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MatroZZZ [7]
3 years ago
6

Find the area of a triangle with base 8 and height 17

Mathematics
2 answers:
Nadya [2.5K]3 years ago
6 0
Area for a triangle is bh/2 so for this triangle it'd be 8•17/2 = 68 squared units
Alexeev081 [22]3 years ago
5 0
Well, it is quiet simple. Since, I have both the base and the height, I would say the are is 68.
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What is the surface area of the cylinder
Hitman42 [59]

Answer:

In terms of pi: 164.5pi cm squared

Substituting pi for 3.14: 516.53 cm squared

Step-by-step explanation:

3.5^2 = 12.25pi

12.25*2 = 24.5pi

7pi*20 = 140pi

140 + 24.5 = 164.5pi

164.5*3.14 = 516.53

5 0
2 years ago
Caitlin says that AC is the longest segment of fencing becasue it is opposite 68 degrees, the largest angle measure in the figur
Daniel [21]
What shape is the figure?
6 0
3 years ago
Linda goes water-skiing one sunny afternoon. After skiing for 15 min, she signals to the driver of the boat to take her back to
trasher [3.6K]
60 = a * (-30)^2
a = 1/15
So y = (1/15)x^2


abc)
The derivative of this function is 2x/15. This is the slope of a tangent at that point.
If Linda lets go at some point along the parabola with coordinates (t, t^2 / 15), then she will travel along a line that was TANGENT to the parabola at that point.
Since that line has slope 2t/15, we can determine equation of line using point-slope formula:
y = m(x-x0) + y0
y = 2t/15 * (x - t) + (1/15)t^2
Plug in the x-coordinate "t" that was given for any point.


d)
We are looking for some x-coordinate "t" of a point on the parabola that holds the tangent line that passes through the dock at point (30, 30).
So, use our equation for a general tangent picked at point (t, t^2 / 15):
y = 2t/15 * (x - t) + (1/15)t^2
And plug in the condition that it must satisfy x=30, y=30.
30 = 2t/15 * (30 - t) + (1/15)t^2
t = 30 ± 2√15 = 8.79 or 51.21
The larger solution does in fact work for a tangent that passes through the dock, but it's not important for us because she would have to travel in reverse to get to the dock from that point.
So the only solution is she needs to let go x = 8.79 m east and y = 5.15 m north of the vertex.
4 0
3 years ago
The sum of 4 consecutive integers is 40 what is the third number in this sequence?
Dmitry [639]
Let's represent the numbers by : x, x+1, x+2, x+3
x+x+1+x+2+x+3=40                     The third number in the sequence is x+2
4x+6=40                                           8.5+2=10.5
4x+6-6=40-6                               Therefore the third number in the sequence is
4x=34                                             10.5
4x/4=34/4
x=8.5
3 0
3 years ago
MODELING REAL LIFE The formula K = C + 273.15 converts temperatures from Celsius C to Kelvin K.
Bingel [31]

Answer:

a. 473.15

b. C=K-273.15

C. 26.85

8 0
2 years ago
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