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pentagon [3]
3 years ago
15

Find cos(sin-1(3/5))

Mathematics
1 answer:
Natali5045456 [20]3 years ago
8 0
Sin-1 (3/5) = 36.869
cos 3/5 = 0.999
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A kilogram of seawater contains 1/40 kg of salt. How much salt is there in two buckets of seawater, which contain 500 liters of
never [62]

Two buckets of seawater contain 13\frac{28}{40} kg of salt.

Step-by-step explanation:

Amount of salt in 1 kg water = \frac{1}{40}\ kg

It is given that;

1 liter = 1\frac{12}{125} = \frac{137}{125}\ kg

500 liters = 500*\frac{137}{125} = \frac{68500}{125}

500 liters = 548 kilogram

As,

1 kg of seawater = \frac{1}{40}\ kg of salt

548 kilograms = \frac{1}{40}*548

548 kilograms = 13\frac{28}{40} kilograms of salt

Two buckets of seawater contain 13\frac{28}{40} kg of salt.

Keywords: unit rate, multiplication

Learn more about multiplication at:

  • brainly.com/question/10525991
  • brainly.com/question/10534381

#LearnwithBrainly

5 0
3 years ago
Elsa, Ryan, and Bill have a total of $135 in their wallets. Ryan has 4 times what Bill has. Elsa has $9 more than Bill. How much
NNADVOKAT [17]

Answer:

Bill has $21.

Step-by-step explanation:

There's $135. 84/4=21. At the same time, 21+9=30. 30+21+84=135.

6 0
3 years ago
Anna's toy car traveled 0.7 meters. Hector's toy car traveled 0.72 meters. Whose car traveled farther? Select from the drop-down
alexandr402 [8]

Answer:

When you do adding and subtracting with decimals just line up the decimal points and do the math regularly

0.72

-0.7

_____

0.02 meters further so Hector's car traveled farther

0.6

+0.25

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0.85 swam in total

Hope this helps

Step-by-step explanation:

3 0
3 years ago
In physics, kinetic energy is the energy of an object in motion. Kinetic energy, K, measured in joules (J), is
Kryger [21]

Answer:

m =  \frac{2k}{v^{2} }

Step-by-step explanation:

k  =  \frac{1}{2} mv ^{2}

v ^{2} m = 2k

m =  \frac{2k}{v ^{2} }

5 0
3 years ago
40 is what percent of 49​
Harrizon [31]

Answer:

81.63

Step-by-step explanation:

40: 49*100 =

(40*100): 49 =

4000: 49 = 81.63

4 0
2 years ago
Read 2 more answers
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