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Mars2501 [29]
3 years ago
11

I need help with problem.

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
7 0

Answer:

The measure of DC is 20ft.

Step-by-step explanation:

Because the problem states that BA=AC, AD becomes the bisector of angle BAC. This means that BD and DC must be the same length.

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IgorC [24]

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7 0
3 years ago
HELP!!!
ella [17]

Answer:

120

Step-by-step explanation:

We are given that the function for the number of students enrolled in a new course is f(x) = 4^{x}-1.

It is asked to find the average increase in the number of students enrolled per hour between 2 to 4 hours.

We know that the average rate of change is given by,

A = \frac{f(x)-f(a)}{x-a},

where f(x)-f(a) is the change in the function as the input value (x-a) changes.

Now, the number of students enrolled at 4 = f(4) = f(x) = 4^{4}-1 = 255 and the number of students enrolled at 2 = f(2) = f(x) = 4^{2}-1 = 15

So, the average increase A=\frac{f(4)-f(2)}{4-2} = A=\frac{255-15}{4-2} = A=\frac{240}{2} = 120.

Hence, the average increase in the number of students enrolled is 120.

3 0
3 years ago
x + a)(x + 3)(2x+1) = bx^3 + cx^2 + dx -1(x + a)(x + 3)(2x+1) = bx^3 + cx^2 + dx -10. find values for a b c and d​
mario62 [17]

Answer:

a=-5,b=3c=-8 d=?

Step-by-step explanation:

4 0
2 years ago
What is 6.16×10*6 in standard form?
Paladinen [302]

Answer:

6.16×10*6

Step

6=2+_AT ERATLION

Question

What is in standard form?-by-step explanation:

8 0
3 years ago
Two boxes have the same volume. One box has a base that is 5cm by 5 The other box has a base that is 10cm by 10cm
Nadusha1986 [10]

Answer:2

Step-by-step explanation:

7 0
2 years ago
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