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prisoha [69]
3 years ago
14

(1,7.5) and (3,16.875)

Mathematics
1 answer:
Verizon [17]3 years ago
5 0
Whats the question????
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104 students responses 21 liked sledding as their favorite winter activity if 500 people had. Responded, how many would have bee
ankoles [38]
The writing is confusing, but as I understand it 21 is about 20% of 104 (21x100/104). The same prosentage of 500 equals 100,96 and I would round it to 101 (the answer of the first equasion x 500/100).
4 0
3 years ago
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Please help with geometry
Alexandra [31]
The way to do this is to set up a 30 degree angle in a coordinate plane in the first quadrant.  I say the first quadrant since the first quadrant goes from 0 to 90 degrees and 30 falls right in that interval.  Using the positive x-axis as the initial ray of the 30 degree angle and the terminal ray of the angle as the hypotenuse of a right triangle, if we drop a height from the end of the terminal ray to the x-axis we have formed said right triangle.  The angle at the origin is the 30 degree angle.  According to the Pythagorean triple for a 30-60-90 triangle, the side across from the 30 degree angle measures 1, which is the height of our triangle.  The side across from the 60 degree angle is square root of 3, which is the base of our triangle, and the hypotenuse is 2.  The cos identity is the ratio that utilizes the side adjacent to the reference angle over the hypotenuse, which for us is \frac{ \sqrt{3} }{2}.    That's the third choice down.  Finding an "exact" value means that they want you to NOT express your answer in decimal form. 
4 0
3 years ago
What is the equation for this line ?
konstantin123 [22]
(-2,7)(0,-1)
slope = (-1 - 7) / (0 - (-2) = -8/2 = -4

y = mx + b
slope(m) = -4
use either ofur points (0,-1)...x = 0 and y = -1
now we sub and find b, the y int
-1 = -4(0) + b
-1 = b

so ur equation is : y = -4x - 1 or if u need it in standard form, it is 
4x + y = -1

7 0
3 years ago
Which ordered pairs lie on the graph of the exponential function f(x)=2(x+4)−8f(x)=2(x+4)−8 ?
sergejj [24]
Simplify the equation
f(x) = 2x + 8 - 8
f(x) = 2x

Now substitute the x values 
f(24) = 2(24) = 48 
f(8) = 2(8) = 16
f(2) = 2(2) = 4
f(-2) = 2(-2) = -4

The correct answer is 4. (-2,-4)
6 0
3 years ago
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Solve each proportion for the variable. a.) 7/4 = n/12 b.) 8/y+4 = 6/y
Klio2033 [76]

Answer:

a)7/4= n/12

21=n

b) 8+4y=6

4y=-2

y=-1/2

Step-by-step explanation:


4 0
3 years ago
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