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muminat
3 years ago
12

The ______ of a vector v is produced by subtracting the coordinates of the initial point from the corresponding coordinates of t

he terminal point.
Mathematics
1 answer:
Alla [95]3 years ago
4 0

Answer:

< y_2-y_1,x_2-x_1>

Step-by-step explanation:

Let the coordinate of initial point is (x_1,y_1) and the final that is coordinate of the terminal point is (x_2,y_2) we have to find the vector which formed by subtraction of final point that is terminal point and the initial point

So the vector will be < y_2-y_1,x_2-x_1>

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Tara and jodys bedrooms are shaped like rectangles . Tara bedroom is 9 feet long and 8 feet wide. jodys bedroom is 7 feet long a
evablogger [386]
We know that the area of a rectangle is A=L*W
A of Tara's bedroom,
A(Tara)=9*8=72 square feet
A(Jody)=7*10=70 square feet

Tara's bedroom has a greater area
7 0
3 years ago
Expand this expression (x-y)²<br>​
pochemuha

Answer:

x^2 - 2xy + y^2.

Step-by-step explanation:

(x - y)^2

= (x - y)(x - y)

= x(x -y) - y(x - y)

= x^2 - xy - xy + y^2

= x^2 - 2xy + y^2.

8 0
2 years ago
True or False. i think this is easy but
inna [77]

Answer:

of course its true

Step-by-step explanation:

8 0
3 years ago
The coffee Lily likes is composed of 97.3% water and 2.7% cocoa. The coffee John likes is composed of 96% water and 4% cocoa. Ho
mestny [16]

30 ounces of the coffee John likes consists of

  • 0.96\cdot30=28.8 ounces of water
  • 0.04\cdot30=1.2 ounces of cocoa

To this mixture we're adding x ounces of water, so that the new mix has a total volume of 30+x ounces and matches the composition of the coffee Lily likes. This means it would consist of

  • 0.973\cdot(30+x)=28.8+x ounces of water
  • 0.027\cdot(30+x)=1.2 ounces of cocoa (same amount of cocoa as before because pure water is being added)

Solve for x:

0.973(30+x)=28.8+x\implies29.12+0.973x=28.8+x

\implies0.39=0.027x

\implies x\approx14.4

###

Just to confirm: the new mixture consists of

  • 28.8+14.4=43.2 ounces of water
  • 1.2+0=1.2 ounces of cocoa

giving a total volume of 43.2+1.2=44.4 ounces of coffee, and \dfrac{43.2}{44.4}\approx0.973, as required.

4 0
3 years ago
6. In a class 85% of the students were present on a
Effectus [21]

Answer:

I think it's 6 kids absent

Step-by-step explanation:

Hope this helps

5 0
3 years ago
Read 2 more answers
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