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Svetlanka [38]
3 years ago
7

Mary bought a purse which was marked at 25% off. The original price of the purse was

Mathematics
2 answers:
jarptica [38.1K]3 years ago
8 0
The answer is $36.45
miskamm [114]3 years ago
7 0

Answer: $36.45

Step-by-step explanation:

45(.25)=11.25

45-11.25=33.75

33.75(.08)=2.70

33.75+2.70=36.45

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Determine which of the lines, if any, are parallel. Explain.
MariettaO [177]

Answer:

Parallel lines have same slope but different y-intercept

None of the given equations have same slope. Therefore lines are not parallel.

Step-by-step explanation:

Slope of Line a: 4y +x=8 is -1/4

Slope of Line b: 2y + x = 4 is -1/2

Slope of Line c: 2y = -3x + 6 is -3/2

3 0
3 years ago
32 3/4 take away 12 1/2​
Otrada [13]

Answer:

The answer is 20 and 1/4

7 0
3 years ago
Read 2 more answers
Carly bought a new house for $125,000. The value of the house appreciates approximately 3.5% each year. What will be the value o
Hatshy [7]
So using a calculator this question is really easy 125,000x 1.35 ^10 =. 
<span>2513319</span>
8 0
3 years ago
What is the frequency of d=9cos(pi/2 t)
patriot [66]
The period is equal to 2pi/n, where n is the coefficient of t. In this case pi/2. Therefore the period in this example is 4. Frequency is equal to 1/period. Hence the frequency for this problem is 1/4
5 0
3 years ago
The coordinates of three vertices of square ABCD are A(−212,112),B(−212,−3), and C(2,112).
Lady_Fox [76]

Answer:

<em>P=760</em>

Step-by-step explanation:

Three of the coordinates of the square ABCD are A(-212,112) B(-212,-3) C(2,112). The image below shows the square is not ABCD but ABDC. In fact, this is not a square, as we'll prove later.

Note the x-coordinate of A and B are the same. It means this side is parallel to the y-axis. Also, the y-coordinate of A and C are the same, meaning this side is parallel to the x-axis. The missing point D should have the same x-coordinate as C and y-coordinate as B, i.e. D=(2,-3).

This shape has sides that are parallel to both axes.

To calculate the perimeter we find the length of two sides.

The distance from A to B is the difference between their y-axis:

w=112-(-3)=115

The distance from A to C is the difference between their x-axis:

l=2-(-212)=215

It's evident this is not a square but a rectangle. The perimeter is

P=2w+2l=330+430

P=760

7 0
3 years ago
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