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sergeinik [125]
3 years ago
11

Zachary used the calculations shown to find how much he would spend on 16 ounces of pistachios. 6 ounces of pistachios cost $7.5

0 mc022-1.jpg Unit price = $0.80 per ounce mc022-2.jpg What was his first error? The price per ounce should have been $45.00 per ounce. The price per ounce should have been $1.25 per ounce. The final cost should have been $20.00. The final cost should have been $16.80.
Mathematics
2 answers:
xxMikexx [17]3 years ago
8 0
The price per ounce should have been 1.25 per ounce

Vlad1618 [11]3 years ago
4 0

Answer: B

Step-by-step explanation: The price per ounce should have been $1.25 per ounce.

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Adrianna is attempting to write an inequality from a graph. She knows that the dash boundary line passes through the points (27,
SVEN [57.7K]

we know the line passes through those points, so let's find the EQUATion of it firstly.


\bf (\stackrel{x_1}{27}~,~\stackrel{y_1}{10})\qquad (\stackrel{x_2}{-45}~,~\stackrel{y_2}{-54}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{-54-10}{-45-27}\implies \cfrac{-64}{-72}\implies \cfrac{8}{9} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-10=\cfrac{8}{9}(x-27) \\\\\\ y-10=\cfrac{8}{9}x-24\implies y=\cfrac{8}{9}x-14


so, that's its EQUATion, now, we know the (0,0) is a solution of this inequality, namely the (0,0) point lies in the "true region" or will be the "shaded region" of the inequality, let's plug those values,


\bf y=\cfrac{8}{9}x-14\implies \stackrel{\textit{using x = 0, y = 0}}{0=\cfrac{8}{9}(0)-14}\implies 0=-14


well, clearly  0 is not equals to -14....  we know 0 is greater, recall for the negative values, the farther from zero the smaller.

we also know that the line is dashed, meaning the borderline values are not included, so is either a > or <, thus since 0 > -14, then

\bf y>\cfrac{8}{9}x-14

8 0
3 years ago
Which of the following best describes the graphs below?​
Evgen [1.6K]

I think the answer is either b or c i am not sure

5 0
4 years ago
Explain this, "Invest what you can afford to lose"​
REY [17]

Answer:

If you lost something that you can't afford to lose, then it would greatly affect you. If you lost something that you can get again, then it wouldn't be as bad but it still would affect you. Say you invested your money into buying 30 stocks, each stock costed 12 dollars, and the next day it went down to 11.5. You only lost 15 dollars total. But if you spent your money on more stocks, you would have lost more money.

3 0
2 years ago
Find the volume of the cylinder. Use 3.14 for π.
GarryVolchara [31]

Answer:

50.24ft^3

Step-by-step explanation:

Volume of a cylinder

= Pi r^2 h

Given

pi = 3.14

Radius r = 2 ft and

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4 0
3 years ago
Read 2 more answers
Hey can you please help me posted picture of question
Debora [2.8K]
We can use quadratic formula to determine the roots of the given quadratic equation.

The quadratic formula is:

x= \frac{-b+- \sqrt{ b^{2} -4ac} }{2a}

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a = coefficient of squared term = 2
c = constant term = 15

Using the values, we get:
x= \frac{11+- \sqrt{121-4(2)(15)} }{2(2)} \\  \\ &#10;x= \frac{11+-1}{4} \\  \\ &#10;x=3, x= 2.5

So, the correct answer to this question are option B and D
4 0
4 years ago
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