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Scorpion4ik [409]
3 years ago
10

What is the formula of speed?

Mathematics
2 answers:
alexandr1967 [171]3 years ago
4 0

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

The formula to find average speed ~

\mathrm{ \dfrac{total \:  \: distance \:  \: covered}{total \:  \: time \:  \: taken} }

Formula for Instantaneous speed ~

\dfrac{ds}{dt}

where,

  • s represents distance covered

  • t represents time

It's derivative of distance with respect to time ~

hope it helps !

Galina-37 [17]3 years ago
3 0

Answer:

d/t

D= Distance

T= Time

Step-by-step explanation:

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Anon25 [30]

Answer:

2.17

Answer and Explanation:

The critical value of z for 97% confidence interval is 2.17, which is obtained by using a z score table, that is: {eq}P(-2.17 < Z <...

5 0
3 years ago
What is the answer to the math problem 5+9(2+4)?
IceJOKER [234]

Answer:

59

Step-by-step explanation:

Simplify the following:

5 + 9 (2 + 4)

2 + 4 = 6:

5 + 9×6

9×6 = 54:

5 + 54

5 + 54 = 59:

Answer:  59

6 0
3 years ago
Read 2 more answers
Simplify completely x^2+7x-30/x+10
marta [7]

Answer:

(x-3)

Step-by-step explanation:

we have

\frac{x^{2}+7x-30}{x+10}

step 1

Simplify the numerator

Complete the square

Equate the equation to zero

x^{2}+7x-30=0

x^{2}+7x=30

x^{2}+7x+3.5^{2}=30+3.5^{2}

x^{2}+7x+12.25=42.25

Rewrite as perfect squares

(x+3.5)^{2}=42.25

Take square root both sides

(x+3.5)=(+/-)6.5

x=-3.5(+/-)6.5

x=-3.5(+)6.5=3

x=-3.5(-)6.5=-10

therefore

x^{2}+7x-30=(x-3)(x+10)

substitute in the numerator

\frac{x^{2}+7x-30}{x+10}=\frac{(x-3)(x+10)}{x+10}=x-3

8 0
4 years ago
Find the midpoint of the segment below and enter its coordinates as an
kodGreya [7K]

Answer:

(\frac{5}{2}, 3)

Step-by-step explanation:

I got 5/2 as my x variable and 3 for my y variable to being the midpoint. In which I added both my x variables provided ( 3 and 2 ) and then I divided them by two to get half of that (since you are looking for in between those two digits technically so you are wanting to find the midpoint or the middle of that line segment). I also did the same with the two y variables as well which were 7 and -1, then I divided both by two to get the variable 3.

4 0
3 years ago
Read 2 more answers
A bag contains 10 blue, 6 green, and 4 red marbles. You choose a marble with one hand and then a second marble with the other ha
Sergeu [11.5K]

Answer:

6/95.

Step-by-step explanation:

Prob(red marble on the first choice) =  4/(10+6+4)

= 4/20

= 1/5.

Prob(green marble on the second draw) = 6/19.

Prob( read then a green)

= 1/5 * 6/19

= 6/95.

6 0
4 years ago
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