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Oduvanchick [21]
3 years ago
7

The price of a set of airpods is 139 plus 8 sales tax what is the sales tax on this set of headphones in dollars and cents

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
8 0

Answer:

1.39 times 8

so the answer is 10.32

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If one container holds 55 balls, how many balls will nine containers hold? A. 395 B. 495 C. 455 D. 355
Anna35 [415]
<span>Simply multiply the number of balls that can fit in a single container by the total number of containers available. In our case, 55 (balls per container) * 9 (total number of containers) = 495. So the answer is B.</span>
6 0
3 years ago
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Which of the following statements best describes theorems
insens350 [35]

Answer:

The answer to your question is the first option.

Step-by-step explanation:

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3 years ago
2.Solve the following quadratic equations<br> i. 9x^2 - 1/16<br> ii. 2h^2 - 3h - 27
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i)~9x^2-\dfrac{1}{16}=0\iff9x^2=\dfrac{1}{16}\iff x^2=\dfrac{1}{9\cdot16}\iff \\\\x^2=\dfrac{1}{144}\iff x=\pm\sqrt{\dfrac{1}{144}}=\pm\dfrac{1}{12}\Longrightarrow\boxed{x=\pm\dfrac{1}{12}}


ii)~2h^2-3h-27=0\\\\\Delta=b^2-4ac\to \Delta=(-3)^2-4\cdot2\cdot(-27)\to\Delta=9+216=225\\\\&#10;\Longrightarrow h=\dfrac{-b\pm\sqrt{\Delta}}{2a}=\dfrac{-(-3)\pm\sqrt{225}}{2\cdot2}=\dfrac{3\pm15}{4}\\\\\begin{cases}h_1=\dfrac{3+15}{4}=\dfrac{18}{4}\iff \boxed{h_1=\dfrac{9}{2}}\\h_2=\dfrac{3-15}{4}=\dfrac{-12}{4}\iff\boxed{h_2=-3}\end{cases}

4 0
3 years ago
Andrea is selling candles as a fundraiser. she spent $50 on supplies for making the candles. she plans to sell the candles for $
Luda [366]
In order for Andrea to make profit, the value of the C in the given function must not be 0 or less than zero. So, let's find the value of x when C is zero.

C = 0 = 10x - 50
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Hence, the number of candles sold represented by x must be more than 5 (< 5). Therefore, the domain is (5,+∞). When the value of x is more than 5, the C or the range would be greater than 0. Thus, the range is (0,+∞).
8 0
3 years ago
7/9 ÷ 3/9 = ????????
Gennadij [26K]

7/9 ÷ 3/9 =

= (7•9)/( 3•9)

= 63/27 = 7/3

Answer is 7/3

6 0
1 year ago
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