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Harlamova29_29 [7]

3 years ago

10

A dress that is normally 54 is marked down 20% what is the new price of the dress?

2 answers:

Harman [31]3 years ago

7 0

Answer:$ 43.20

Step-by-step explanation: I think this is right I just worked it out

Delvig [45]3 years ago

5 0

Answer:

$43.20

Step-by-step explanation:

A product that normally cost $54 with a 20% discount will cost you $43.20, and you saved $10.80. You can also calculate how much you save by simply moving the period in 20.00 percent two spaces to the left, and then multiply the result by $54 as it follows: $54 x . 20 = $10.80 savings. Hope this helped!!

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Find two rational expressions a / b and c / d that produce the result x − 1 / x2 when using the following operations. Answers

Mars2501 [29]

Answer:

a) Let $\frac{a}{b}=\frac{-1}{x^2}, \text{ and } \frac{c}{d}=\frac{1}{x}$ .

Observe that

$\frac{a}{b}+\frac{c}{d}=\frac{-1}{x^2}+\frac{1}{x}=\frac{-x+x^2}{x^3}=\frac{x(x-1)}{xx^2}=\frac{x-1}{x^2}$

b)

Let $\frac{a}{b}=\frac{1}{x}, \text{ and } \frac{c}{d}=\frac{1}{x^2}.$

Observe that

$\frac{a}{b}-\frac{c}{d}=\frac{1}{x}-\frac{1}{x^2}=\frac{x^2-x}{x^3}=\frac{x(x-1)}{xx^2}=\frac{x-1}{x^2}$

c)

Let $\frac{a}{b}=\frac{x-1}{x}, \text{ and } \frac{c}{d}=\frac{1}{x}.$

Observe that

$\frac{a}{b}*\frac{c}{d}=\frac{x-1}{x}*\frac{1}{x}=\frac{(x-1)1}{x*x}=\frac{x-1}{x^2}$

d)

Let $\frac{a}{b}=\frac{x-1}{x}, \text{ and } \frac{c}{d}=\frac{x}{1}.$

Observe that

$\frac{a}{b}\div\frac{c}{d}=\frac{x-1}{x}\div\frac{x}{1}=\frac{x-1}{x}*\frac{1}{x}=\frac{x-1}{x^2}$

3 0

2 years ago

Apply the Distributive property:<br><img src="https://tex.z-dn.net/?f=%20%5Cboxed%7B%5Csf%203%28x-4%29%3D2%28-2x%2B1%29%20%7D" i

jenyasd209 [6]

Answer:

x = 2

Step-by-step explanation:

The left side would be (3x - 12)
The right side would be (-4x+2)

In an equation, 3x - 12 = -4x+2

Combine all the letters on the left and plain numbers on the right,

3x + 4x = 12 + 2

Note: When you transfer to the other side of the equal sign, the number will change its sign.

Simplify the 3x + 4x = 12 + 2,

7x = 14

$x=\frac{14}{7}$

x = 2

5 0

1 year ago

Read 2 more answers

What number is the square root of 13 between

Semmy [17]

Answer:

D

Step-by-step explanation:

3:

12

4:

16

Therefore 13 is in between 12 and 16

8 0

2 years ago

Im trying to figure out how to find the length of an equilateral triangle

gulaghasi [49]

All 3 sides of an equilateral triangle are the same.

Set up an equation with two sides equaling each other and solve for n:

2n +15/4 = 7n

Subtract 2n from both sides:

15/4 = 5n

Divide both sides by 5:

n = (15/4) / 5

n = 3/4

Now you have a value for n, replace n and solve for the length:

7n = 7(3/4) = 21/4 = 5 1/4

Each side is 5 1/4

7 0

3 years ago

Weite the number names <br> 31,19,624<br> 4,06,85,012<br> 6,500,000<br> 25,430,756

borishaifa [10]

Answer:

Thirty-one million, six hundred and twenty-four

Four billion, six million, eighty-five thousand, and twelve

six million five hundred thousad

twenty-five million, four hundred and thirty thousand and seven hundred and fifty-six

Step-by-step explanation:

6 0

2 years ago