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BigorU [14]
3 years ago
15

The roman number of 30 is​

Mathematics
1 answer:
padilas [110]3 years ago
6 0

Answer:

XXX

Step-by-step explanation:

10+10+10 if that helps

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The answer to this word problem usinf discriminant
solniwko [45]
\bf h=-9.8t^2+45t+1.2\implies 64.5=-9.8t^2+45t+1.2
\\\\\\
0=-9.8t^2+45t-63.3\\\\
-------------------------------

\bf \qquad \qquad \qquad \textit{discriminant of a quadratic}
\\\\\\
0=\stackrel{\stackrel{a}{\downarrow }}{-9.8}t^2\stackrel{\stackrel{b}{\downarrow }}{+45}t\stackrel{\stackrel{c}{\downarrow }}{-63.3}
~~~~~~
\stackrel{discriminant}{b^2-4ac}=
\begin{cases}
0&\textit{one solution}\\
positive&\textit{two solutions}\\
negative&\textit{no solution}
\end{cases}
\\\\\\
(45)^2-4(-9.8)(-63.3)\implies -456.36

the discriminant is a negative value, thus no solution for such quadratic, meaning if we use h=64.5 like we did, there's no "t" seconds at which point the ball hits the batting cage.
8 0
3 years ago
For each gym memberships sold, the gym keeps $42 and the employee who sold it gets eight dollars. What is the commission of the
LenaWriter [7]

Answer:

i think 7

Step-by-step explanation:

5 0
3 years ago
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How can you divide the pitchers into equal groups? Is there more than one way? Use your results to describe the entire collectio
mina [271]
Mind sharing the information needed to answer the question? Thanks!
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2 years ago
Margaret is saveing money for her sumergido vacation. Se calculates herstarting a Out is 0.4% of her total amount she wants to s
lubasha [3.4K]

Answer: 0.004 (you can ask Siri this question and get the same answer)

6 0
3 years ago
Peter took one of his friends out to lunch. The lunches cost $100 plus he
77julia77 [94]

Answer:

Tax = $12 Tip = $18 Total Cost = $130

Step-by-step explanation:

tax = tax percentage x amount

0.12 x 100 = 12

tip = tip percentage x amount

0.18 x 100 = 18

The Total Cost

total cost = cost + tax + tip

100 + 12 + 18

Add them up and it would be

$130

5 0
3 years ago
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