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Len [333]
3 years ago
6

Can somebody answer this for me plz its my homework.​

Mathematics
1 answer:
timofeeve [1]3 years ago
6 0

Answer:

The rule for a reflection over the y -axis is (x,y)→(−x,y) .

The rule for a reflection over the x -axis is (x,y)→(x,−y) .

sorry I can't help you with number 4, hopefully this helps!

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A certain virus is dying off at a rate of 18% per hour. Initially there were
djyliett [7]

Answer:

3 strain would still alive after 48 hours

Step-by-step explanation:

Initial population of virus = 40000 grams

A certain virus is dying off at a rate of 18% per hour.

We are supposed to find  how much of the  strain would still be alive after 48 hours

Formula : N(t)=N_0(1-r)^t

N_0=Initial population

N(t)= Population after t hours

r = rate of decrease = 18% = 0.18

t = time = 48 hours

So,the  strain would still be alive after 48 hours=40000(1-0.18)^{48}=2.91 \sim 3

Hence 3 strain would still alive after 48 hours

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3 years ago
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What is 5% of $30?<br>$150<br>$35<br>$1.50<br>$25​
fomenos

Answer:

$1.50

Step-by-step explanation:

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All you have to do is remove then add the dollar sign again!

Hope this helps! :)

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3 years ago
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Can you walk me thru this 2 •(3(5+2)-1)​
kobusy [5.1K]

Answer:

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Step-by-step explanation:

2 •(3(5+2)-1)​

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The level of the liquid is<br>Cm3​
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it means it volume is 1 cm ³

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