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ArbitrLikvidat [17]
3 years ago
9

Given (−4, 8) and (−12, 7), find the component form of the vector ⃗⃗⃗⃗⃗ .

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
7 0

Answer:

Step-by-step explanation:

-4 - (-12), 8-7

= 8, 1

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Need help quick!! Cant figure this out
sladkih [1.3K]

Answer:

The average speed of the car, in miles per hour, from 17:30 to 19:42, is 119.167 meters per second.

Step-by-step explanation:

Physically speaking, average speed (\bar v), measured in miles per hour, is the distance travelled (\Delta s), measured in miles, divided by time (\Delta t), measured in hours. That is:

\bar v = \frac{\Delta s}{\Delta t} (1)

The time needed by the vehicle is:

\Delta t = 72\,min\times \frac{1\,h}{60\,min}

\Delta t = 1.2\,h

If we know that \Delta s = 143\,mi and \Delta t = 1.2\,h, then the average velocity of the car is:

\bar v = \frac{143\,mi}{1.2\,h}

\bar v = 119.167\,\frac{m}{s}

The average speed of the car, in miles per hour, from 17:30 to 19:42, is 119.167 meters per second.

5 0
3 years ago
Base area = 18 ft²<br> Volume=<br> 11 ft<br> 7
LekaFEV [45]

Answer:

nhddhdbndbd

Step-by-step explanation:

jh h benrheoek

6 0
2 years ago
What can be an equation of the line with a slope of −7 that passes through the point (−3,12).
laiz [17]

Answer:

y=-7x-9

Step-by-step explanation:

y=mx+b(where m is slope and b is y intercept)

y=-7x+b

plugging the number in we get

12=-7(-3)+b

12=21+b

b=-9

so y= -7x-9

if you find my answer helpful please mark as brainliest.

8 0
3 years ago
Solve each equation. check you solution.<br> (7t - 2) - (-3t + 1) = -3(1 - 3t)
Lynna [10]
(7t-2) - (-3t+1) = -3*(1-3t)
First distribute:
7t-2+3t-1 = -3+9t
Now get all the terms with 't' on the same side by subtracting/adding:
7t+3t-9t = -3+2+1
Combine the terms:
1t=0
t=0

Check:
Plug in 0 for t and see if both sides of the equation come out the same:
Does (7(0)-2) - (-3(0)+1) = -3(1-3(0))  ?
(-2) - (1) = -3(1)  ?
-3 = -3  ?
Yes! It works, so t=0! 
5 0
3 years ago
HELP PLEASE WILL CROWN BRAINLIEST!!
liubo4ka [24]

Answer:

-18 C°

Step-by-step explanation:

Warmed means add cooled means subtract

starting at -23 it warmed by 8 add 8

-15

it warmed by 3 more add 3

-12

then it cooled by 6 subtract 6

-18

8 0
3 years ago
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