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Galina-37 [17]
3 years ago
9

Please help real answers only i am struggling and need to get this right

Mathematics
1 answer:
Elden [556K]3 years ago
4 0
Answer is a) sequence of amino acids.

I just googled it, you really should ask this in the science/biology section not Math.
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Change the fraction w-3/w+5 into an equivalent fraction with the denominator w2 + w – 20.
viktelen [127]
ANSWER

\frac{ {w}^{2}  - 7w + 12}{ {w}^{2}  + w - 20 }

EXPLANATION


The given fraction is,

\frac{w - 3}{w + 5}

To get an equivalent fraction, we multiply both the numerator and the denominator by the same quantity that will give us

w²+w-20

in the denominator.


This implies that,

\frac{w - 3}{w + 5}  =  \frac{(w - 3)(w - 4)}{(w + 5)(w - 4)}

We multiply out the numerators and denominators using the distributive property to obtain,


\frac{w - 3}{w + 5}  =  \frac{ {w}^{2}  - 4w - 3w + 12}{ {w}^{2} - 4w + 5w - 20 }

This simplifies to

\frac{w - 3}{w + 5}  =  \frac{ {w}^{2}  - 7w + 12}{ {w}^{2}  + w - 20 }


5 0
3 years ago
Pls answer pls....<br> 15 points... <br> pls just pls <br> The choices are on the picture
Burka [1]

Answer:

x = 2

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Determine whether or not this is a function. Explain why it is or not is.<br><br> Thank you!
emmasim [6.3K]

Here you have black dots at x = {0, 1, 2, 4, 4.5, 5}.

For each of these x-values, there is one and only one associated y-value.  This fact tells us that the graph does represent a function.


6 0
3 years ago
Here is an easy puzzle:
galina1969 [7]
The answer is 
date
1                  2                 3          4             5                                         31
r1                r2               r3           r4          r5               .  .  .                  r31
1gm           2gms         3<span>gms     4gms    5gms        .   .  .                 31gms

r1+r2+ .... +r31= 31(31+1) /2=496gms  (31 rings)

he only made 5 rings

31 rings----------> 496 gms
5 rings ------------> ? = 5 x496  / 31=80 gms

</span><span> the weights of those 5 rings was 80 gms</span>
4 0
3 years ago
82.8 cm measured to the nearest tenth of a cm.
Effectus [21]

Answer:

80.0 cm

...................

6 0
2 years ago
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