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babunello [35]
3 years ago
9

Some PLEASE help me!! If y = x^2 e^x, then dy/dx =

Mathematics
1 answer:
zzz [600]3 years ago
3 0

Answer:

option c

Step-by-step explanation:

if y= x^2 e^x then the derivative is x^2 * e^x + e^x * 2x

take e^x and x as commom so we get e^x * x ( x+2)

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The ratio of boys to girls in a class is 2 to 3. If there are 4 boys in the class, how many girls are there?
WARRIOR [948]

Answer:

Step-by-step explanation:

Firstly, we can simplify the ratio of boys to girls to  

1

:

2

.

Then, to find out how many students each ratio represents, we add up  

1

and  

2

to get  

3

(

1

+

2

=

3

).

By dividing  

3

by the number of students, we can find how many students ONE ratio represents:  

24

3

=

8

.

So ONE ratio is equal to  

8

boys. Since our simplified ratio of boys to girls is  

1

:

2

already, we do not have to do further multiplying - the number of boys is simply  

8

.

For the girls, simply multiply  

2

by  

8

to get  

16

.

Check:  

8

 

boys

 

+

18

 

girls

=

24

 

students

.

5 0
3 years ago
Can someone please help me with this problem and show work?
Lina20 [59]

Answer:

The correct answer is B

Step-by-step explanation:

She starts with 29 because 29 don't have an valuable with it and she gains 12 every year, year is represented by the k. The Greater than equal to sign makes the problem can't equal anything under 120.

7 0
3 years ago
Please someohe help me!!
Andrews [41]

Answer:

1) 7

2) 11

3)9

Step-by-step explanation:

i dont feel like explaining

6 0
3 years ago
Read 2 more answers
Find the coordinates of the intersection of the diagonals of parallelogram qrst with vertices q(-8,1), r(2,1), s(4,-3), t(-6,-3)
TiliK225 [7]

Answer:

Point of intersection is (-2, -1).

Step-by-step explanation:

The diagonals bisect each other so we only need to find the midpoint  of one of the diagonals. We'll use the diagonal qs:-

Midpoint = (-8 + 4)/2, (1 + -3)/2

= (-2, -1)


3 0
4 years ago
Enter two equations that state the relationship of the distances between the three towns. Use x as the variable.
lianna [129]
It’s 17 and 24 and 6
3 0
3 years ago
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