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den301095 [7]
3 years ago
9

Math help????????????????????????????

Mathematics
2 answers:
AleksandrR [38]3 years ago
3 0
The probability is 1/10
german3 years ago
3 0

Answer:

I think it’s 1/10

Step-by-step explanation:

Count from 0-9 and it’s 10, 0 is one number out of nine it’s 1 outta 10

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Maggie was doing research for her Ph.D. in physics when a 12 mg sample of radioactive material decayed to 3 mg in 26 minutes. De
netineya [11]

The general way to work this out is to solve the general expression for
the remaining quantity versus half-life, using logarithms.  But that's not
necessary with these numbers.

Look at the numbers:

-- 3 mg is  1/4  of  12 mg.

-- 1/4  is the product of  (1/2) x (1/2).

-- So the  3 mg is what's left of  12 mg after  2  half-lives.
The  26  minutes must be two half-lives.

-- The half-life of that substance is  26/2 = <em>13 minutes</em>.

Go Maggie !

3 0
3 years ago
Slope:<br> Y-Intercept:<br> Equation:
sergejj [24]
Slope: 3/2.
Y intercept: -3
Equation: Y=3/2x-3
8 0
3 years ago
A football is kicked vertically upward from a height of 2 feet with an initial speed of 50 feet per second. The formula h=2+50t-
Oksanka [162]

Answer: 38 feet.

Step-by-step explanation:

The equation of motion of a body thrown vertically upwards:

                                       \displaystyle\\\boxed {h=h_0+v_0t-\frac{gt^2}{2} \ \ \ \ \ (1)},

h_0=2 \ feet\ \ \ \  v_0=50\  feet\  per\  second.

Substitute in formula (1) the value t=2 c:

h=2+50*2-16*2^2\\h=2+100-16*2*2\\h=102-64\\h=38\ feet.

5 0
1 year ago
Pls tell me how to convert a fraction into a decimal! I’m having sm trouble understanding:(
pogonyaev

Answer:

1. 0.875 2. 0.666… 3. 2.25 4. 0.8333…

Step-by-step explanation:

The easiest way to convert a fraction to a decimal is to divide the numerator (the top of the fraction) by the denominator (the bottom of the fraction) by using a calculator. The resulting answer will be the value of the fraction expressed as a decimal number. Hope you get it! :)

5 0
3 years ago
Ive got a big maths test tomorrow ask me questions on fractions or percentages , formula , significant figures , Pythagoras anyt
podryga [215]
What 22/30 times 2/10
7 0
3 years ago
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