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All Questions
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153494 Questions
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24
3
Inverses of Matrices!!
Please, I need help ASAP :( Two questions:
question 1:
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Guest
Oct 9, 2019
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29
1
math help
thank you
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Guest
Oct 9, 2019
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20
1
help
Suppose that f is a polynomial such thatWhat is the degree of f?
ElectricPavlov
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Guest
Oct 9, 2019
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26
3
this too please
Given that the point (9,7) is on the graph of y=f(x), there is one point that must be on the graph of . What is the sum of coordinates of that point?
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Guest
Oct 9, 2019
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25
3
+1228
can someone help me with this?
A map of the town that Hannah lives in can be represented by the Cartesian plane. Hannah starts off at (-4, 9) and walks 10 units to the left and 7 units down to get to her new location. Along what line could she have walked to get to the new location
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ElectricPavlov
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Logic
Oct 9, 2019
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23
1
why -1 to any degree = -1
why -1 to any degree = -1
Rom
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Guest
Oct 9, 2019
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26
1
precalc help
What's the matrix that rotates vectors by pi/6 counterclockwise?
Rom
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Guest
Oct 9, 2019
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22
0
Let $\mathbf{v}$ and $\mathbf{w}$ be vectors such that \[\operatorname{proj}_{\bold{w}}( \bold{v} )= \begin{pmatrix} 4 \\ -7 \end{pmatrix}.\
Let v and w be vectors such that
Find .
Guest
Oct 9, 2019
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27
6
How to find the semi minor axis in an ellipse?
how do i find the the distance from the origin to the endpoint of the vertical axis.
ElectricPavlov
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Guest
Oct 9, 2019
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31
1
HELP PLS ASAP!!!
Consider the line parametrized by
Find a vector that's parallel to this line and satisfies .
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Guest
Oct 9, 2019
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22
1
+770
Find the reasonable domain and range for the function
A construction company uses beams that are 2, 3, or 4 meters long. The measure of each beam must be converted to centimeters. Write a function to describe the situation. Find the reasonable domain and range for the function. (Hint: 1 m= 100 cm)
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macabresubwoofer
Oct 9, 2019
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33
1
Science
A planet has an orbital period of 3.24 years. What is the average distance of the planet from the sun? 2.19 AU 5.83 AU 10.5 AU 34.01 AU
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Guest
Oct 9, 2019
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29
2
Equatiuon help
what is (3x)^2-4y^2 if x=-2 and y=-3
ElectricPavlov
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Guest
Oct 9, 2019
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42
6
+1275
phyiscs help
i apologize in advance for any spelling erros, i just really need some help
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jjennylove
Oct 9, 2019
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24
2
circle application help
any help would be welcomed thank you
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Guest
Oct 9, 2019
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23
1
Let C be the circle with equation . If (a,b) is the center of C$ and r is its radius, what is the value of a+b+r?
Let C be the circle with equation . If (a,b) is the center of C$ and r is its radius, what is the value of a+b+r?
ElectricPavlov
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Guest
Oct 9, 2019
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18
1
HELP PLEASE
Three of the four vertices of a rectangle are (5, 11), (16, 11) and (16, -2). What is the area of the intersection of this rectangular region and the region inside the graph of the equation ? Express your answer in terms of .
ElectricPavlov
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Guest
Oct 9, 2019
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30
9
+367
i have a test tomorrow and i am stressing out so much...
does anybody have any tips...I don't know why but i feel really really really stressed out and i feel like i won't do well even though i studied a lot.
ahdhjsahdksahk
:( im sorry if this was off topic but like djkajs
off-topic
Rom
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Nirvana
Oct 9, 2019
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15
1
HELP PLEASE . A parabola with equation y=x^2+bx+c passes through the points (2,3) and (4,3). What is c?
A parabola with equation y=x^2+bx+c passes through the points (2,3) and (4,3). What is c?
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Guest
Oct 9, 2019
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19
1
Which graph represents the piecewise-defined function?
Which graph represents the piecewise-defined function?
https://prnt.sc/pgqh00
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Guest
Oct 9, 2019
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19
0
Directional Derivative Help
Calculate the directional derivative of f at a parallel to u. f(x,y)=e^x-x^2y a=(1,2) u=2i+j
Also, please explain how you do it.
Guest
Oct 9, 2019
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27
1
HELP PLS The Cookie Monster encounters a cookie whose boundary is the equation x^2+y^2 + 21 = 4x + 18 y and is very confused. He wants to kn
The Cookie Monster encounters a cookie whose boundary is the equation x^2+y^2 + 21 = 4x + 18 y and is very confused. He wants to know if this cookie is a lunch-sized cookie or a snack-sized cookie. What is the radius of this cookie?
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Guest
Oct 9, 2019
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27
2
HELP ASAP PLS . How many y-intercepts does the graph of the parabola x = y^2 - 4y - 1 have?
How many y-intercepts does the graph of the parabola x = y^2 - 4y - 1 have?
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Guest
Oct 9, 2019
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80
4
Please help asap
1) Complex number z lies on the circle centered at 0 with radius 5. What is
?
(The magnitude of z, denoted by , equals the distance from the z to the origin on the complex plane.)
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Guest
Oct 9, 2019
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