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Finger [1]
4 years ago
8

Of 10Simplify-2x³ – y – 2z² + 4x³ – 2y + 3z²​

Mathematics
1 answer:
bonufazy [111]4 years ago
5 0

Answer:

2x³ - 3y + z²

Step-by-step explanation:

-2x³ – y – 2z² + 4x³ – 2y + 3z²​     Combine like terms

-2x³ + 4x³ – y – 2y – 2z²  + 3z²​

2x³ - 3y + z²

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2+2+8+9= what please​
Westkost [7]
21 hope it helps.......
6 0
3 years ago
Read 2 more answers
Maxim and Salma were asked to find an explicit formula for the sequence 54,63,72,81,... Maxim said the formula is f(n)=54+9n Sal
Sever21 [200]

ANSWER

The explicit rule is

f(n) = 45+9n

EXPLANATION

The given sequence is :

54,63,72,81,...

The first term of this sequence is

a = 54

The common difference is

d =63 - 54 = 9

The explicit rule is given by:

f(n) = a + d(n - 1)f(n) = 54+9(n -1 )

We expand to get:

f(n) = 54+9n -9

f(n) = 45+9n

None of them is correct .

8 0
4 years ago
Please help me ASAP!!!! :) I’d appreciate it
Amiraneli [1.4K]

Answer:

5×(-4) = -20

(-1) × 4 = -4

Step-by-step explanation:

Here it' sayin when a positive number ( it may be odd or even ) gets multiplied with an even number ( it may be positive or negative ) , the product will be positive number.

5×(-4) = -20 .Here 5 is a positive number & 4 is a negative even number but the product -20 is a negative number. So it contradicts the statement.

(-1) × 4 = -4 . Here -1 is a negative number & 4 is a positive even number but the product -4 is a negative number. So it contradicts the statement.

5 0
3 years ago
Which algebraic expression shows the average melting points of helium, hydrogen, and neon if h represents the melting point of h
LenKa [72]
Average = mean = sum of the values / number of data

Values = h, j, and k

Number of data = 3

Sum of the values = h + j + k

Mean = [h + j + k] / 3

=> Answer: option c. [h+j+k] over 3
4 0
3 years ago
Read 2 more answers
42 miles in kilometres
ruslelena [56]

Answer:

67.59

Step-by-step explanation:

7 0
3 years ago
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