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Gnom [1K]
3 years ago
9

Does evaluating an expression mean solving it?

Mathematics
1 answer:
masya89 [10]3 years ago
4 0
Yes, it does! evaluating and solving an expression are the same thing!
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Distributive property of 18+24
Stolb23 [73]

Distributive property: <em>a(b + c) = ab + ac</em>.

We have 18 + 24

18 = 6 · 3

24 = 6 · 4

Therefore

18 + 24 = 6 · 3 + 6 · 4 = 6 · (3 + 4)

<h3>Answer: 18 + 24 = 6 · (3 + 4)</h3>
3 0
3 years ago
Which of the following is a difference of cubes? x^6 + 27y^9 3x^9 - 64y^3 27x^{15} - 9y^3 125x^{21} - 64y^3
astraxan [27]

Answer:

  • D) 125x²¹- 64y³  

Step-by-step explanation:

  • A) x⁶ + 27y⁹ = (x²)³ + (3y³)³  - sum of cubes
  • B) 3x⁹ - 64y³ - the first term is not a cube
  • C) 27x¹⁵ - 9y³ - the second term is not a cube
  • D) 125x²¹- 64y³ = (5x⁷)³ - (4y)³ - difference of cubes

Correct option is the last one

7 0
3 years ago
Read 2 more answers
Im giving out brainlys to whoever answers ty!
Katarina [22]

Answer:

77°F

Step-by-step explanation:

Just plug in 25 into the C variable and you get your answer.

4 0
2 years ago
Read 2 more answers
Tom has a collection of 30 CDs and Nita has a collection of 18 CDs. Tom is adding 1 CD a month to his collection while Nita is a
GrogVix [38]
30:18,
31:23
32:28
33:33
It will be three months before they have the same amount of CDs
6 0
3 years ago
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The price of an item has increased 15% since last year. However, a person can buy the item for a 25% employee discount. The empl
ANEK [815]

Answer: $200

Explanation:

The employee pays $172.50 and he got 25% employee discount.

If the cost is $100, he pays $(100 - 25) = $75.

So, employee pays =  

100

75

⋅

172.50

= $230.00.

Again, price was increased by 15% last year. So whose cost is $100

is sold by $(100+15) = $115.

When sell price is $115, then cost price is $100. Then,

when sell price is $230, then cost price is  

100

115

⋅

230

= $200.

5 0
3 years ago
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