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.... 15 points... pls just pls 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. 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 3gms 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

 the weights of those 5 rings was 80 gms

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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