When you solve a square root problem, can you just divide it by 2? for example in this picture can you do 25 divided by 2?

Mathematics

2 answers:

user100 [1]3 years ago

7 0

Answer:

Step-by-step explanation:

When you square a number, you chose a number and multiplying itself. If you did the square root of 25, you would get 5. However if you divided 25 by 2, you would get 12.5 which is NOT the square root.

adelina 88 [10]3 years ago

3 0

Answer:

No, that is not what the definition of square root is.

Step-by-step explanation:

what $\sqrt{25}$ means is that $\sqrt{25}$ = x where x * x = 25

It means find a number x such that x times x equals 25.

In this case we know 5*5 = 25, so we say 5 = $\sqrt{25}$

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Landen spent L hours at the beach last weekend. Matéo spent 15% fewer hours at the beach than Landen did

fenix001 [56]

Answer: B, D, and E

0.85L

L-0.15L

L(1-0.15)

$L - \frac{15}{100}L$

$L - \frac{3}{20}L$

Step-by-step explanation:

L is the number of hours Landen spent at the beach. Mateo spent 15% less time. This means he spent 85% of it. So 0.85 times L. We can also calculate it by subtracting the difference between the two kids. - 15%. 15% is 0.15L or $\frac{15}{100}L$ . We subtract by L-0.15L or as $L - \frac{15}{100}L$ . This fraction can simplify to $L - \frac{3}{20}L$