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ollegr [7]
3 years ago
7

your restaurant bill subtotal was $85. With a sales tax rate of 7.5%, and tip rate of 18%. How much was the tax and tip? please

explain
Mathematics
2 answers:
choli [55]3 years ago
7 0

adults 232

children 203

Arada [10]3 years ago
3 0

Bills is 85

tax is 7.5% or 0.075 as a decimal.  

so tax is 85 x 0.075 = 6.38

tip is 18% of 0.18 as a decimal

so tip is 85 x 0.18 = 15.3

to tip and tax is

6.38 + 15.3  = 21.68

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iogann1982 [59]

Answer:

32.7, 40.29, 40.3, 43.43

Step-by-step explanation:

Hope this helps =)

Correct me if I am wrong

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Find the x- and y-intercept of, y = 1/2x - 7
Arturiano [62]
Y-intercept is (0,-7) x-intercept is (14,0)
7 0
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Somebody please help!!!!!!!!
Jlenok [28]

Answer:

I think the answer is b^2=8^2-4^2

Step-by-step explanation:

The equation is A^2+B^2=C^2

C^2-A^2=B^2

C^2-B^2=A^2

C is the hypotenuse. You know what a is and all you have to do is show the equation

3 0
3 years ago
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one end of a tent is a triangle. the height of the triangle is 1.5 m and the base is 2.5 m. what is the area of the triangle?​
Anarel [89]

Answer:

1.5×2.5/2=1.875.

Step-by-step explanation:

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3 0
1 year ago
Solve this please .......​
nikdorinn [45]

Answer:

The sum of reciprocals is 2/3.

You don't need complex numbers to solve this, but if you try to find a and b you will need complex numbers.

Step-by-step explanation:

a+b = 2

a*b = 3

1/a + 1/b = x

(a*b)*(1/a + 1/b) = (a*b)x

b + a = (a*b)(x)

2 = 3x

x = 2/3

b = 2 - a

a*(2 - a) = 3

-a^2 + 2a = 3

-a^2 + 2a - 3 = 0

a^2 - 2a + 3 = 0

let's solve the quadratic equation

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(a - 1)^2 = -2

a_1 - 1 = \sqrt{2}i\\a_1 = 1+\sqrt{2}i\\\\a_2 - 1 = -\sqrt{2}i\\a_2 = 1 - \sqrt{2}i\\

these options correspond to a and b from the original question.

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2 years ago
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