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Sergio [31]
2 years ago
5

HELP MEEE???? L'LL GIVE U A BRAINLIST???

Mathematics
1 answer:
Katarina [22]2 years ago
3 0
Okay, don’t freak out. It’s more simple than it seems.
To find the area of this rectangle you use length x length
Let’s look for the length first
Use the bottom left and right points
(-2.25,-1) and (2.25,-1)
The length is a horizontal line so we use the x-coordinates. The distance from -2.25 to 2.25 is 4.5
Now let’s find the height. Let’s use the top left and bottom left coordinates.
(-2.25,4) and (-2.25,-1)
The height is a vertical line. The y-coordinates. Their difference is 5.
So 4.5 x 5 = 22.5
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Find f'(x) for f(x) = cos^2(3x^3).
garik1379 [7]

f(x) = \cos^2(3x^3)\\f'(x) = \frac{d}{dx}[\cos^2(3x^3)]\\= 2\cos(3x^3) \cdot \frac{d}{dx}[cos(3x^3)]\\= 2\cos(3x^3) \cdot (-\sin(3x^3)) \cdot \frac{d}{dx}[3x^3]\\= 2\cos(3x^3) \cdot (-\sin(3x^3)) \cdot 9x^2\\= -18x^2\cos(3x^3)\sin(3x^3)

6 0
2 years ago
HELPPP I SUCK AT MATH
e-lub [12.9K]
I think the answer is 6
4 0
3 years ago
How many litres of fuel will a car use to travel 450 km if its fuel consumption is 6,8 km/l?​
valentina_108 [34]

Step-by-step explanation:

are you sure the fuel consumption is given by 6,8 km/l ?

normally it is given by l/100km.

but ok, let's assume this is correct.

it would mean the car can drive 6,8 km with every liter of fuel in the tank.

how many liters will the car need to go 450 km ?

well, as many liters as 6,8 fits into 450 :

450/6,8 = 66.17647059... liters

this is not a very fuel efficient car ...

7 0
2 years ago
I need help with this question.
Tom [10]

Answer:

2 1/8 is located on the first line after 2 and 1 3/4 i think is located on the 3rd line after one

Step-by-step explanation:

8 0
2 years ago
Can someone help me with this problem
Maksim231197 [3]
The area of a triangle is .5*b*h = .5x^2

.5x^2 = 27 so 

x^2 = 54

x = sqrt(54) = 7.3
5 0
3 years ago
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