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Slav-nsk [51]
3 years ago
8

Mhhhhhhhhhh welppp i need help

Mathematics
2 answers:
alexdok [17]3 years ago
8 0
No it doesnt pass the vertical line test
Dahasolnce [82]3 years ago
6 0

Answer:

It does not pass the vertical Line test, because the vertical line test is when you put a line through a something like this circle and if it passes throug it more the once it is not a line.

Step-by-step explanation:

Hope this help.

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What is the greatest integer n that satisfies 100^2 - n^2 = n^2 - 100^2
Anika [276]

Answer:

n = 100, -100

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
What is the range of the function graphed?<br> 1 -3 -2 -3
Liono4ka [1.6K]
Rang(1,2,3,4) only X, Y mean the domain
4 0
3 years ago
A recipe for banana pudding calls for 2 cups of flour and 1 1/2 cups of butter. If 5 cups of flour were used, how many cups of b
8090 [49]

Answer:

You would need a total of 3 3/4 cups. First double the amount of butter= 3 cups, then half 1 1/2 cups for the last cup of flour which would be 3/4. Add them together, it would equal 3 3/4 cups.

Step-by-step explanation:


4 0
2 years ago
a physics student stands at the top of a hill that has an elevation of 56 meters. He throws a rock and it goes up in the air and
babunello [35]
The answer is 57.04 meters. 
Solution:
The height y of the rock above the ground as a function of the horizontal distance x from the starting point on top of the hill can be modeled by the equation 
     y = -0.04x^2 + 1.3x + 56

We now set this equation equal to zero because the height of the ground where the rock will land is zero:
     0 = -0.04x^2 + 1.3x + 56

Since we have a quadratic equation, we can calculate for the horizontal distance x by using the quadratic formula     
     x = [-b ± sqrt(b^2 - 4ac)] / 2a      
     x = {-1.3 ± sqrt[1.3^2 - 4(-0.04)(56)]} / 2(-0.04)     
     x = (-1.3 ± sqrt(10.65)) / (-0.08)     
     x =  -24.54 meters or  57.04 meters
There are two solutions for x but one is negative, so we choose the positive value. 
5 0
3 years ago
Use the dot product to find |v| when v=(7,24) a. 25 b. -17 c. 31 d. 625
Fed [463]
Dot product has the following definition:
\textbf{a}\cdot \textbf{b}=|a| |b| cos(\theta)
Where \theta is the angle between two vectors and |a|, |b| are their lengths. 
The dot product of the vector with itself will give you the square of its length.
\textbf{a}\cdot \textbf{a}=|a| |a| cos(0)=|a| |a|=|a|^2
If you are given end points of a vector dot product is defined in the following fashion:
a=[a_1,a_2,a_3]\\ b=[b_1,b_2,b_3]\\ \textbf{a}\cdot \textbf{b}=\textbf{a} \sum b_i \textbf{e}_i= \sum b_i (\textbf{a} \cdot \textbf{e}_i)= \sum b_i a_i
\textbf{a}\cdot \textbf{a}=\sum a_i^2
Where \textbf{e}_i are unit vectors. These are vectors of a unit length and they span in direction of a coordinate axis (if you are working with Cartesian<span> coordinate system). If you do a dot product of a unit vector of x-axis and unit vector of y-axis you get zero, because the angle between them is 90 degrees. 
</span>Now we can apply the above formula to this problem:
v= [7,24]\\ \textbf{v}\cdot \textbf{v}=|v|^2=(7\cdot 7)+(24\cdot 24)=625\\ |v|=\sqrt{625}=25
So the answer is A.
This formula will give you the length of a vector in Euclidian geometry:
|a|=\sqrt{a_1^2+a_2^2+a_3^3
Where a_i are the coordinates of the end point of that vector.
7 0
3 years ago
Read 2 more answers
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