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PtichkaEL [24]
3 years ago
11

Nancy’s 50-meter freestyle swim time was 28.004 seconds. Betty’s 50-meter freestyle swim time was 27.949 seconds. What was the d

ifference between Nancy’s and Betty’s swim times?
Mathematics
1 answer:
Pie3 years ago
8 0

The difference between their swim times was 0.055 seconds.
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I need answer on this problem tyt​
tamaranim1 [39]
<h3>Speed of light:</h3>

3.05 \times 10 ^{8} m/s

<h3 /><h3>Seconds in a year:</h3>

3.15 \times 10 ^{7}

\rule{300pt}{3pt}

Multiply the speed of light with seconds in a year

*Note:- We will not change the values because speed of light is in m/s and the time is also given in seconds.

\rule{300pt}{3pt}

3.08 \times 10 ^{8}  \times 3.15 \times 10 ^{7}

(3.05 \times 3.15) \times (10 ^{8}  \times 10 ^{7} )

9.4675 \times 10 ^{15}

\tt9.46 \: Trillion \: Kilometers

3 0
2 years ago
Find x in the triangle below. Round your answer to the nearest tenth.
jonny [76]

Answer:

Step-by-step explanation:

Remark

  • x is opposite the 90 degree angle. It is the hypotenuse.
  • 13 makes up the 57 degree angle. It is the side adjacent.
  • The adjacent side and the hypotenuse define the cos(theta).

Formula

cos(theta) = adjacent side / hypotenuse

Givens

Theta = 57 degrees

Hypotenuse = x

Side adjacent = 13

Solution

  • Cos(57) = 13 / x         Multiply both sides by x
  • x*cos(57) = 13           Divide by cos(theta)
  • x = 13/cos(57)
  • x = 13 / cos(57)
  • cos(57) = 0.5446
  • x = 13/ 0.5446
  • x = 23.87
6 0
2 years ago
.004 greater than or less than 4.00
Goshia [24]

Answer:

0.004 is much less than 4.00!

4 0
3 years ago
Read 2 more answers
What is the rate of change between (9,-29) and (13,-28)?
tensa zangetsu [6.8K]

Answer:

-20

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
I REALLY NEED HELP!!!<br> 5^-3=
stiv31 [10]
1/125 or 0.008
fraction or decimal
3 0
3 years ago
Read 2 more answers
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