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Deffense [45]
2 years ago
6

At a certain zoo, the average mass of one blue whale is measured to be 1.9 × 105

Mathematics
1 answer:
professor190 [17]2 years ago
3 0

Answer:

2.7930 × 10^{4}

Step-by-step explanation:

1.9 × 105 × 140 = 27,930

Scientific notation: 2.7930 × 10^{4}

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What is the distance between the two numbers on a number line?<br> -7/4 and 3/8
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To find the distance between any two real numbers, take the greater number (the one lying farthest to the right on a number line) and subtract the lesser number ( the on lying farthest to the left)
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3 years ago
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a sailfish can go as fast as 68mph. in 1 min. can a sailfish swim as far as 1 mile? explain the answer.
Bezzdna [24]
Yes the sailfish can swim one mile
7 0
3 years ago
Help 15 points!!!!!!!!!!!!!!!!!!!!!
Svetllana [295]

Answer:

see explanation

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan A = \frac{opposite}{adjacent} = \frac{BC}{AC} = \frac{7}{8} , then

∠ A = tan^{-1} (\frac{7}{8} ) ≈ 41° ( to the nearest degree )

The sum of the angles in the triangle = 180° , then

∠ B + 41° + 90° = 180°

∠ B + 131° = 180° ( subtract 131° from both sides )

∠ B = 49°

Using Pythagoras' identity in the right triangle

AB² = BC² + AC² = 7² + 8² = 49 + 64 = 113 ( take square root of both sides )

AB = \sqrt{113} ≈ 10.6 ( to the nearest tenth )

3 0
2 years ago
What is the percent of increase from 45 to 70?21.7%35.7%55.6%64.3%
SSSSS [86.1K]

Answer:55.6%

Step-by-step explanation:

45-70= -25

-25/45 = 0.555

=55.6

4 0
2 years ago
A road map has a scale of 5 cm = 1 km. If two towns are actually 15.5 km apart, how far apart are they on the map scale?
tatiyna

Answer:

77.5 cm

Step-by-step explanation:

15.5km* 5 cm on map/ 1 actual km= so 77.5 cm

if my answer helps please mark as brainliest.

5 0
3 years ago
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