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paigie12
10.12.2020 •
Mathematics
This week, Sarah spent a total of 120 minutes studying. This total was 20 more
minutes than 4 times the amount of minutes she studied last week. How many
minutes did Sarah spend studying last week?
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Ответ:
She spent 25 minutes studying last week
Step-by-step explanation:
L = last week
120 = 4L + 20
Subtract 20 from either side
100 = 4L
Divde either side by 4
25 = L
Ответ:
5
Step-by-step explanation:
The square Root of 25 in its simplest form means to get the number 25 inside the radical √ as low as possible.
25 is a perfect square, which means that you can simply calculate the square Root of 25 to get the answer. 5 times 5 equals 25. Thus, the square Root of 25 in simplest radical form is:
5