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Rzqust [24]
3 years ago
5

What is the area of this irregular figure O 54 cm? O 72 cm? O 216 cm? 432 cm?

Mathematics
2 answers:
max2010maxim [7]3 years ago
8 0

Answer:

72

Step-by-step explanation:

I took the test just now

Musya8 [376]3 years ago
4 0

Answer:

72

Step-by-step explanation:

Area= height x width

12 X 6 = 72

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A parabola has a vertex at (-2,6) and roots at 7 and m. Find the value of m
Archy [21]

Answer:

So m= - 11

Step-by-step explanation:

* THe vertex is (-2,6), then the equation is y = a(x+2)^2 +6, a is to find out.

* A root is 7 means x=7 and y=0, then :

0 = a(7+2)^2 +6

0=81a+6 or a= -6/81  = -2/27.

* We have the equation: y= -2/27 (x+2)^2 +6=-2/27 [ (x+2)^2-81]

y= -2/27 (x-7)( x+11).

So m= - 11

Hope that you understand.

8 0
3 years ago
The current price of each share of a technology company is $135, If this represents a 16.2% increase over last year what was the
Inga [223]
The answer is $116.18. 135 is 116.2% of the previous year.
8 0
3 years ago
jeunesse earned $725 dollars by working 5 days in a week. What is the average amount that she earned per day?
dem82 [27]
The average amount that Jeunesse earned per day is $145.
725/5
7 0
3 years ago
In the xy-plane, the point (4,4) lies on the graph of the function f(x)-2x2-bx + 12. What is the value of b?
nikdorinn [45]
Simply substitute the point into the given equation; as there is one variable, you only need one point and so one is given. When done so, you shall get b=4

5 0
3 years ago
"Each week, a subcommittee of four individuals is formed from among the members of a committee comprising seven individuals. Two
denis-greek [22]

Answer:

140 weeks.

Step-by-step explanation:

We are being asked for the maximum number that can elapse without having 2 subcommitees with the same members and the same chair. Notice that the secretary is not mentioned in this statement, so we can ignore that position.

Now, the maximum number of weeks would be equal to the total possible combinations of subcommitees that can be formed from the 7 individuals commiteed, times the number of options that can sit at the chair possition.

The total possible combinations of subcommitees that can be formed from the 7 individuals can be expressed like the following expression. Notice that there is no a particular order to be considered, so we use the combination formula:

\left[\begin{array}{ccc}7\\4\end{array}\right] = \frac{7!}{4!(7-4)!} = 35

Now, each of the 4 individuals have the same probability of being chosen as the chair commitee. So, we have to multiply 4 times the number of possible subcommitees in order to arrive our answer:

x = 35 * 4 = 140

This would be the maximum number of subcommitees that can be formed with no subcommitees with the same members and the same chair occurring.

3 0
3 years ago
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