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ki77a [65]
3 years ago
5

You have 6,000 with which to build a rectangular enclosure with fencing

Mathematics
1 answer:
Dominik [7]3 years ago
7 0
What is the question asking
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M 2 = a°, m 3 = b°, m 4 =<br><br> a<br> b<br> a + b<br> a - b<br> (see picture)
Ket [755]

The answer is a+b. Since a triangle is equal to 180 degrees, and you know that angle 2 = a degrees and angle 3 = b degrees then you know that 180 degrees minus angle 2 and angle 3 = angle 1.


It is also known that angle 1 and angle 4 added together will be 180 degrees. Since before we already found out that angle 1 = 180 - angle2 + angle3, we know that angle4 = angle2+angle3

6 0
3 years ago
What times what equals 59
nevsk [136]
59 x 1 = 59 is one of the problems
4 0
3 years ago
Read 2 more answers
A figure is graphed in the coordinate plane. Which pair of transformations will NOT preserve the size and the shape of the figur
Archy [21]

Answer: The answer is B

Step-by-step explanation:

7 0
2 years ago
The number of yeast cells in a laboratory culture increases rapidly initially but levels off eventually. The population is model
Deffense [45]

Answer:

Step-by-step explanation:

Given the population of yeast modelled by the function f(t)=a/1+be^-0.7t where t is measured in hours.

If at time t = 0 the population is 20 cells, then the equation becomes:

20 = a/1+be^-0.7t

20 = a/1+be^-0.7(0)

20 = a/1+be^-0

20 = a/1+b(1)

a/1+b = 20

a = 20(1+b) ........ equation 1

Also if the population is increasing at a rate of 12 cells/hour, then d(f(t)/dt = 12

Differentiate the expression with respect to time

f(t)=a(1+be^-0.7t)^-1

d(f(t)/dt =

a{-(1+be^-0.7t)^-2×(-0.7be^-0.7t)

a{-(1+be^-0.7t)^-2×(-0.7be^-0.7t) = 12

0.7abe^-0.7t/(1+be^-0.7t)² = 12 ..... equation 2

at t = 0, the equation becomes

0.7abe^-0/(1+be^-0)² = 12

0.7ab/(1+b)²= 12

0.7ab = 12(1+b)²

Substitute 1 into 2

0.7×20(1+b)b = 12(1+b)²

14(1+b)b = 12(1+b)²

Divide both sides by 1+b

14b = 12(1+b)

14b = 12+12b

14b-12b = 12

2b = 12

b = 6

Substitute b= 6 into the equation a = 20(1+b) to get a.

a = 20(1+6)

a = 20×7

a = 140

For us to be able to determine what happens to the yeast population in the long run. we will take the limit of f(t) as t approaches infinity.

Lim t -->/infty a/1+be^-0.7t

= a/1+be^-(infty)

= a/1+b(0)

= a

Since a = 140, hence the population of the yeast tends to 140 on the long run

8 0
3 years ago
P.
zavuch27 [327]

Answer:

x = z

x + y = 180

Step-by-step explanation:

8 0
3 years ago
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