Choose the best definition for the following phrase: combining like terms (1 point)

1 answer:

4 0

combining like terms in a polynomial is adding or subtracting together terms that have the same degree in the exponents.

example. 3x^3 + 5x^6 + 2x^3 +7x + 9x^6

= 7x + 5x^3 + 14x^6

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Pls find the surface area for me. I need help ASAP!

melomori [17]

Answer:

About 90.84 in^2

Step-by-step explanation:

The formula for the surface area of a pyramid is

$lw+l\sqrt{\frac{w}{2}^2+h^2}+w\sqrt{\frac{l}{2}^2+h^2}$ , which for this pyramid is equal to about 90.84 in^2. Hope this helps!

3 0

3 years ago

Half is a third of it.what is it?

Sati [7]

Let's call 'it' x. 1/2 is equal to one third of x, so we could say that 1/3x = 1/2

Now we just have a simple equation to solve:

1/3x = 1/2
x = (1/2) / (1/3)

Dividing by a rational number (such as 1/3, which is expressed in fraction form) is the same as multiplying by its reciprocal (the reciprocal of a fraction is itself when the numerator and denominator have been swapped). Therefore

x = (1/2) / (1/3) = (1/2) * 3 = 3/2 = 1.5

To check this answer, test the statement. Half is a third of x, where x=1.5:

1.5 / 3 = 0.5 = 1/2

3 0

3 years ago

Is the function even odd or neither?

Mandarinka [93]

The answer is the first option: Even.

The explanation for this exercise is shown below:

1. By definition, if $f(x)=f(-x)$ the fucntion is even.

2. When the graph is symmetric with respect to the y-axis, it is an even function.

3. As you you can see in the graph attached in the problem, the graph is symmetric about the y-axis. Therefore, you can conclude it is an even function.

5 0

3 years ago

The H.C.F. of 3150 and a number is 42. Which of the following can be the number?

Eduardwww [97]

$2^{2} *3^{2} *5=4*9*5=4*45=180\\2^{2} *3^{2} *5^{2} =4*9*25=36*25=900\\2^{2} *3*7=4*3*7=4*21=84\\2^{2} *3^{2} *7=4*9*7=36*7=252\\$