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Citrus2011 [14]
3 years ago
10

Why is it necessary to round your answer in part (a) to the nearest integer?

Mathematics
1 answer:
svetlana [45]3 years ago
7 0
Can you tell me what the question for part a is?
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An electronic device that previously sold for $21.00 has been reduced to $17.43. The price reduction, rounded to the near east w
svet-max [94.6K]

The percentage of reduction is 17%

<u>Explanation:</u>

Original price = $21

Reduced price = $17.43

Percentage of reduction = ?

Difference in price = $21 - $17.43

                               = $3.57

Percentage of reduction = \frac{difference}{original} X 100

                                         = \frac{3.57}{21} X 100\\\\= 17

Therefore, percentage of reduction is 17%

7 0
3 years ago
How many 1/4 cup servings are in 2/3 cup of ice cream
Marina CMI [18]

Answer:

tbh i think u just add 1/4+2/3 so yw

Step-by-step explanation:

hope it helped

8 0
3 years ago
How many counting numbers have three distinct nonzero digits such that the sum of the three digits is 7?​
SOVA2 [1]

Answer:

6

Step-by-step explanation:

You have 2 conditions.

1. The digits must be different.

2. The digits must add to 7.

There aren't very many

124

142

214

241

412

421

That's it. That's your answer. There are 6 of them

7 0
3 years ago
What is the distance between z 1 = 2 + 9i and z 2 = 2 - 4i?
Lapatulllka [165]
Distance formula: SR (A^2+B^2)
SR [(2+9i)^2 + (2-4i)^2] =
SR [4 + 18i + 81i^2 + 4 - 8i + 16i^2] =
SR [8 + 10i + 97i^2]
6 0
3 years ago
What property is used in the second step of solving the inequality below?
Mkey [24]

Answer: The correct option is, (B) Addition property

Step-by-step explanation:

  • Addition property : In this property, whatever is added to one side of the equal sign must be added to the other side.

        For example : If x = y then x + z = y + z

  • Multiplication property : In this property, whatever is multiplied to one side of the equal sign must be multiplied to the other side.

        For example : If x = y then x × z = y × z

  • Transitive property : If one value (x) is equal to the another value (y), which is equal to the another value (z), then the first value (x) is equal to the third value (z).

        For example : If x = y and y = z then x = z

The given inequality expression is,

5x - 9 < 91

5x -9 + 9 < 91 + 9

(Using Addition property because we are adding 9 on both the side)

5x < 100

5x ÷ 5 < 100 ÷ 5

(Using Division property because we are dividing by 5 on both the side)

x < 20

Therefore, addition property is used in the second step of solving the inequality.

6 0
3 years ago
Read 2 more answers
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