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emmasim [6.3K]
3 years ago
15

A clothing store paid $18 for a pair of jeans. They mark up the jeans by 60% to sell in the store. If sales tax is 5%, how much

will a customer pay for the pair of jeans in total
Mathematics
1 answer:
bearhunter [10]3 years ago
5 0

$9.9

im not that sure ...

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Write the integer for 3 feet below sea level
Damm [24]
The answer is 3 because 3 feet below sea level is -3 and the integer for -3 is 3 
-hope this helped- 
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Help Me anybody teacher highschool student college professer anyone just help please!
VladimirAG [237]
0.312 average

(312/1000)/8
39/125
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Use distributive property to write in expanded form 3(6+7)=
Kisachek [45]

Expanded form of 3( 6 + 7) is 3 \times 10+9 \times 1

<h3><u>Solution:</u></h3>

Need to use distributive property to write the expanded form of 3(6 + 7)

Let’s understand what is distributive property.

The distributive property states that multiplying a sum by a number gives the same result as multiplying each addend by the number and then adding the products together.

According to distributive property, for numbers a , b and c

a(b+c)=a \times b+b \times c  ----- eqn 1

3(6 + 7) can be rewritten as 3 ( 6 + 4 + 3 ) = 3 ( 10 + 3 )

Now in our case a = 3 , b = 10 and  c = 3  

On substituting the values of a , b and c in equation 1 we get

3(10+3)=3 \times 10+3 \times 3=3 \times 10+9 \times 1

So expanded form of 3( 6 + 7) is 3 \times 10+9 \times 1

7 0
4 years ago
Use implicit differentiation to find an equation of the tangent line to the curve at the given point. x2 + 6xy + 12y2 = 28, (2,
navik [9.2K]

Answer:

The equation of the tangent line is y = -\frac{5}{18}\cdot x +\frac{14}{9}.

Step-by-step explanation:

Firstly, we obtain the equation for the slope of the tangent line by implicit differentiation:

2\cdot x + 6\cdot y + 6\cdot x \cdot y' + 24\cdot y \cdot y' = 0

2\cdot (x + 3\cdot y) + 6\cdot (x + 4\cdot y) \cdot y' = 0

6\cdot (x + 4\cdot y) \cdot y' = -2\cdot (x+3\cdot y)

y' = -\frac{1}{3}\cdot \left(\frac{x + 3\cdot y}{x + 4\cdot y} \right) (1)

If we know that (x,y) = (2, 1), then the slope of the tangent line is:

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By definition of tangent line, we determine the intercept of the line (b):

y = m\cdot x + b

b = y - m\cdot x (2)

If we know that (x,y) = (2,1) and m = -\frac{5}{18}, then the intercept of the tangent line is:

b = 1 - \left(-\frac{5}{18} \right)\cdot (2)

b = \frac{14}{9}

The equation of the tangent line is y = -\frac{5}{18}\cdot x +\frac{14}{9}.

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sveta [45]

Answer:

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