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jeyben [28]
3 years ago
9

What is the answer to -.3y=7.53

Mathematics
2 answers:
Katarina [22]3 years ago
8 0
Well, I won't give you the direct answer, but I can give you clues to lead you to the answer:

1. divide both sides of the equation by -0.3
2. use a calculator of do the division by hand
3. this should cancel out the -.3 next to the y variable
4. essentially, 7.53/-0.3 is your answer

Hope that helps!
fiasKO [112]3 years ago
3 0
Y = - 25.1

I hope this helps. 

I hope you pass! :D
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The half-life of iron-52 is approximately 8.3 hours.How much of a 13 gram sample of iron-52 would remain after 8 hours? Round to
Alexandra [31]

6.665 grams of the 13 grams remain after 8 hours.

<h3>How much of a 13 gram sample of iron-52 would remain after 8 hours?</h3>

The decay equation for the 13 grams of iron-52 is:

N(t) = 13g*e^{(-ln(2)/8.3h)*t}}

Where N is the amount of iron-52, and t is the time in years.

Where we used the fact that the half-life is exactly 8.3 hours.

Now, the amount that is left is given by N(8h), so we just need to replace the variable t by by 8 hours, so we get:

N(8h) = 13g*e^{(-ln(2)/8.3h)*8h}} = 6.665g

So 6.665 grams of the 13 grams remain after 8 hours.

If you want to learn more about half-life:

brainly.com/question/11152793

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5 0
1 year ago
Find the mistake and correct it
Murljashka [212]

Answer:

i believe its the second part thats wrong  

Step-by-step explanation:

1 Distribute

−5(−2+10)=20

10−50=20

2 Add 50 to both sides of the equation

10−50=20

10−50+50=20+50

3 Simplify

Add the numbers

10x−50+50=20+50

10=20+50

Add the numbers

10x =20 + 50

10x=10

4 Divide both sides of the equation by the same term

10x = 70

10x   70

---- = ----

10      10

5 Simplify

Cancel terms that are in both the numerator and denominator

10x   70

---- = ----

10      10

      70

x  = ----

       10

   

        70

x  = ----

       10  

x=7

Solution

= 7

hopes it helps and list brain list plz

6 0
2 years ago
625 revolutions in 223 seconds<br><br> Find the unit rate.
krok68 [10]

Answer:

2.802691 revolutions per second

Step-by-step explanation:

You can round to the nearest whole number making it 3 revolutions per second

7 0
3 years ago
Which one is right please explain
Kitty [74]
The correct answer would be B. Hope this helps, and please mark me the brainliest, we can be friends!!
5 0
3 years ago
Find the sum of the first 48 terms of the following series, to the nearest integer.
Andru [333]

Answer:

3,672

Step-by-step explanation:

Given the sequence 6, 9, 12...

The sequence is an arithmetic sequence

first term a = 6

common difference d = 9 - 6 = 12 - 9 = 3

number of terms n = 48

Sn = n/2[2a+(n-1)d]

Substitute the given values

S48 = 48/2[2(6)+(48-1)(3)]

S48 = 24(12+(3*47))

S48 = 24(12+141)

S48 = 24(153)

S48 = 3,672

Hence the sum of the first 48terms is 3,672

8 0
3 years ago
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