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xenn [34]
3 years ago
10

8) During a clearance sale, a keyboard that normally sells for $49.99 is discounted for $34.99. What is the percent discount?

Mathematics
1 answer:
olganol [36]3 years ago
8 0
The percentage discount is 80%

80% of 50 is 40.

I hope this helps.
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Can someone please help me with this question ?
spayn [35]

Answer:

  1350 square inches

Step-by-step explanation:

The area of the end trapezoid is ...

  A = (1/2)(b1 +b2)h = (1/2)(12 +36)(5) = 120 . . . . . square inches

The perimeter of the end trapezoid is ...

  P = 13 +12 +13 + 3×12 = 74 . . . . inches

so the total area of the rectangular surfaces (including the bottom) is ...

  (74 in)(15 in) = 1110 in²

The total area of the ramp is this rectangular area plus the two trapezoidal ends:

  total area = rectangle area + 2×trapezoid area

  = 1110 in² +2×120 in²

  total area = 1350 square inches

6 0
3 years ago
F(x) = x5 + 5x4 - 5x3 - 25x2 + 4x + 20
Pie

Answer:

-4(5-x)

Step-by-step explanation:

6 0
3 years ago
The time it takes me to wash the dishes is uniformly distributed between 10 minutes and 15 minutes. what is the probability that
Bumek [7]
12 min 12 min 12 min 12 min
3 0
3 years ago
To earn a fitness award, your average heart rate while walking must be between 80 and 89 beats per minute, inclusive. Suppose yo
Anika [276]

Answer:

84

Step-by-step explanation:

hope this helps

5 0
3 years ago
Read 2 more answers
Can somone help me with number 23 and 24
tangare [24]

23.

store price = 14 + 0.5(14)

store price = 21

customer price = 21 + 0.08(21)

customer price = 21 + 1.68

customer price = $22.68

24.

formula: A = P(1 + rt)

A = 140(1 + (0.03)(2))

A = 140(1.06)

A = 148.40

interest = 148.40 = 140

interest = $8.40

Hope this helps!! :)

7 0
3 years ago
Read 2 more answers
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