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GREYUIT [131]
3 years ago
8

Is 0.2782 a rational number

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
4 0

Yes.  0.2782 is a rational number.
         It's the ratio of  2782  to  10,000 .

Hint:
If you wrote the number down using digits,
then you wrote a rational number.
Every number that can be completely written
with digits is a rational number.
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Sliva [168]
The answer is letter a c and d hope this helps
5 0
2 years ago
8³=512 indique a base
EleoNora [17]

Answer:

8

Step-by-step explanation:

8^3 = 8*8*8 = 512

la base = base = 8

5 0
3 years ago
a man made lake is stocked with 10,000 fish. This population is expected to decline by an annual rate of 15%. Predict the fish p
Rasek [7]
I got 2,500 left after 5 years.
10,000*15% = 1,500 or you could do 10,000*.15 = 1,500

That is a loss of 1,500 fish per year.
If you want to think of this as a proportion then you would do
Year/fish lost

1/1,500 = 5/x
X=5*1,500
X=7,500

The population of the fish after 5 years equals
10,000-7,500 = 2,500
So your answer is 2,500 fish are left
8 0
3 years ago
Solve the triangle for all missing sides and angles
Mama L [17]

Answer:

x = 35

C = 18.92

A = 71.07

Step-by-step explanation:

x)

Use the Pythagorean theorem to find the unknown side.

a^{2} +b^{2} =c^{2} \\\\\\12^{2} +x^{2} =37^{2} \\x^{2} = 37^{2}-12^{2}\\x=35

For Angle C

The angle C can be found using the inverse sine function.

C=arcsin(opp/hyp)

C=arcsin(12/37)

C=18.92

For Angle A

The sum of all the angles in a triangle is 180 degrees.

A + 90 + 18.92 = 180

A = 71.07

8 0
3 years ago
Instructions: Fill in the blank.
Crazy boy [7]
Angle x is the same as the angle opposite it so 63 degrees

angle y = 180 - 72 - 63 = 45 degrees

 angle z is the same angle shown at point B so 72 degrees

3 0
3 years ago
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