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Lesechka [4]
2 years ago
11

the price of an item originally priced at $24 was increased by 15%. what percentage decrease will restore it to its original pri

ce?
Mathematics
1 answer:
konstantin123 [22]2 years ago
7 0

Answer:

$20.40

Step-by-step explanation:

First of all we find the value of 10%, so we do 24 ÷ 10 which equals to 2.4, then we find the halved value of 2.4, so we do 2.4 ÷ 2 which equals to 1.2. Then we add 2.4 and 1.2 together, which then gives us 3.6 as the number. We then subtract 3.6 from 24 which gives us 20.4, but we need in money terms so we change it to $20.40. Hope this helps.

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Solve the equation 4x-2(x+3)=8
sammy [17]

Answer:

4x-2x-6=8

2x-6=8

2x=8+6

2x=14

x= 14/2

x= 7

3 0
3 years ago
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Mhanifa can you please help! I really need it and I don’t want random answers. I will mark brainliest! Thanks!
exis [7]

Answer:

<h3>Q1</h3>

<u>Use slope formula</u>

  • m = (y2 - y1)/(x2 - x1)
  • m = (-2 - 6)/(3 - 7) = -8 / -4 = 2
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<h3>Q2</h3>

Angles 2 and 6 are on the corresponding sides of the parallel lines, hence are corresponding angle

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<h3>Q3</h3>

Congruent triangles have congruent corresponding parts

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<u>Correct choice is</u>

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<h3>Q4</h3>

Option b is correct for any line and doesn't make the lines parallel. The rest of the options are correct for parallel lines.

<u>Correct option is the last one:</u>

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3 0
3 years ago
Simplify the square root of 3 times the fifth root of 3.
bogdanovich [222]

Answer:

<h2><em>Three to the three fifths power.</em></h2>

Step-by-step explanation:

The given expression is

\sqrt{3\sqrt[5]{3} }

To simplify this expression, we have to use a specific power property which allow us to transform a root into a power with a fractional exponent, the property states:

\sqrt[n]{x^{m}}=x^{\frac{m}{n}}

Applying the property, we have:

\sqrt{3\sqrt[5]{3}}=\sqrt{3(3)^{\frac{1}{5}}}=(3(3)^{\frac{1}{5}})^{\frac{1}{2}}

Now, we multiply exponents:

(3(3)^{\frac{1}{5}})^{\frac{1}{2}}\\3^{\frac{1}{2}}3^{\frac{1}{10}}

Then, we sum exponents to get the simplest form:

3^{\frac{1}{2}}3^{\frac{1}{10}}=3^{\frac{1}{2}+\frac{1}{10}} =3^{\frac{10+2}{20}}=3^{\frac{12}{20}}  \\\therefore \sqrt{3\sqrt[5]{3}}=3^{\frac{3}{5} }

Therefore, the right answer is <em>three to the three fifths power.</em>

3 0
3 years ago
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Naddik [55]

Answer:

85 units^2 = Area of Blue Square

and

x = 5 units

Step-by-step explanation:

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Answer:

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2. y=-2x+1

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4. y=0x+4

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