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laiz [17]
3 years ago
15

Which of the following statements could be translated to the equation n-5=-2?

Mathematics
1 answer:
Klio2033 [76]3 years ago
8 0

Answer:

The difference between a number and five is negative two.

Step-by-step explanation:

n-5=difference between a number and five

=-2 means is negative two

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How many terms of the arithmetic series 3+9+15.... will add up to 19200?​
Olenka [21]

Answer:

32 005

Step-by-step explanation:

use this formula

Tn = a +(n-1)d

4 0
2 years ago
If your car used 19.2 gallons of gas to go 1293.6 miles, how many miles per gallon (mpg) did the car get?
Anna007 [38]
G=m/x
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m-miles
x-miles per gallon
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5 0
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Show that 2x +1 is a factor of 2x3 +5x2+4x+1 and factories completely
larisa [96]

\text{According to the factor theorem, if f(b) = 0, then x-b is a factor of f(x).}\\\\\text{Given that,}\\\\f(x) = 2x^3 +5x^2 +4x +1 \\\\f\left(-\dfrac 12 \right) = 2\left( - \dfrac 12 \right)^3 +5 \left( - \dfrac 12 \right)^2 +4 \left( - \dfrac 12 \right) +1 \\\\\\~~~~~~~~~~~~=-2 \cdot \dfrac 18 + 5 \cdot \dfrac 14 -2 +1 \\\\\\~~~~~~~~~~~=\dfrac 54 -\dfrac14 -1\\\\\\~~~~~~~~~~~=\dfrac 44 -1 \\\\\\~~~~~~~~~~~=1-1\\\\\\~~~~~~~~~~~=0\\\\\text{So,}~ 2x +1 ~ \text{is a factor of f(x).}

\text{Now,}\\\\f(x) = 2x^3 +5x^2 +4x +1 \\\\~~~~~~=2x^3+x^2 +2x^2 +2x +2x+1\\\\~~~~~~=x^2(2x+1)  +2x(2x+1) +  (2x+1)\\\\~~~~~~=(2x+1)(x^2 +2x +1)\\\\~~~~~~=(2x+1)(x+1)^2

3 0
2 years ago
Which represents the area of the figure?
Ira Lisetskai [31]

Answer:

A

Step-by-step explanation:

The correct option is (A).

5 0
2 years ago
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