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Sladkaya [172]
2 years ago
8

Evaluate the polynomial 6x - y, for x = -3 and y = 2.a) -20b) 4c) -16d) 15​

Mathematics
1 answer:
murzikaleks [220]2 years ago
7 0
6x-y

Plug in x and y:

6(-3)-2

-18-2

-20

Your answer is A
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Estimate the decimal expression.<br> 0.62-(-0.51)
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Answer: 1.13

Step-by-step explanation: 0.62-(-0.51) = 1.13

Hope it works

3 0
3 years ago
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For a segment of a radio show, a disc jockey can play 10 records. there are 14 records to select from, in how many ways can the
mixas84 [53]
The formula of combination is 

nCr= \frac{n!}{(n-r)!r!}

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14C10= \frac{14!}{(14-10)!10!} = 1001

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2 years ago
What is the answer to ((1+3+6+9)-10)
Daniel [21]

Hey there! :)

((1 + 3 + 6 + 9)) - 10)

Start in the first set of parenthesis.

(19) - 10)

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9

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6 0
3 years ago
Lucas' mom is eight years older than twice his age. The sum of their ages is 77. How old are Lucas and his mom?
Rudiy27

Answer:

Age of Lucas = 23 years

Age of Lucas Mom = 54 Years

Step-by-step explanation:

In this question we have to find the age of Lucas and his Mom

Let the age of Lucas be x

According to given condition

Twice of his age 2 * x =2x

Eight years older means age + 8x

So

Age of his mom = Twice of his age + 8

                           = 2x + 8               .................(ii)

now according to second condition

Age of Lucas + Age of his mom = 77

Put the values in the condition above

x + (2x + 8) = 77

x + 2x + 8 =77

3x + 8 = 77

subtracting 8 from both sides

3x + 8 - 8 = 77 -8

3x = 69

Dividing both sides by 3

x = 69 / 3

x = 23 years

Age of Lucas = 23 years

Now from equation (i)

Age of Lucas Mom = 2(x) + 8

putting in the value we get

Age of Lucas Mom = 2 ( 23) + 8

                               =46 + 8

                               =54 Years

Age of Lucas Mom = 54 Years

3 0
3 years ago
What is the value of <img src="https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B1331%7D" id="TexFormula1" title="\sqrt[3]{1331}" alt="\s
Umnica [9.8K]

Answer:im not sure i wish i can help but goodluck

Step-by-step explanation:

7 0
3 years ago
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