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3 years ago

What is a difference of cubes?

Mathematics

1 answer:

Vaselesa [24]3 years ago

5 0

Answer:

See below.

Step-by-step explanation:

The difference of 2 cubes identity is:-

a^3 - b^3 = (a - b)(a^2 + ab + b^2).

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F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? Why or why not?

Dmitriy789 [7]

$(g\cdot f)(x)=\dfrac{1}{x}-4$

$D_{g(f(x))}:x\not =0$

No, since 0 doesn't belong to the domain.

5 0

3 years ago

Is x=5 the solution to the following equation? Show your work with the substitution property

guapka [62]

Answer:

yes

Step-by-step explanation:

2x-4=6

Let x = 5

2*5 - 4 = 6

10 -4 =6

6 = 6

Since this is true, x=5 is a solution to the equation

5 0

3 years ago

Read 2 more answers

What is the value of n?<br> A.81<br> B.85<br> C.38<br> D.47

Liula [17]

Answer:

Step-by-step explanation:

∠ABC= 180° -142° (adj. ∠s on a str. line)

∠ABC= 38°

∠BAC= 180° -133° (adj. ∠s on a str. line)

∠BAC= 47°

∠ACB= 180° -38° -47° (∠ sum of △)

∠ACB= 95°

n°= 180° -95° (adj. ∠s on a str. line)

n°= 85°

n= 85

6 0

2 years ago

Chelsea has an electronics business. during her first year she collected data on different prices that yield different profits.

Ainat [17]

The two black circles represents "The selling prices that produces no profit." If the selling is 10, the profit is 0. If the selling price is 60, the profit is 0.

The selling price that provides the maximum profit is represented by the red dot. It is between the selling price of 30 and 40. Its maximum profit is equal to 12,000.

4 0

2 years ago

Read 2 more answers

Solve y=3x-6 using the slope intercept form

lys-0071 [83]

Answer:

x | y

1 | -3

2 | 0

Step-by-step explanation:

Any line can be graphed using two points. Select two x values, and plug them into the equation to find the corresponding y values.

3 0

3 years ago