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Mazyrski [523]
3 years ago
14

Subtract the following polynomials. 3.1x + 2.8z 4.3x - 1.2z PLEASE HELP

Mathematics
1 answer:
Assoli18 [71]3 years ago
7 0

Answer:

3.1x+2.8z

3.1 over 10x +14 over 15 z

1 over 10 x (3.1x + 2.8z)

4.3x - 1.2z =

43 over 10x - 6 over 5z

1 over 10 x (43x-12z)

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A Polynomial, p(x), has zeros when x = -2, x = 1/3, X = 3. What could be the equation of p(x)?
DedPeter [7]

Answer:

(x+2)(x-1/3)(x-3)

Step-by-step explanation:

This could be a possible equation, the signs of the of the roots are always the opposite in the equation form.

4 0
3 years ago
Shelby has ten $5 bills and thirteen $10 bills. How much money does Shelby have in all? Giving brainliest
cestrela7 [59]
$180


Shelby has $180 dollars


5x10=50


13x10=130


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$180 hope that helped :]

8 0
2 years ago
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Y = 2x - 3 and x = 7​
zzz [600]

Answer:

y = 11

Step-by-step explanation:

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y = 11

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Find the rate of change (slope) from the table below
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3 0
3 years ago
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Write 11 k-6 (2k+5)in expanded form and find the sum
marshall27 [118]

Answer:

Option B

Step-by-step explanation:

Expression representing the series is,

\sum_{k=6}^{11}(2k+5)

Here, k = Number of terms

By placing k = 6, 7, 8, 9, 10, 11 in the expression we can get the terms of the series.

For k = 6,

(2k + 5) = 2(6) + 5

            = 17

For k = 7,

(2k + 5) = 2(7) + 5

             = 19

For k = 8,

(2k + 5) = 2(8) + 5

            = 21

For k = 9,

(2k + 5) = 2(9) + 5

            = 23

For k = 10,

0(2k + 5) = 2(10) + 5

            = 25

For k = 11,

(2k + 5) = 2(11) + 5

            = 27

Therefore, expanded form will be,

17, 19, 21, 23, 25, 27

There, is a common difference in each successive to previous term,

d = 19 - 17

d = 2

Number of terms 'n' = 6

First term = 17

Sum of an arithmetic sequence is given by,

S=\frac{n}{2}[2a+(n-1)d]

Therefore, sum of the given sequence will be,

S=\frac{6}{2}[2(17)+(6-1)2]

   = 3(34 + 10)

S = 132

Option B will be the correct option.

4 0
3 years ago
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