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Colt1911 [192]
2 years ago
7

A store is advertising a sale with 15% off all prices in the store. Sales tax is 8%. Which equation will correctly determine the

total cost, C, of buying an item with an original price of p, after the discount and sales tax are included? Select all that apply. A )C= 1.08p - 0.15p
B )C = 1.15p + 0.08p C
C) = 1.08(0.85p)
D)C=0.85p + (0.08)0.85p
E )C-p - 0.15p + 0.08p​
Mathematics
1 answer:
hoa [83]2 years ago
4 0
I think the answer is c beacause you have to multiply to get the answer
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145

Step-by-step explanation:

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Choose the word form of this number. 180,900,236,821
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3 years ago
In triangle ABC, AB = 11 cm, BC = 9 cm and CA = 10 cm.<br> Find the area of triangle ABC.
max2010maxim [7]

Answer:

Area = 42.43 square cm

Step-by-step explanation:

Using Heron's Formula :

 Area = \sqrt{s\times (s-a) \times (s-b) \times(s -c)} \ , \ where  \ s \ =\ \frac{a+ b+ c}{2}

<em><u>Find Area :</u></em>

<em><u></u></em>

s = \frac{11 + 9 + 10 }{2} = \frac{30}{2} = 15

Area = \sqrt{15 \times ( 15 - 11 ) \times { (15 - 9 ) \times ( 15 -10)}\\\\

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7 0
2 years ago
If x^2-x-6 and x^2+3x-18 hacpve a common factor (x-a) then find the value of a.​
DedPeter [7]

Answer:

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Step-by-step explanation:

Factor both expressions

x² - x - 6

Consider the factors of the constant term (- 6) which sum to give the coefficient of the x- term (- 1)

The factors are - 3 and + 2 , since

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-----------------------------------

x² + 3x - 18

consider factors of constant term (- 18) which sum to give the coefficient of the x- term (+ 3)

The factors are + 6 and - 3 , since

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Both expressions have a common factor of (x - 3)

Compare with (x - a ), then a = 3

3 0
2 years ago
Read 2 more answers
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