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exis [7]
3 years ago
14

Unrestrained growth of cells in a petri dish can be extremely rapid with a single cell growing into a number of cells given by t

he formula and parentheses T parentheses equals eight to the tea after T hours enter the formula for the number of cells in the petri dish on a culture started with 20 isolated sauce
Mathematics
1 answer:
MrRissso [65]3 years ago
7 0
Deeeeeeeeeeeeeeeeeeeeeeeeez nuts
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Simplify<br><br> 1/4 (-12+4/3)
garri49 [273]
Decimal form: -2.6666..
Fraction form: -2 2/3
8 0
3 years ago
If a gardner plants beans in 1/8 of a plot and tomatoes in 1/6 of a plot, what fraction of the garden is left for other crops
JulsSmile [24]

You simply have to sum the two fraction together to get the total amount of occupied plot. To do so, multiply both numerator and denominator of each fration by the same number, so that they end up having the same denominator.

You can multiply both numerator and denominator of 1/8 by 3 to get 3/24. Similarly, you can multiply both numerator and denominator of 1/6 by 4 to get 4/24.

Now we can easily sum the two fractions together:

\dfrac{1}{8}+\dfrac{1}{6}=\dfrac{3}{24}+\dfrac{4}{24} = \dfrac{7}{24}

So, if 7 parts out of 24 are occupied, it means that there are 24-7=17 parts left for other crops. So, the answer is 17/24.

5 0
3 years ago
A math test has 40 questions. A student answers 85% of the questions correctly. How many questions did the student answer correc
Novosadov [1.4K]

Answer:

34

Step-by-step explanation:

40 * 0.85 = 34

34 questions answered correctly

6 0
2 years ago
Read 2 more answers
Solve the equation and justify the steps used to solve. <br> 4+q=17
frez [133]
The answer is 13 … just minus 17-4 and it will equal 13
8 0
3 years ago
. A hawk flying at a height of 60 feet spots a rabbit on the ground. If the hawk dives at a speed of 55 feet per second, how
Vladimir [108]

Answer:

The hawk reaches the rabbit at t=4.3 sec

Step-by-step explanation:

Let

h ----> is the height in feet

t ----> is the time in seconds

v ---> the initial velocity in feet pr second

s ----- is the starting height

we have

h=-16t^{2} +vt+s

when the hawk reaches the rabbit the value of h is equal to zero

we have

v=55\ ft/sec

s=60\ ft

substitute

0=-16t^{2} +55t+60

Solve the quadratic equation by graphing

The solution is t=4.3 sec

see the attached figure

8 0
3 years ago
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