3 years ago

1489.45 Round this number to two decimal places

Mathematics

2 answers:

Gekata [30.6K]3 years ago

8 0

It is already rounded so you wont have to do anything.

boyakko [2]3 years ago

8 0

i dont know sd f g d g g

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In equilateral triangle RST, R has coordinates (0, 0) and T has coordinates of (2a, 0). Find the coordinates of S in terms of a.

FromTheMoon [43]

The x coordinate of S will be 1/2 * 2a = a.
and since the half triangle is 30-60-90 the y coordinate will be sqrt3 a

so S is (a , sqrt3a)

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If George received $78.00 for his work and he gets paid 6 dollars and hour how much is he getting paid

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Jim spent an hour doing homework. He spent a third of this time on math and a half on an essay. A few breaks took the rest of hi

Citrus2011 [14]

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3 years ago

3. Kurt's car gets 23 miles to a gallon of gasoline. He filled up his car's gas tank with g gallons. Write an expression that sh

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The expression D=23g shows the distance that Kurt can drive on a tank of gasoline.

Step-by-step explanation:

Given,

Distance covered by Kurt's car = 23 miles per gallon of gasoline

Kurt fills up tank of his car with g gallons.

Number of gallons in car's tank = g gallons

Distance covered by g gallons = D = Distance covered by one gallon * Number of gallons

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D = 23g

The expression D=23g shows the distance that Kurt can drive on a tank of gasoline.

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3 0

3 years ago

Prove that: 5^31–5^29 is divisible by 100.

ANEK [815]

Answer:

See explanation

Step-by-step explanation:

Consider the expression

$5^{31}-5^{29}$

First, factor it:

$5^{31}-5^{29}=5^{29}\cdot(5^2-1)=5^{29}\cdot (25-1)=24\cdot 5^{29}$

Note that

$100=25\cdot 4$

Then

$5^{31}-5^{29}=24\cdot 5^{29}=6\cdot 4\cdot 25\cdot 5^{27}=6\cdot 100\cdot 5^{27}$

This shows that number 100 is a factor of the expression $5^{31}-5^{29}$ and, therefore, this expression is divisible by 100.

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3 years ago

1489.45 Round this number to two decimal places​

1489.45 Round this number to two decimal places