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Lunna [17]
3 years ago
7

Researchers recorded that a group of

Mathematics
1 answer:
irakobra [83]3 years ago
8 0

Answer:

The number of bacteria grown in 35 hours is 15771

Step-by-step explanation:

It is given that,

Researchers recorded that a group of bacteria grew from 100 to 7,000 in 14 hours.

Therefore, the bacteria has grown from 100 to 7000 in 14 hours.

To calculate number of bacteria grown in 14 hours :

⇒ 7000 - 100 = 6900

6900 bacteria grows in 14 hours. We need to find out the growth of bacteria in 1 hour in order to calculate its growth in 32 hours.

To calculate number of bacteria grown in 1 hour :

⇒ Total bacteria growth in 14 hours / 14

⇒ 6900 / 14

⇒ 492.85

To calculate number of bacteria grown in 32 hours :

⇒ 492.85 × 32

⇒ 15771.2

⇒ 15771  (rounded to nearest whole number)

∴ The number of bacteria grown in 32 hours is 15771

Hope this answer helps you :)

Have a great day

Mark brainliest

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Answer:

7/12 are left.

Step-by-step explanation:

Convert 1/3 and 1/4 so the have a common denominator. The common denominator is 12 so 1/3 turns into 4/12 and 1/4 turns into 3/12. 3/12 plus 4/12 equals 7/12.

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3 years ago
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Transpose for p<br> w = p + cg <br><br><br> Make h the subject <br> m = r - h + 4d
OLEGan [10]

The result of making the required variable the subject in both equation are :

  • <em>p = w - cg</em>
  • <em>h = - (m - r - 4d)</em>

<u>Making p the subject in w = p + cg :</u>

w = p + cg

<em>Subtract cg from bith sides </em>

w - cg = p + cg - cg

p = w - cg

2.)

<u>Make h the subject m = r - h + 4d </u>

m = r - h + 4d

<em>Subtract r from both sides</em>

m - r = r - h + 4d - r

m - r = - h + 4d

<em>Subtract 4d from both sides </em>

m - r - 4d = - h

<em>Divide both sides by - 1</em>

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5 0
3 years ago
Write 13 tens as a sum of hundreds and tens
Katyanochek1 [597]
I think it is 130. I hope this helps! :D
3 0
3 years ago
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10. Answer True or False for the following statements. If false, justify what would make the statement true. a. If the least-squ
Free_Kalibri [48]

Answer:

a) TRUE

b) FALSE

c)  FALSE

d) TRUE

e) FALSE

Step-by-step explanation:

a)

TRUE because the slope of the correlation line is 2  and this is the rate of change of y respect to x

b)

FALSE

The correlation coefficient r is always between -1 and 1, so it can never be greater than one

c)

FALSE

A student might expect that there is a positive correlation between the age of their laptop and its resale value only if after collecting a large enough sample of data that relates age of the student and price of resale of their laptop, he or she finds that there is a positive correlation coefficient r>0

d)

TRUE

If there is a positive correlation, then the greater the x, the greater the y

e)

FALSE

If there is no correlation between the independent and dependent variables, then the value of the correlation coefficient must be 0.

7 0
3 years ago
 
kirill115 [55]
<span>B. (1, –3)

</span><span>x – y = 4
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1 - (-3) = 4
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True

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