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PolarNik [594]
2 years ago
10

Ou have traveled 25 miles in 2 minutes and come to a standstill. What was your initial velocity?

Mathematics
1 answer:
Illusion [34]2 years ago
4 0
If you traveled 25 miles in 2 minutes, your average speed was 25 miles per 2 minutes or 750 miles per hour. If your rate of deceleration was constant, your initial speed was two times 750 miles per hour or 1500 mph. 

<span>I do not have enough information to determine your initial velocity because I don't know what direction you were going, and velocity is speed with direction.</span>
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Jamie has a bag containing purple, pink, yellow, and blue marbles. There are a total of 40 marbles in the bag. Jamie randomly se
Ad libitum [116K]

Answer:

1 pink marble

Step-by-step explanation:

If Jamie selected 10 times the pink marble in a total of 420 tries, we can assume that the proportion of pink marble in the total number of marbles is:

10 / 420 = 1/42

So to predict a good number of pink marbles in the total 40 marbles, we just need to multiply the 40 marbles by the proportion found above:

pink marble = 40 * (1/42) = 0.9524

As this number needs to be a whole number, a good assumption is that there is 1 pink marble in the 40 marbles.

8 0
3 years ago
Please help me I honestly have zero clue how to answer this question
Iteru [2.4K]

Step-by-step explanation:

n = 3 \times 5 {}^{2}   \times  {x}^{3}

Square both sides of the equation.

{n}^{2}  = (3 {}^{2}  \times 5 {}^{4}  \times  {x}^{6} )

5 {n}^{2}  = 5(3 {}^{2}  \times  {5}^{4}  \times  {x}^{6} )

6 0
2 years ago
What is the slope of a line parallel to the line y=3x-4=8y+1
Lyrx [107]

Answer:  If the original equation is y = 3x -4,  the slope is 3.

Any equation of a line parallel to the line <u>y = 3x -4</u> will have a slope of 3.

Step-by-step explanation:

In slope-intercept form, y =mx + b the coefficient of x, m is the slope.

Here 3 is that value.

It is very unusual to have two equal signs in a question about slope.

I am not sure what to do with the <u><em>=8y + 1</em></u>

Is this supposed to be another equation in the system, missing a term?

4 0
3 years ago
Item 16 a dentist's office and parking lot are on a rectangular piece of land. the area (in square meters) of the land is repres
Lyrx [107]
For this case, the first thing we should do is use the following equation:
 x ^ 2 + x-30
 Here, we substitute the value of x = 20
 We have then:
 (20) ^ 2 + (20) -30 = 390 m ^ 2
 Answer:
 
the area of the land when the length of the dentist's office is 20 meters is:
 
390 m ^ 2
6 0
2 years ago
A microwave is placed on top of a stand. The stand is 3 feet 9 inches tall, and the microwave is 3 feet 11 inches tall. Together
Ivanshal [37]
3+3= 6ft
11+9= 20 inches
20-12= 8
So 7ft 8 inches tall together
8 0
3 years ago
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