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BigorU [14]
3 years ago
12

Increase £420 by 12%

Mathematics
1 answer:
bekas [8.4K]3 years ago
7 0

Answer:

£470.4

Step-by-step explanation:

420 x 1.12 (1.12 because you are adding 1.12 to 420

470.4

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(01.02 HC)
Phoenix [80]

By applying <em>radical</em>, <em>power</em> and <em>rational</em> properties we have the following results after simplifying expressions:

  1. x^{\frac{3}{4} }
  2. x
  3. x^{\frac{11}{10} }
  4. x

<h3>How to reduce radical and rational expressions into a single power expression with rational exponent</h3>

In this question we need to simplify four given expressions by using the following <em>radical</em> and <em>power</em> properties:

  1. \sqrt[n]{x} = x^{\frac{1}{n} }     (1)
  2. x^{m+n} = x^{m}\cdot x^{n}     (2)
  3. x^{m-n} = \frac{x^{m}}{x^{n}}     (3)
  4. (x^{m})^{n} = x^{m\cdot n}     (4)

Now we proceed to simplify each of the four expressions:

  1. \sqrt[4]{x^{3}} = x^{3/4}
  2. \frac{1}{x^{-1}} = (x^{-1})^{-1} = x
  3. \sqrt[10]{x^{5}\cdot x^{4}\cdot x^{2}} = \sqrt[10]{x^{11}} = x^{\frac{11}{10} }
  4. x^{\frac{1}{3} }\cdot x^{\frac{1}{3} }\cdot x^{\frac{1}{3} } = x

To learn more on power functions: brainly.com/question/18719083

#SPJ1

3 0
3 years ago
Can somebody help???
ohaa [14]

Answer:

5^{10} = 9765625

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
What percent of the muffins were carrots
Readme [11.4K]

Answer:

0%

Step-by-step explanation:

Muffins aren't carrots, unless they are carrot muffins.

6 0
3 years ago
What is the domain for y=7^x​
torisob [31]

Answer:

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined. The range is the set of all valid y values. Use the graph to find the range.

Step-by-step explanation:

Explanation: y=7 is a straight line with zero slope and y-intercept 7 as shown below. Hence its domain (all allowed x-values) is all real numbers, and its range (all allowed y-values) is only 7.

<em>I hope this helped~ <3</em>

<em>-Dream</em>

7 0
3 years ago
Read 2 more answers
A rock has a height of 4 cm, a length of 5 cm, and a width of 2 cm. What is the volume of the rock?
Diano4ka-milaya [45]

Answer:

None of the above

Step-by-step explanation:

The general equation for volume is length times hight times width, so the volume should be 40cm.

5 0
3 years ago
Read 2 more answers
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