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lara31 [8.8K]
2 years ago
15

I NEED HELP PLEASE!!!!!

Mathematics
1 answer:
larisa86 [58]2 years ago
6 0

Answer:A sample has a density of 1.37 * 10^5 CFU/mL. Whatsample volume should yield a countable plate? Which two dilutiontube could be used to produce this sample volume? How?

Step-by-step explanation:A sample has a density of 7.9 * 10^9 CFU/mL. What samplevolume should yield a countable plate? Which two dilution tubecould be used to produce this sample volume? How?

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וח
fenix001 [56]

Answer:

The equation solved for V is m/d=V

7 0
2 years ago
A parachutist falls at a speed of about 12 miles per hour. Find this speed in feet per second
padilas [110]
So in 1 hour, the parachutist will fall 12 miles or
12 mi/1hour

convert
1 hour=60 mins
1 min=60 seconds
1 hour=60 times 60 seconds=360 seconds
12 miles per 360 seconds


convert miles to feet
5280 feet per mile
12 miles times 5280=63360 feet

63360/360
do the math and simplify
63360/360=6336/36=176

176 feet per second
6 0
2 years ago
A circle has a diameter of 14 feet. What is the circumference of the circle? Use 3:14 for pie.
Marianna [84]

Answer:

Circumference= 43.96 feet

Step-by-step explanation:

Diameter of the circle= 14 feet

Radius of the circle= 14/2= 7 feet

Circumference of the circle= 2\pi r

As, \pi =\frac{22}{7}=3.14

Circumference:

                          =2*3.14*7\\\\=3.14*14\\\\=43.96feet

The circumference of the circle with the radius= 7 feet is 43.96 feet

6 0
3 years ago
8. Instructions: Find the missing side of the triangle.
klasskru [66]

Answer:

x = 43

Step-by-step explanation:

x + 28 + 195 = 180

x + 223 = 180

x = 180 - 223

x = 43 (ANS)

I hope my answer is correct. If not I apologize.

7 0
2 years ago
Read 2 more answers
Qualitative research differs from quantitative research because it a. relies heavily on statistical analysis b. is conducted in
Shtirlitz [24]

Answer:

d

Step-by-step explanation:

Qualitative research involves mainly exploratory. It is used to gain understanding reasons,opinions and motivations.

Quantitative research is used to collect and generate numerical data used in defining and solving problems.

4 0
3 years ago
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