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Nina [5.8K]
2 years ago
12

Súčin rokov troch súrodencov je 385. Napíšte súčet ich rokov, ak počet rokov každého z nich je prvočíslo

Mathematics
1 answer:
valkas [14]2 years ago
4 0

Answer:

i don't understand

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Ted has $3.90. He has only dimes and quarters. He has 27 coins altogether. How many of each does he have
mestny [16]

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Step-by-step explanation:

we already know 8+19=27, if 4 quarters equals a dollar then you use 4 quarters each to create 2 dollars.

then, use 10 dimes to create another dollar summing it up to $3. now all we have to do is make 90 cents, and we've already used 18 coins.

if we used another 9 dimes, that would equal 90 cents.

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3 years ago
What can equal 628 by multiplying? These things can be soooo challenging these days.
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5 0
3 years ago
12351 rounded to the nearest hundred explain how you rounded
Nataly_w [17]
\bf 12,\underline{351}\impliedby \textit{3 hundreds, and 51 units, let's round that}
\\\\\\
\begin{array}{llll}
300----- 50-----400\\
\qquad \qquad \uparrow\qquad \qquad \qquad \uparrow  \\

\begin{array}{llll}
anything\ here\\
rounds\ up\ to\\
300
\end{array}\quad
\begin{array}{llll}
anything\ here\\
rounds\ up\ to\\
400
\end{array}
\end{array}
\\\\\\
\textit{therefore, the hundreds value of 300, the 51 tips it over to 400}
\\\\\\
12,\underline{400}
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3 years ago
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A plane is taking off from Bangladesh headed to
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4800 miles

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