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gregori [183]
3 years ago
14

What is the product of (-2x)(-6x^4)?

Mathematics
1 answer:
yaroslaw [1]3 years ago
3 0

Answer:

12x^5

Step-by-step explanation:

(-2x)(-6x^4)

Multiply the numbers

-2 * -6 = 12

Multiply the variables

x* x^4 = x^5

12x^5

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Determine if the equation y = 2/5 x − 4 y=25x-4 represents a proportional relationship. If so, determine the constant of proport
Vilka [71]

Answer:

The linear equation represents a proportional relationship and its constant of proportionality is k = \frac{2}{5}.

Step-by-step explanation:

A proportional relationship exists when the following relationship is observed:

u = k\cdot v

Where:

u - Dependent variable.

v - Independent variable.

k - Proportionality constant.

If y =\frac{2}{5}\cdot x - 4 and v = x and u = y+4, the following expresion is found:

y = \frac{2}{5}\cdot x -4

y + 4 = \frac{2}{5}\cdot x

u = \frac{2}{5}\cdot v

The linear equation represents a proportional relationship and its constant of proportionality is k = \frac{2}{5}.

8 0
3 years ago
Which term is a term in this expression -3x- 7(x+4)
Over [174]

Answer:

A. -3x  

Step-by-step explanation:

Terms are the parts of an expression that are separated by + or - signs

-3x is a term, because it is separated from the rest of the expression by a - sign.

3 0
3 years ago
∡C and ∡D are supplementary angles. If m∡D is nine less than twice m∡C, find m∡D.
Gala2k [10]

Answer:

D is 117

Step-by-step explanation:

Let the measure of angle C be x

The measure of D is 9 less than twice C

Mathematically that is 2x-9

If both are supplementary, they add up to be 180

Thus;

x + 2x - 9 = 180

3x = 180 + 9

x = 189/3

x = 63

Recall;

D = 2x-9= 2(63) -9 = 126 -9 = 117

6 0
3 years ago
The value of x in the equation
Reika [66]

Answer:

it is 4

Step-by-step explanation:

i know it i had that question

7 0
3 years ago
4) This results when you flip the numerator and denominator of a fraction.
Semenov [28]

Answer:

To divide one fraction by another one, flip numerator and denominator of the second one, and then multiply the two fractions. The flipped-over fraction is called the multiplicative inverse or reciprocal.

Step-by-step explanation:

I got this from google.

3 0
3 years ago
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