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3 years ago

$35.99 with a 5% sales tax

Mathematics

2 answers:

OLga [1]3 years ago

7 0

The price in total would be $38

jolli1 [7]3 years ago

6 0

1.80 I think. It's actually 1.7995 but in money we round so it's 1.80

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Rewrite the expression by using symbols 7(x - 20)

Lelechka [254]

7 × x - 7 × 20

You could rewrite it this way, 7 x (x-20), but the answer above is better 'cause it takes away the grouping symbols

5 0

3 years ago

a rectangle has a length of x3y4 inches and a width of xy7 inches . Which expression represents the ratio of the length of the r

Oxana [17]

Answer:

A. x²/y³

Step-by-step explanation:

Given the following data;

Length = x³y⁴

Width = $xy^{7}$

Ratio = length/width

$Ratio = \frac{x^{3}y^{4}}{xy{^7}}$

Simplifying the equation by applying the law of indices (division), we have;

$\frac{x^{3}}{x} = x^{3} - x^{1} = x^{3-1} = x^{2}$

$\frac{y^{4}}{y^{7}} = y^{4} - y^{7} = y^{4-7} = y^{-3}$

Hence, rearranging the above values;

$Ratio = \frac{x^{2}}{y^{3}}$

<em>Therefore, the expression that represents the ratio of the length of the rectangle to the width of the rectangle is A. x²/y³. </em>

4 0

3 years ago

Which equation represents a circle whose center is located at (- 6, 2) and whose radius is sqrt(10) units?

azamat

Answer:

${(x + 6)}^{2} + {(y - 2)}^{2}=10$

Step-by-step explanation:

The equation of a circle with center (a,b) and radius r, is

${(x - a)}^{2} + {(y - b)}^{2} = {r}^{2}$

From the question, the center of the circle is located at (-6,2) and the radius is

$r = \sqrt{10}$

We substitute the center and radius to get:

${(x - - 6)}^{2} + {(y - 2)}^{2} = {( \sqrt{10} })^{2}$

Simplify to obtain:

${(x + 6)}^{2} + {(y - 2)}^{2}=10$

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3 years ago

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patriot [66]

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3 years ago

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klasskru [66]

Answer:

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Step-by-step explanation:

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3 years ago