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ArbitrLikvidat [17]
3 years ago
15

Add the polynomial below. (-12.7z³ - 14z) + (-8.9z³ + 12z + 2)

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
8 0

Answer:

-21.6 z^3 - 2 z + 2

Step-by-step explanation:

(-12.7z³ - 14z) + (-8.9z³ + 12z + 2)

I like to line them up vertically

  (-12.7z³ - 14z)

+ (-8.9z³ + 12z + 2)

---------------------------------

-21.6 z^3 - 2 z + 2

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Two numbers total 10, and there difference is 12. Find a smaller of the two numbers.
Olenka [21]

Answer:

There doesn't seem to be numbers to answer that, do you have the question right? If it was a difference of 18, for example, the numbers would be 64 and 36.

Step-by-step explanation:

Find 2 numbers that added together, equal 10.

91

82

73

64

55

46

37

28

19

Then subtract them by their opposites. Find the numbers with the difference of 12.

91 - 19 = 72

82 -  28 = 54

73 - 37 = 36

64 - 46 = 18

55 - 55 = 0

46 - 64 = -18

37 - 73 = -36

28 - 82 = -54

19 - 91 = -72

There is no numbers with the difference of 12.

If it was a difference of 18, for example, the numbers would be 64 and 36.

7 0
3 years ago
girtue goes to the store and buys a rusy car for $55. the store has a sales tax of 5.5% how much will gertue have to pay
galina1969 [7]

Answer:

58.03

Step-by-step explanation:

What I did first to make it easier was make 5.5 to .055 and when you multiply those two together you get 3.025 which if you round it up becomes 3.03 and when you add 55 you get 58.03

5 0
3 years ago
What is a decimal that is equivalent to the expression (2 x 100) + (8 x 10) + (5 x 1) + (6 x 0.01) + (3 x 0.001).
Lana71 [14]

Answer:

285.061

Step-by-step explanation:

5 0
3 years ago
How do I solve this
IgorLugansk [536]

Answer:

divide

Step-by-step explanation:


7 0
3 years ago
Your fixed expenses are $1,151.65/month. You saved 4 months' worth in an emergency fund, investing 25% in a savings account at a
dimulka [17.4K]

The correct answer is in fact $30.67

6 0
3 years ago
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