2 years ago

A DVD player with a list price of $100 is marked down

Mathematics

1 answer:

dsp732 years ago

5 0

Answer:

$56

Step-by-step explanation:

100 - (100(0.30)) = 100 - 30 = 70

70 - (70(0.20)) = 70 - 14 = 56

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Monica has been saving her spare change. So far she has saved 40 coins for a total of $6.25. Some of the coins are quarters (25

neonofarm [45]

Answer:

10 quarters

40 dimes

Step-by-step explanation:

q + d = 40

25q + 10d = 625

25 > 10

q < d

25(10) = 250

10(40) = 400

$2.50 + $4.00 = $6.00

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2 years ago

Describe the rays of an angle that measures 1/2 turn?

mel-nik [20]

<span>180 degrese or some thing flat</span>

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2 years ago

Terry spent $33.25 to have 475 fliers printed for his business. What was the cost of a single flier?

Elanso [62]

Answer:

Step-by-step explanation:

divide 33.25/475 and you'll get 7 cents per flier

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1 year ago

Which set of ordered pairs does not represent a function? \{(5, -9), (6, -6), (-3, 8), (9, -6)\}{(5,−9),(6,−6),(−3,8),(9,−6)} \{

Nady [450]

Answer:

$\{(-6, -4), (4, -8), (-6, 9), (1, -3)\}$

Step-by-step explanation:

Given

$\{(5, -9), (6, -6), (-3, 8), (9, -6)\}$

$\{(-6, -4), (4, -8), (-6, 9), (1, -3)\}$

$\{(1, -1), (-5, 7), (4, -9), (-9, 7)\}$

$\{(8, -9), (-3, -6), (-4, 4), (1, -5)\}$

Required

Which is not a function

An ordered pair is represented as:

$\{(x_1,y_1),(x_2,y_2),(x_3,y_3),..........,(x_n,y_n)\}$

However, for the ordered pair to be a function; all the x values must be unique (i.e. not repeated)

<em>From options (a) to (d), option (b) has -6 repeated twice. Hence, it is not a function.</em>

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2 years ago

What is the answer I’m not sure I’m right

trasher [3.6K]

Answer:

x=0

Step-by-step explanation:

If you combine like terms it is x^2 +6x -27=-27

x^2 +6x =0

x^2=0

x=0

3 0

2 years ago