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3 years ago

A meal that cost $50 had a 20% tip and 5% sales tax. How could you calculate your final total bill?

Mathematics

1 answer:

lilavasa [31]3 years ago

5 0

Answer:

$57.50

Step-by-step explanation:

find 10% of 50 first, which is 5, because 5 × 10 = 50, then add $10 to the $50 beacause 50 × 0.2 = 10, next, remove 5%, to do this divide 10% by 2 to get $2.50, 60 - 2.5 = 57.5

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Please explain how this digraph works.

dusya [7]

Angles XQL and MQR are congruent because they are vertical angles. So

209 - 13 b = 146 - 4 b

Solve for b :

209 - 13 b = 146 - 4 b

209 - 146 = 13 b - 4 b

63 = 9 b

b = 63/9 = 7

Then the measure of angle XQL is

(209 - 13*7)º = 118º

3 0

3 years ago

Use the number line to find the difference of 3 - (-1.5)

ololo11 [35]

your answer is 4.5 you're welcome :-)

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2 years ago

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Determine the equation for the quadratic relationship graphed below.

kap26 [50]

Answer:

$\large \boxed{\sf \bf \ \ y=3x^2-6x-1 \ \ }$

Step-by-step explanation:

Hello, please consider the following.

We can read from the graph that the vertex is (1,-4) , it means that the equation is, a being a real number.

$y=a(x-1)^2-4$

And the point (0,-1) is on the graph so we can write.

$a\cdot 1^2-4=-1 \\\\a-4+4=-1+4\\\\a = 3$

So the equation is.

$y=3(x-1)^2-4\\\\=3(x^2-2x+1)-4\\\\=3x^2-6x+3-4\\\\=3x^2-6x-1\\\\=\boxed{3}x^2\boxed{-6}x\boxed{-1}$

Hope this helps.

Do not hesitate if you need further explanation.

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3 years ago

The area of inner total surface of acubical water tank is 54m². How m3 many of water does it hold?

klio [65]

Answer:

Step-by-step explanation:

54m² - 54m² = 0

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1 year ago

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exis [7]

Answer:

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Step-by-step explanation:

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2 years ago

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