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Mrac [35]
3 years ago
9

I need to know the amount of Iodine -131 remaining after 72 days

Mathematics
1 answer:
jenyasd209 [6]3 years ago
4 0

Answer:

131 remaining after 72 days

Step-by-step explanation:


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The length of a rectangle is 4 in longer than its width. if the perimeter of the rectangle is 28 in , find its area.
ra1l [238]
The area is 45 inches squared

7 0
2 years ago
Is (5,1) a solution to the equation 2x-y=11? Explain
grigory [225]
This is simple. Coordinate form is (x,y) so you would just plug in your values. 

2(5)-(1)=11

10-1 does not equal 11, so no it is not a solution.
7 0
3 years ago
Read 2 more answers
8/15 - 11/15?<br> Having trouble on my math homework
Sladkaya [172]

Answer:

-1/5

Step-by-step explanation:

8/15 - 11/15

(8-11)/15

-3/15

-1/5

4 0
2 years ago
3x-2y=6<br><br> y=3/2x-3<br><br> Find the slope, x-intercept, and y-intercept for both equations.
lys-0071 [83]

The slope-intercept form: y = mx + b

m - slope

b - y-intercept

We have 3x - 2y = 6       <em>subtract 3x from both sides</em>

-2y = -3x + 6      <em>divide both sides by -2</em>

y = 3/2 x - 3

slope: m = 3/2

y-intercept: b = -3

x-intercept for y = 0. Substitute:

3/2 x - 3 = 0      <em>add 3 to both sides</em>

3/2 x = 3       <em>multiply both sides by 2/3</em>

x = 2

<h3>Answer:</h3><h3>slope = 3/2</h3><h3>y-intercept = -3</h3><h3>x-intercept = 2</h3>

----------------------------------------------------------------

y = 3/2 x - 3 it's the same function like first function.

8 0
3 years ago
What is the quotient of 4 divided by 9/10
kozerog [31]
The answer is 49/9 because you can first convert the fraction into a decimal and devide 4 and 0.9 and you will get 5.4 repeating and which is 49/9
3 0
3 years ago
Read 2 more answers
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