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VMariaS [17]
3 years ago
11

How much of a radioactive kind of iodine will be left after 120 days if the half-life

Mathematics
1 answer:
Aneli [31]3 years ago
3 0
23+5+1000000000000000000
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One month Lucy rented 9 movies and 7 video games for a total of $65 . The next month she rented 3 movies and 5 video games for a
postnew [5]
You would answer this question using simultaneous equations, so if m is movies and v is video games, then:
9m + 7v = 65
3m + 5v = 37

9m + 7v = 65
9m + 15v = 111
(minus)
-8v = -46
÷ -8
v = $5.75
Then you can substitute​ the value of V in to find the value of m, so:
3m + (5 × 5.75) = 37
3m + 28.75 = 37
- 28.75
3m = 8.25
÷ 3
m = 2.75
So you get the answers as Video Games are $5.75 each and Movies are $2.75 each, I hope this helps!
4 0
3 years ago
Multiply and simplify.
Anuta_ua [19.1K]
Hi, Cupcakesorinkles14 here to your aid your correct answer is 
48x6 + 8x3.
3 0
4 years ago
I need help with this question.
taurus [48]

Answer:

B ;))))))

Step-by-step explanation:

3 0
3 years ago
What is 2x+3y+8x equal
Taya2010 [7]

10x + 3y. add like terms

8 0
3 years ago
Read 2 more answers
What are the roots of -12x2 + 11x − 3 = 0?
Nataly_w [17]
-12x² + 11x - 3 = 0
x = <u>-(11) +/- √((11)² - 4(-12)(-3))</u>
                        2(-12)
x = <u>-11 +/- √(121 - 144)</u>
                   -24
x = <u>-11 +/- √(-23)
</u>              -24
x = <u>-11 +/- i√(23)</u>
             -24
x = <u>-11 + i√(23</u>)                x = <u>-11 - i√(23)</u>
            -24                                   -24
x = ¹¹/₂₄ - 0.0416√(23)      x = ¹¹/₂₄ + 0.0416√(23)
<u />
5 0
3 years ago
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