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notka56 [123]
3 years ago
15

34 students in Mr. Jones’s math class passed the final exam. There are 40 students in his class total. What Percent of students

passed?
Mathematics
2 answers:
solniwko [45]3 years ago
8 0

Answer:

85%

Step-by-step explanation:

faltersainse [42]3 years ago
5 0

Answer:

85%

Step-by-step explanation:

100\%  >  40 \\  40\div 40 \\  \frac{100\%}{40}  > 1 \\  \frac{100\%}{40}  \times 34 = 85\%

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Find the derivative of f(x) = (1 + 6x2)(x − x2) in two ways.
ipn [44]
Using product rule;

f(x)=(1+6x²)(x-x²)

f'(x)=(12x)(x-x²) + (1-2x)(1+6x²) = 12x² -12x³ +1 +6x² -2x -12x³ = -24x³ +18x² -2x +1

Solving the bracket first;

f(x)=(1+6x²)(x-x²) = x -x² +6x³ -6x^4

f'(x)= 1 -2x +18x² -24x³ = -24x³ +18x² -2x +1

3 0
3 years ago
Find the height of a square pyramid that has a volume of 75 cubic feet and a base length of 5 feet.
Rudiy27

Answer:

9 ft

Step-by-step explanation:

Let's begin with the formula for the volume of a square pyramid.  If s is the base length, then the area of the base is s^2.  The volume of the pyramid is then V = (1/3)(base area)(height).  We know the volume and the base length (s), and want to find the height.  Solving V = (1/3)(base area)(height)

for height, we get:

3V = (base area)(height), or

    3V

---------------- = height

base area

Substituting 75 ft^3 for V and (5 ft)^2 for base area, we get:

               3(75 ft^3)              9 ft

height = ------------------ = ----------------- = 9 ft

                 25 ft^2                   1

3 0
3 years ago
I need some help pleaseeeee
Kruka [31]

Answer:

F

Step-by-step explanation:

The perimeter of the scale drawing is 18 inches. 72 divided by 18 is 4.

I hope this helps!

5 0
3 years ago
the length of a rectangle in (3+√7) and it's with is (1+2√7). what is the area of the rectangle? what is the perimeter of the re
Eddi Din [679]

Answer:

Area: (3+√7) x (1+2√7) = 17+7√7 = 35.52

Perimeter: 2(3+√7) + 2(1+2√7) = 8+6√7 = 23.87

7 0
3 years ago
Graph the linear equation y=-2/5x+2
Anvisha [2.4K]
Start at (0,2) and draw a dot. Then, go up 2 units, and right 5 times. Draw a dot. Now connect the 2 dots and extend the line.

Now, it's graphed! :)
4 0
3 years ago
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