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ohaa [14]
2 years ago
6

Write a real world situation that could be represented by x+20>50

Mathematics
1 answer:
Korolek [52]2 years ago
3 0

Answer:

will have a trillionare by that time

Step-by-step explanation:

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Simplify each only using positive exponents:<br> 2x^-3 • 4x^2<br> 2x^4 • 4x^-3<br> 2x^3y^-3 • 2x
erica [24]
<h2>Answer:</h2>

\frac{2}{x}

\frac{x}{2}

\frac{4x^4}{y^3}

<h2>Step-by-step explanation:</h2>

a. 2x^-3 • 4x^2

To solve this using only positive exponents, follow these steps:

i. Rewrite the expression in a clearer form

2x⁻³ . 4x²

ii. The position of the term with negative exponent is changed from denominator to numerator or numerator to denominator depending on its initial position. If it is at the numerator, it is moved to the denominator. If otherwise it is at the denominator, it is moved to the numerator. When this is done, the negative exponent is changed to positive.

In our case, the first term has a negative exponent and it is at the numerator. We therefore move it to the denominator and change the negative exponent to  positive as follows;

\frac{1}{2x^3} . 4x^2

iii. We then solve the result as follows;

\frac{1}{2x^3} . 4x^2 = \frac{2}{x}

Therefore, 2x⁻³ . 4x² = \frac{2}{x}

b. 2x^4 • 4x^-3

i. Rewrite as follows;

2x⁴ . 4x⁻³

ii. The second term has a negative exponent, therefore swap its position and change the negative exponent to a positive one.

2x^4 . \frac{1}{4x^3}

iii. Now solve by cancelling out common terms in the numerator and denominator. So we have;

\frac{x}{2}

Therefore, 2x⁴ . 4x⁻³ = \frac{x}{2}

c. 2x^3y^-3 • 2x

i. Rewrite as follows;

2x³y⁻³ . 2x

ii. Change position of terms with negative exponents;

2x^3.\frac{1}{y^3} .2x

iii. Now solve;

\frac{4x^4}{y^3}

Therefore, 2x³y⁻³ . 2x = \frac{4x^4}{y^3}

8 0
3 years ago
Find the area of the composite shape. Make sure to show your work.​
earnstyle [38]

Answer:

I'm not sure

Step-by-step explanation:

sorry lol :(

4 0
3 years ago
Chang is 6 inches taller than Nancy.
Nata [24]

n+6=6nStep-by-step explanation:

8 0
2 years ago
The length of a rectangular picture is 6 inches less than twice the width. if the perimeter is 60 inches, find the dimensions of
kotykmax [81]
I think it's like 16 or 10. this is a weird word problem
6 0
3 years ago
Jorge wrote the expression x + x + x + x + 3 to represent the sequence shown in the diagram at right. Does his expression make s
Dominik [7]

Answer:


Step-by-step explanation:

no because x can equal anything. It should at least write down a second number for it to be solved correctly.

4 0
3 years ago
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