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amid [387]
3 years ago
15

Classify the number shown as the dot in this diagram.

Mathematics
1 answer:
dedylja [7]3 years ago
8 0

Answer:

Rational, Real

Hope this helps!

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A pet supply store sells a 20-pound bag of dog food $23.44. find the unit price what is the error of 20 divided by 23.44=.85
dimulka [17.4K]
23.44 / 20 = 1.172 rounds to 1.17 per lb <== this is cost per lb...this is telling u how much each lb of dog food costs

20 / 23.44 = 0.85....this is lbs per dollar....this is telling u that u r getting 0.85 lbs for a dollar
4 0
3 years ago
-6+ (-19) =<br> Evaluate
artcher [175]
The answer if you need helo with math like this come to me -25
5 0
2 years ago
How do I graph this?
Natasha_Volkova [10]

Answer:


Step-by-step explanation:

you're going to have a vertical line at -1, and then shade the region to the left. The line should be dashed, not solid.

3 0
3 years ago
How much water should be added to 3 gallons of pure alchohol in order to obtain a solution that is 15% alchohol?
lidiya [134]

say we're going to add "x" gallons of water, now how many gallons of alcohol is in pure water? well 0%, and 0% of "x" is (0/100) * x = 0.

the 3 gallons we know are 100% alcohol, how many gallons of alcohol is in it?  well (100/100) * 3 = 3.

the resulting mix will have x + 3 gallons total and it's going to be 15% alcohol, how many gallons of alcohol is that? (15/100) * (x+3).

now, the amount of alcohol never increased, so the original 3 gallons of only alcohol will remain even after the water has been added, so.

\begin{array}{lcccl} &\stackrel{solution}{quantity}&\stackrel{\textit{\% of }}{amount}&\stackrel{\textit{gallons of }}{amount}\\ \cline{2-4}&\\ \textit{pure water}&x&0.00&0\\ \textit{pure alcohol}&3&1.00&3\\ \cline{2-4}&\\ mixture&x+3&0.15&0.15(x+3) \end{array} \begin{array}{llll} \\[3em] \leftarrow \textit{this amount}\\\\ \leftarrow \textit{must be equal to this one} \end{array} \\\\\\ 3 = 0.15(x+3)\implies 3=0.15x+0.45\implies 2.55=0.15x \\\\\\ \cfrac{2.55}{0.15}=x\implies 17=x

5 0
2 years ago
A ceiling fan manufacturer claims that 89% of homes in the South have ceiling fans. A random sample of 100 Southern homes was su
Semmy [17]

The answer is

C.No, the difference between the sample result and what is expected is not extreme enough.

Also can I get brainliest please

6 0
3 years ago
Read 2 more answers
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