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3 years ago

2a2b3 and -4a2b3 are like terms.TrueFalse

1 answer:

8 0

The answer would be true, yes these terms are like terms.

By definition, like terms are any two terms that contain the same variable which are raised to the same power.

Because both terms have two variables, a and b, and the a variable of both are raised to the second power, and the b is raised to the 3rd power, both terms are considered like terms.

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if a store uses a selling price based markup of 40% and an item cost the store $300 what selling price would the store set for t

kirza4 [7]

Answer:

The selling price would be $420.

Step-by-step explanation:

In order to find the mark up, we need to multiply the amount it originally costs by the percentage it is being marked up.

$300 * 40% = $120

Now that we have the mark up amount, we add it to the original cost to get the sale price.

$300 + $120 = $420

6 0

3 years ago

Compare and contrast the absolute value of a real number to that of a complex number

abruzzese [7]

The absolute value of a real number is a positive value of the number. Which means that the absolute value is the distance from zero of the number line. However, that of the complex numbers is the distance from the origin to the point in a complex plane,

4 0

3 years ago

Read 2 more answers

Factors of 130 with an exponent

xz_007 [3.2K]

130 =

2 * 5 * 13

The prime factors are 2, 5, and 13.

No prime factors are used more than once.

The only exponents to write might be the understood 1.

130 = 2^1 * 5^1 * 13^1

4 0

3 years ago

Find average rate of change f(x)=-4x^(2)-3x-4 ; [-1,3]

NeTakaya

The rate of change of the given function at [-1,3] is 5

Further explanation:

Given function is:

$f(x) = 4x^2-3x-4$

And the interval is:

[-1,3]

In order to find the rate of chnage of function the given function's value is calculated at both points and divided by their difference

The formula is:

$Rate\ of\ change= \frac{f(x_2)-f(x_1)}{x_2-x_1}$

Here,

x_1 = -1

x_2 = 3

So,

$f(-1) = 4(-1)^2-3(-1)-4\\=4(1) +3-4\\=4-1\\=3\\f(3) = 4(3)^2-3(3)-4\\= 4(9)-9-4\\=36-13\\=23$

Putting the values in the rate of change formula:

$Rate\ of\ change= \frac{23-3}{3-(-1)}\\= \frac{23-3}{3+1}\\=\frac{20}{4} \\=5$

The rate of change of the given function at [-1,3] is 5

Keywords: Rate of change, functions

Learn more about functions:

#LearnwithBrainly

5 0

3 years ago

A clipboard cost $2.23.It cost $0.58 more than a notebook.Lisa bought two clipboards and one notebook.She paid with a ten dollar

Katen [24]

First you'd subtract .58 from 2.23 to get the price of the notebook.

2.23 - .58 = 1.65

(2.23×2)+1.65= 6.11

Now subtract 6.11 from ten to figure out the change amount.

10 - 6.11 = 3.89

6 0

3 years ago

Read 3 more answers