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julia-pushkina [17]
3 years ago
5

Two cars start from the same point on flat ground. The first car drives off directly North 25 ms^-1. Two seconds later the secon

d car drives off directly East at 20 ms.^-1 After how many seconds are they 1 km apart?​
Mathematics
1 answer:
ale4655 [162]3 years ago
8 0

Answer:

1)jungkook

2)jimin

3)jin

4)RM

5)Jhope

6)suga

7) V

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(-1,-2) and (3, -162) a. Is there a line th(at goes through these two points? How do you know? If there is one, what is the equa
lana [24]

Answer:

The equation of line for given points is y = - 40 x - 42  

Step-by-step explanation:

Given two points as :

( -1 , - 2 )  and ( 3 , - 162 )

Now, Equation of line in points form

y - y_1 = m × ( x -  x_1 )

Where m is the slope of line

And, m = \frac{y_2 - y_1}{x_2 - x_1}

or, m = \frac{ - 162 + 2}{ 3 + 1}

or, m =  \frac{ - 160}{ 4}

∴   m = - 40

So, Slope of line for given points is - 40

Now equation of line can be written as

y - ( - 2 ) = ( - 40 ) × ( x -  ( - 1 ) )

or, y + 2 =  ( - 40 ) × ( x + 1 )

or, y + 2 = - 40 x - 40

or, y = - 40 x - 40 - 2

∴  y = - 40 x - 42        

Hence the equation of line for given points is y = - 40 x - 42    Answer

4 0
2 years ago
While preparing for a morning conference, principal Corsetti is laying out 8 dozen bagels on square plates. Each plate can hold
timofeeve [1]

Answer:

Step-by-step explanation:

We have 8 dozen bagels, or 8*12=96 bagels.  Each plate can hold 14 bagels, so we have enough bagels to fill 96/14=about 6.86 plates.  However, we cannot have a fraction of a plate, so we round up to have a total of seven plates.  To fill all seven plates fully, 7*14=98 bagels would be needed, which is two more than we have.

To summarize, Mr. Corsetti has seven plates of bagels, and would need two more bagels to fill the last one up.

7 0
2 years ago
Write 28 + 24 as a product of two factors using the GCF and the distributive property
Harman [31]

Answer:

4 x 13

Step-by-step explanation:

GCD of 28 and 24 is 4

28 = 4 x 7

24 = 4 x 6

u take the 4 out

4 (7 + 6)

4 x 13

6 0
2 years ago
Read 2 more answers
In a recent survey, students were asked how long they play video games in one sitting. The interquartile range of
Alex Ar [27]

Answer:

The middle half of the video game data has a range that is 43 minutes wide.

Step-by-step explanation:

Thats the answer on Edguinity I took the Quiz.

5 0
3 years ago
Solve /x-5/=3<br> A. x=2, x=8<br> B. x=-8, x=8<br> C. x=-2, x=2<br> D. x=-8, x=-2
zhenek [66]

Answer:

A) x=2, 8

Step-by-step explanation:

abs(x-5)=3

x-5=3, x-5=-3

x=3+5=8,

x=-3+5=2

5 0
2 years ago
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