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VMariaS [17]
3 years ago
13

Could someone help with this i need it badly

Mathematics
1 answer:
Marrrta [24]3 years ago
7 0

Answer:

How can l help you?????????

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Vector u has its initial point at (15, 22) and its terminal point at (5, -4). Vector v points in a direction opposite that of u,
zzz [600]

Answer:

  D.  v=<20, 52>

Step-by-step explanation:

Vector u can be written in component form by subtracting its initial point from its terminal point:

  u = (5, -4) -(15, 22) = <-10, -26>

We are told that v = -2u, so ...

  v = -2<-10, -26> = <20, 52>

_____

Multiplying a vector by -1 reverses its direction; multiplying it by some factor k changes its magnitude by a factor of k. To reverse the direction and double the magnitude, we can multiply u by -2.

5 0
3 years ago
Any number that is divisible by 4 is also divisible by 8. Find a counterexample to show that the conjecture is false
kifflom [539]

' 4 ' itself is a fine counterexample. 
4 is divisible by  4  but not by  8 .

Any odd-multiple of  4  is another counterexample. 
In other words, only even-multiples of  4  are divisible by  8 .

7 0
3 years ago
Read 2 more answers
HJ= 5x -3, JK= 8x -9 and KH= 131
Fynjy0 [20]

Answer:

HJ = 52

JK = 79

Step-by-step explanation:

Hello, I want to assume you are trying to determine either HJ or JK. Below is an illustration of how to determine either HJ or JK.

From the question given above, the following data were obtained:

HJ = 5x – 3

JK = 8x – 9

KH = 131

If we draw a straight line, we'll observe the following:

H_______J_______K

KH = HJ + JK

Next, we shall determine the value of x.

HJ = 5x – 3

JK = 8x – 9

KH = 131

KH = HJ + JK

131 = (5x – 3) + (8x – 9)

131 = 5x – 3 + 8x – 9

Collect like terms

131 + 3 + 9 = 5x + 8x

143 = 13x

Divide both side by 13

x = 143 / 13

x = 11

Finally, we shall determine HJ and JK. This can be obtained as follow:

For HJ:

HJ = 5x – 3

x = 11

HJ = 5(11) – 3

HJ = 55 – 3

HJ = 52

For JK:

JK = 8x – 9

x = 11

JK = 8x – 9

JK = 8(11) – 9

JK = 88 – 9

JK = 79

6 0
4 years ago
Anthony received $150 for his birthday this year. This was $10 less than half the amount
vladimir2022 [97]

Answer:

320

Step-by-step explanation:

if he received 10 less than half then you would just have to add that 10 back and multiply by 2.

150+10=160*2=320

8 0
3 years ago
Read 2 more answers
Factor completely 5xy3 + 15x3y2 − 30x2y2. 5(xy3 + 3x3y2 − 6x2y2) 5x(y3 + 3x2y2 − 6xy2) 5xy2(y + 3x2 − 6x) Prime
Maslowich

Answer:

5xy^2(y + 3x^2 - 6x).

Step-by-step explanation:

5xy^3 + 15x^3y^2 − 30x^2y^2

The GCF is 5xy^2 so dividing through by this we get the factors:

= 5xy^2(y + 3x^2 - 6x).

4 0
4 years ago
Read 2 more answers
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