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4 years ago

Simplify the expression 9xy + 6xy − 2xy. What is the coefficient of the simplified expression?

Mathematics

2 answers:

ladessa [460]4 years ago

6 0

9xy + 6xy - 2xy
13xy is the answer. THey are all like terms so just add then subtract.

Art [367]4 years ago

3 0

Hi there!

To find our answer we need to collect the terms of the expression.

$9xy + 6xy - 2xy = \\ 15xy - 2xy = \\ 13xy$

The coefficient (which is the number just before the variable) of the simplified expression is 13.

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A rectangle has vertices at these coordinates.

GalinKa [24]

It would be (4, 5) because add the 2nd and third than you get (4, 5)

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3 years ago

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(5x^+2x-11) - (3x^+8x-7)

omeli [17]

2x^-6x-4 that is the answer

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3 years ago

What is the slope and y-intercept of y=2x-3

Vesnalui [34]

Answer:

slope=2x, y-intercept=-3

Step-by-step explanation:

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3 years ago

Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage r

Jet001 [13]

<h3>Answer: Exponential growth. The growth rate is 6%</h3>

=======================================================

Explanation:

The general form of an exponential function is

y = a*b^x

where 'a' is the initial starting amount and b helps determine if we have exponential decay or exponential growth, and how much of it.

We have a = 330 as the initial amount. Since b = 1.06 is larger than 1, this means we have exponential growth. If 0 < b < 1, then we would have exponential decay.

Solving 1+r = 1.06 leads to r = 0.06 = 6%, showing we have a growth rate of 6%

This means that if we started with say 100 people, and the population grew by 6%, then at the end of the time unit (say 1 year), then we'd have 106 people.

4 0

3 years ago

A mirror should be centered on a wall. The mirror is 36 inches wide and the wall is 18 feet wide. Which equation helps determine

Lera25 [3.4K]

Linear equation is the equation in which the highest power of the unknown variable is always 1.The equation which helps determine the distance x on each side of the mirror is ,

$x+3+x=18$ .

<h3>Given information-</h3>

The length of the mirror is 36 inches.

The length of the wall is 18 feet.

The linear equation has to find out for the distance <em>x.</em>

<em />

<h3>Linear equation-</h3>

Linear equation is the equation in which the highest power of the unknown variable is always 1.

As one feet is equal to the 12 inches. Thus the length $l$ of the mirror in the feet is,

$l=\dfrac{36}{12}$

$l=3$

The mirror is 3 feet wide.

The distance on each side of the mirror is <em>x. </em>This distance is equal at both side as the mirror is centered. The distance on each side of the mirror is,

$=x+x$ .

Now the the wall is 18 feet wide which is equal to the distance each side of the mirror and the distance of the mirror. As the mirror is 3 feet wide. Thus the equation which determine the distance x on each side of the mirror can be given as,

$x+3+x=18$

Hence the equation which helps determine the distance x on each side of the mirror is ,

$x+3+x=18$ .

Learn more about the linear equation here;

brainly.com/question/2263981

7 0

3 years ago