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mylen [45]
2 years ago
10

José’s mother is trying to decide whether or not she should buy a 12-ounce package of coffee on sale for $7.50. She knows that s

he can buy the same coffee for $9.00 per pound. Which is the better buy?
Mathematics
1 answer:
Leya [2.2K]2 years ago
8 0
She should chose the $9 because it is cheaper ;)
You might be interested in
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B5%7D%20%20-%203" id="TexFormula1" title=" \frac{1}{5} - 3" alt=" \frac{1}
denis-greek [22]
-14/5 , -2.8 and yeah
3 0
3 years ago
The equation 2x + 4k − 9 = kx − k + 1 is really a family of equations, because for each value of k, we get a different equation
Olegator [25]
You haven't shared "the given value of x," or, if you have, you haven't drawn attention to it.

Just suppose we were to choose x = 4 as a possible solution and then try to find a value of the parameter k that would make x = 4 an actual solution.

2(4) + 4k - 9 = (4)(4) - (4) + 1

Then 8 + 4k - 9 = 16 - 4 + 1, or       4k - 1 = 13.  Then 4k = 14, and k = 14/4, or (after reduction)  k = 7/2   

If the parameter k equals 7/2, then x = 4 is a solution to the given equation.

To check this out further, start with the proposed solution x = 5 and find k.
3 0
3 years ago
Round the answer to the nearest hundredth.
aniked [119]
Answer is 5.85 see picture

5 0
2 years ago
A shop uses cone-shaped coffee filters in its coffee pots. Each filter has a diameter of 5 inches and a height of 4 inches. What
KengaRu [80]

Answer:

26.2 inches cubed

Step-by-step explanation:

The volume of a cone is denoted by: V=\frac{1}{3} \pi r^2h, where r is the radius and h is the height.

Here, we are given that the diameter is 5. Remember that the radius is simply 1/2 the diameter, so the radius is r = 5/2 = 2.5. We are also given that the height is h = 4. Plug these into the equation:

V=\frac{1}{3} \pi r^2h

V=\frac{1}{3} *3.14* (2.5^2)*4 ≈ 26.2

Thus, the volume is about 26.2 inches cubed.

Hope this helps!

5 0
3 years ago
A farmer has a tractor with a length of 25 ft. If his grandson has a 1:8 scale replica pedal tractor, what is the length of the
Andrei [34K]

The length of the toy tractor is 3.125ft

Data Given;

  • length = 25ft
  • ratio = 1:8

To solve this question, we need to find the length of the tractor using ratios.

<h3>What is Ratio</h3>

This is the proportion of a substance to the entire value of that substance.

If the length of the tractor is 25 ft, then the length of the toy tractor can be found when we divide 25 by 8.

l = 25/8 = 3.125ft

The length of the toy tractor is 3.125ft.

Learn more on ratio here;

brainly.com/question/1781657

5 0
2 years ago
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