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3 years ago

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Customer: "A previous representative told me that I would receive a 17% discount on my $123.76 service plan. How much is the dis

count?" Representative: "You will receive a discount of __________

1 answer:

riadik2000 [5.3K]3 years ago

3 0

Final Price: $108.88
Savings: $22.30
You will receive a discount of $22.30

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Using substitution <br> x+3y=3<br> 3y-2x=12

frez [133]

Step-by-step explanation:

<u>Given </u><u>:</u><u>-</u>

x + 3y = 3
3y - 2x = 12

And we need to solve the equation using Substituting method . So on taking the first equation ,

$\rm\implies x + 3y = 3 \\\\\rm\implies x = 3 - 3y$

<u>Put </u><u>this</u><u> </u><u>value</u><u> </u><u>in </u><u>(</u><u>ii)</u><u> </u><u>:</u><u>-</u><u> </u>

$\rm\implies 3y - 2x = 12 \\\\\rm\implies 3y - 2(3-3y)=12\\\\\rm\implies 3y -6-6y = 12 \\\\\rm\implies -3y = 18 \\\\\rm\implies y = -6$

<u>Put </u><u>this</u><u> </u><u>Value</u><u> </u><u>in </u><u>(</u><u>I)</u><u> </u><u>:</u><u>-</u><u> </u>

$\\\\\rm\implies x = 3-3*-6 \\\\\rm\implies x = 3+18 \\\\\rm\implies x = 21$

<u>Hence</u><u> the</u><u> </u><u>Value</u><u> </u><u>of </u><u>x </u><u>is </u><u>2</u><u>1</u><u> </u><u>and </u><u>y </u><u>is </u><u>(</u><u>-</u><u>6</u><u>)</u><u> </u><u>.</u>

4 0

3 years ago

Read 2 more answers

The sum of two nonnegative numbers is 50. What is the maximum value of the product of these two numbers ?

Umnica [9.8K]

Answer:

625

Step-by-step explanation:

Let two number be x and (50-x).

The product of numbers be x(50-x).

P = 50x-x²

For maximizing the product,

$\dfrac{dP}{dx}=0\\\\\dfrac{d}{dx}(50x-x^2)=0\\\\50-2x=0\\\\50=2x\\\\x=25$

So, the maximum product, P = 50(25)-(25)²

P = 625

Hence, the maximum value of the product of these two numbers is 625.

7 0

3 years ago

Please help me asapppp<br><br> ty :)

Norma-Jean [14]

Answer:

The slope of this parallel line is 3.

Step-by-step explanation:

Parallel lines have the same slope. The given line y = 3x - 2 has the slope 3. Therefore the desired parallel line also has the slope 3. This is all that is necessary to answer this question.

The slope of this parallel line is 3.

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3 years ago

What is the answer????

sveta [45]

Answer:

LMN

Step-by-step explanation:

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3 years ago

HELP ME WITH GEOMETRY

n200080 [17]

Answer:

Step-by-step explanation: That is a 90 degree angle. Using L is an example of a 90 degree angle, or a right angle, which is its common name.

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3 years ago