{-a^2+b^2+c^2}{2bc})$

Now we can substitute in our given variables.

$A= cos^{-1} (\frac{-(17^2)+27^2+30^2}{2(27)(30)} )$

Then we can plug this into our calculator which will give us

34.19185257 degrees

Now we just have to round to the nearest tenth

This means that the answer is 34.2 degrees

8 0

3 years ago

Read 2 more answers

Which system about this figure is true?

jok3333 [9.3K]

Answer:

1) It has rotational symmetry with an angle of rotation of 90 degrees.

TRUE, it has rotational degree, FALSE, angle of rotation is 180 degrees

2)It has no reflection symmetry. FALSE

3)It has reflection symmetry with many planes of symmetry. TRUE

4) It has no rotational symmetry. FALSE

Step-by-step explanation:

Rotational Symmetry is when an object is rotated around a center point (turned) a number of degrees and the object appear the same.

Symmetry Order = Number of turns it takes to get to its similar position.

Reflected Symmetry : When a line is drawn which divides the shape in to two equal halves it is called reflective symmetry.

Consider the given figure:

1) It has rotational symmetry with an angle of rotation of 90 degrees.

TRUE, it has rotational degree.

FALSE, it regains its identical shape in 90 degrees, it is in 180 degrees.

2)It has no reflection symmetry.

FALSE, the given figure has reflection symmetry along both horizontal and vertical axis.

3)It has reflection symmetry with many planes of symmetry.

TRUE, it has inflectional symmetry in Horizontal as well a in vertical plane.

4) It has no rotational symmetry.

FALSE, it has a rotational symmetry of ORDER 2

3 0

3 years ago