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Shalnov [3]
3 years ago
8

Solve the equation for x. *x-3x+5 = 20 X + X =​

Mathematics
2 answers:
olga_2 [115]3 years ago
6 0

Answer:

5

Step-by-step explanation:

insens350 [35]3 years ago
6 0
X = 5
sorry if im wrong :(
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What is 0.782 rounded to the nearest tenth and decimals
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I don't get what you mean by "with decimals" but it would be 1
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3 years ago
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Simplify (6x^-2) (0.5x)^4
loris [4]

Answer:

(3/8)x^2

Step-by-step explanation:

Rewriting the given expression as follows simplifies the solution.  Note that 6x^(-2) could be written as:

   6

--------

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Also, (0.5x)^4 = 0.0625x^4.

Then we have:

6*0.0625*x^4        0.375

---------------------- = ------------ * x^(4-2), or     (3/8)x^2

        x^2                     1

Note that x^4 / x^2 = x^2.

6 0
3 years ago
He legs of an isosceles triangle have lengths x + 1 and -x + 7 . The base has length 3x - 3. What is the length of the base?
marishachu [46]

x + 1 =   - x + 7
= 6
6 = 3(x) - 3
6 + 3 = 3x
9 = 3x
x = 3
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3 0
4 years ago
A bus travels 36 miles in 45 minutes. What number of miles would the bus travel in 60 minutes at this rate?
marusya05 [52]

Answer:

48 miles.

Step-by-step explanation:

A bus travels 36 miles in 45 minutes

In 60 minutes, travelling at this rate, the bus would cover:

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4 0
3 years ago
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The half-life of Radium-226 is 1590 years. If a sample contains 500 mg, how many mg will remain after 2000 years? Preview mg Giv
d1i1m1o1n [39]

Answer:

a_{n}=209.09 mg

Step-by-step explanation:

given: material= radium

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a_{n} = a_{0}\left ( 0.5\right )^{n}

n=\frac{2000}{1590} = 1.2578

therefore

a_{n} = 500\times0.5^{1.2578}

a_{n}=209.09058407921 mg

a_{n}=209.09 mg amount left after 2000 years

4 0
4 years ago
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