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dedylja [7]
3 years ago
10

This the questions that have me stuck​

Mathematics
1 answer:
IRINA_888 [86]3 years ago
4 0
First a and then b.
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What additional information is necessary to prove that SILY is a parallelogram
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Answer:

Are the sides parallel?

Step-by-step explanation:

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Chloe is saving for a laptop that cost 580 if She earns $40 each week, how long will it take her to buy the laptop
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0.2343217 Is it rational or irrational
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Find the coordinates of the point (x,y,z) on the planez=4x+3y+1 which is closest to the origin.
Nataliya [291]
Given plane Π : f(x,y,z) = 4x+3y-z = -1
Need to find point P on Π  that is closest to the origin O=(0,0,0).

Solution:
First step: check if O is on the plane Π : f(0,0,0)=0 ≠ -1 => O is not on Π
Next:
We know that the required point must lie on the normal vector <4,3,-1> passing through the origin, i.e. 
P=(0,0,0)+k<4,3,-1> = (4k,3k,-k)
For P to lie on plane &Pi; , it must satisfy
4(4k)+3(3k)-(-k)=-1
Solving for k
k=-1/26
=>
Point P is (4k,3k,-k) = (-4/26, -3/26, 1/26) = (-2/13, -3/26, 1/26)
because P is on the normal vector originating from the origin, and it satisfies the equation of plane &Pi;
Answer: P(-2/13, -3/26, 1/26) is the point on &Pi; closest to the origin.

8 0
3 years ago
What is the value of x?
svet-max [94.6K]

Answer:

ur getting suspended

Step-by-step explanation:

im ur teacher

3 0
3 years ago
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