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Crazy boy [7]
3 years ago
9

given that

0%7D%20%20calculate%20%5Csqrt%7B250%7D%20-%5Csqrt%7B490%7D" id="TexFormula1" title="\sqrt{250} =5\sqrt{10} and \sqrt{490} = 7\sqrt{10} calculate \sqrt{250} -\sqrt{490}" alt="\sqrt{250} =5\sqrt{10} and \sqrt{490} = 7\sqrt{10} calculate \sqrt{250} -\sqrt{490}" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Oksanka [162]3 years ago
3 0

Answer:

√250 - √490

= 5√10 - 7√10

= -2√10

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Answer:

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If 14 g of a radioactive substance are present initially and 3 yr later only 7 g​ remain, how much of the substance will be pres
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3 0
3 years ago
Will mark brainlist if its right
pickupchik [31]

Answer: S<\-2

Hope i was some help.

Step-by-step explanation: sorry I can’t put the right sign my keybored won’t let me but you know what it stands for.

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start off with -5(s+2) you multiply -5 with s and it is -5s then you do the same for +2 take -5 and multiply by +2 pos times a neg is always a neg so it’s -10.

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Now you have to divide!

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3 0
3 years ago
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It could also be written:
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