400m = .4 km
so in a day she runs 4000m = 4km
3*4000 = 12000
12000/400 = 30 laps is your answer
The answer to your question is 50,000
Answer:
= 17.75526315
Step-by-step explanation:
Combine multiplied terms into a single fraction
(3.8) = 67.47
= 67.47
Remove parentheses
= 67.47
more steps but it will take to to read but the answer is
= 17.75526315
9514 1404 393
Answer:
no — the hypotenuse is about 33.5 ft long
Step-by-step explanation:
The hypotenuse (h) is given by the Pythagorean theorem.
h² = 15² +30² = 225 +900 = 1125
h = √1125 ≈ 33.54
The hypotenuse of this triangle is not 39 feet long.
_____
<em>Additional comment</em>
You can estimate the hypotenuse based on the relative side lengths. Here the short side is 1/2 the length of the long side. This means the hypotenuse will be longer than the long side by an amount between ...
0.4(1/2)² = 0.1
and
0.5(1/2)² = 0.125
times the length of the long side. That is, the additional length will be between 3 and 3.75 feet, so the hypotenuse will be shorter than 33.75 feet.
Answer:
(6 +31)(6 - 31) = -925
(4 -51)(4+51) = -2585
(-3 +81)(-3-81) = -6552
Step-by-step explanation:
(6 + 31)(6 - 31)
6 + 31 = 37
6 - 31 = -25
(37)(-25)
37 * -25 = -925
(6 +31)(6 - 31) = -925
(4 -51)(4+51)
4 - 51 = -47
4 + 51 = 55
(-47)(55)
-47 * 55 = -2585
(4 -51)(4+51) = -2585
(-3 +81)(-3-81)
-3 + 81 = 78
-3 - 81 = -84
(78)(-84)
78 * -84 = -6552
(-3 +81)(-3-81) = -6552