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Andrei [34K]
3 years ago
5

It’s simple I swear!!! what is the square root of 25 times the square root of 9

Mathematics
2 answers:
goldenfox [79]3 years ago
6 0

Answer:

15

Step-by-step explanation:

1st multiply the numbers: 25 × 9 = 225

2nd factor the number: 225 = √15^2

3rd apply radical rule: √15^2 = 15

Hope I helped :)

Lyrx [107]3 years ago
6 0

Answer:25 square root of 9

=25^9

Step-by-step explanation: if its a graph go to wolfram to see it because i cant draw it .

I hope I helps you.

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At a bake sale, as student spent $11.00 buying 3 brownies and 5 cookies. His friend spent $3.95 buying 1 brownie and 2 cookies.
riadik2000 [5.3K]

Answer:

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Step-by-step explanation:

Let b = the cost of one brownie, c = cost of one cookie

3b + 5c = 11

b+2c = 3.95

Times 3 on both sides on the second equation above to get the following:

3b + 6c = 11.85

3b+6c - (3b+5c) = 11.85-11

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To find the value of b, use substitution:

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b = 3.95-2c

= 3.95 - 2\times0.85

= 2.25

\therefore the cost of a brownie is $$2.25

Hope this helps :)

4 0
3 years ago
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Answer:sorry i need points for my test

Step-by-step explanation:

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Step-by-step explanation:\

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3 years ago
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