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Rufina [12.5K]
3 years ago
5

There are 24 pens in a desk drawer the cans are either red or blue the ratio of red pens to blue pens is 521 how many red pens a

re there and how many blue pens are there
Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
7 0
Idk but u can do it u just have to beleaguere
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Solve for m 1/C+1/m=1/z
9966 [12]
Answer:  " m = zC / (C − z) " .
___________________________________
Explanation:
_________________________
Given:  1/C + 1/m = 1/z ;  Solve for "m".

Subtract  "1/C" from each side of the equation:
____________________________________
1/C + 1/m − 1/C = 1/z − 1/C  ;

to get:  1/m = 1/z − 1/C ;
____________________________________
Now, multiply the ENTIRE EQUATION (both sides); by "(mzC"); to get ride of the fractions:
_________________

mzC {1/m = 1/z − 1/C} ;

to get:  zC = mC − mz ;

Factor out an "m" on the "right-hand side" of the equation:

zC = m(C − z) ;  Divide EACH side of the equation by "(C − z)" ; to isolate "m" on one side of the equation;

zC / (C − z) = m(C − z) / m ;  to get:   24/8 = 3  24

zC/ (C − z) = m ;   ↔   m = zC/ (C − z) .
___________________________________________________
4 0
3 years ago
Which expressions can never result in a negative real number when evaluated for any value of x? Select all that apply.
DaniilM [7]
5 whshfunrkfnrj sjdbe
8 0
3 years ago
A function has a constant halving time. What type of function does this represent?
Anna71 [15]
<span>The function which has a constant halving time is in the following form
</span>
A(t) = A_{0} ( \frac{1}{2} )^ \frac{t}{h}
Where:  A₀ is the <span>initial amount
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</span><span>              t    is the time
</span>              A(t) <span>the amount<span> that remains at time t
</span></span>
The previous function represents an Exponential decay<span> function.
</span>

so, The correct answer is option B. <span>Exponential decay</span>
8 0
3 years ago
Read 2 more answers
Dean and Tara are photographers. They take pictures of seniors for high school yearbooks. They charge a standard fee for taking
swat32
Yes that is correct. And?
3 0
3 years ago
Combine like terms to simplify.<br><br> 5z + 3z - 1/2y+ 2y
Rashid [163]

Answer:

8z-2.5y

Step-by-step explanation:

5+3=8

1/2+ 2= 2.5

7 0
3 years ago
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