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3 years ago

Why do viruses spread more easily now than a long time ago?

1 answer:

5 0

Viruses spread more easily now than a long time ago due to the fact that people didnt care about the current virus. They stopped wearing masks, which started to bring more, colds, sickness, and viruses, and now, people are spreading viruses faster than before.

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What is the sum? StartFraction 3 y Over y squared + 7 y + 10 EndFraction + StartFraction 2 Over y + 2 EndFraction

katovenus [111]

Answer:

$\dfrac{5}{y+5}$

Step-by-step explanation:

Here, we have to find the sum of 2 fractions:

1st fraction: $\dfrac{3y}{y^{2}+7y+10}$

2nd fraction: $\dfrac{2}{y+2}$

Considering the denominator of 1st fraction:

$y^{2}+7y+10$

Using factorization method:

$7y$ can be written as $(2y + 5y)$ .

$\Rightarrow y^{2}+2y+5y+10$

Taking 5 common from $5y+10$ and y common from $y^{2}+2y$ : $\Rightarrow y(y+2)+5(y+2)$

Now taking $(y+2)$ common:

$\Rightarrow (y+5)(y+2)$

$\dfrac{3y}{y^{2}+7y+10}$ can be written as $\dfrac{3y}{(y+5)(y+2)}$

Now, calculating the sum:

$\dfrac{2y}{(y+5)(y+2)} + \dfrac{2}{y+2}$

Taking LCM and solving:

$\Rightarrow \dfrac{3y+2(y+5)}{(y+5)(y+2)}\\\Rightarrow \dfrac{5y+10}{(y+5)(y+2)}\\\Rightarrow \dfrac{5(y+2)}{(y+5)(y+2)}\\\Rightarrow \dfrac{5}{(y+5)}$

Hence, answer is $\dfrac{5}{y+5}$ .

4 0

3 years ago

Use the given equation to complete the table:

Ne4ueva [31]

Answer:

hope this helps

5 0

4 years ago

Jen borrowed $1500 from her parents for car repairs she plans to take 10% of her $450 weekly income to pay them back at this rat

sammy [17]

It will take her 34 weeks. I got this answer because 10% of $450 is $45. Since she borrowed $1500, you divide $1500 by $45. You get 33.333... Since you earn per week, that rounds up to 34 weeks.

5 0

3 years ago

Read 2 more answers

A patio at the front of the school is a quadrilateral with 4 right angles and 4 congruent sides. What type of quadrilateral is i

pashok25 [27]

I think it is a square because a square has 4 equal sides and four right angles I hope this helped u!

3 0

4 years ago

Read 2 more answers

Add: 4.15+2.15 8.15 2.5 4.15 1.5

nadezda [96]

4.15
+ 2.15
=6.30
That’s the answer

6 0

3 years ago