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8090 [49]
3 years ago
12

(on all odd numbered questions) can someone explain? Starting on "COPY AND COMPLETE THE STATEMENT"

Mathematics
1 answer:
shusha [124]3 years ago
6 0
It is asking you to convert them to different units of measurements.
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I need help asap !!!!!!!!
Marrrta [24]

Answer:

Page 1:  2u - 3v = < -7, 1 >

Page 2: < -7, 9 >

Step-by-step explanation:

Page 1:  Given u and v, we need 2u - 3v.  With vectors, you can multiply both terms by any scalar (the coefficient, i.e. 2u, the 2 is the scalar)

2u = 2<1, 2> = <2, 4>

3v = 3<3, 1> = <9, 3>

So 2u - 3v = <2, 4> - <9, 3> = <2 - 9, 4 - 3> = <-7, 1>

Page 2:  The same steps apply, but when you see i and j, the coefficient of the i term is the x value, and the coefficient of the j term is the y value, so

3u - 2v = 3< 1, 1> - 2<5, -3> = <3, 3> - <10, -6> = <3 - 10, 3 - (-6)> = <-7, 9>

8 0
4 years ago
Read 2 more answers
Twice the sum of a number and 3 is the same as 24 less than 7 times the number
kakasveta [241]
2(x+3)=7x-24
2x+6=7x-24
(move 7x to the left by subtracting from both sides, and move the 6 to the right by subtracting from both sides)
-5x=-30
(divide -5 from both sides to get x by itself, and because the 30 and 5 are both negative, two negatives make a positive)
x=6
hope this helped
7 0
4 years ago
Seventeen is equal to seven plus ten
alina1380 [7]

Answer:

yes

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
In the figure below, BD and AC are diameters of circle P.
VladimirAG [237]

Answer:

19 degrees

Step-by-step explanation:

vertical angles equal the same

4 0
3 years ago
Alonzo used a total of 2 and 5/6 gallons of gas while driving his car. Each hour he was driving, he used 3/10 gallons of gas. Wh
katen-ka-za [31]

That would be 2 5/6  / 3/10

= 17/6 / 3/10

= 17/6 * 10/3

= 85/9

= 9 4/9 hours answer

6 0
3 years ago
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