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VMariaS [17]
3 years ago
14

Can someone answer this please Questions 19 and 21

Mathematics
1 answer:
Olegator [25]3 years ago
3 0

Answer:

Wind speed

Another very old approach to measure wind speed is through the use of a pressure tube

Microbars per second

Earthquake intensity

The currently accepted method is the moment magnitude scale, which measures the total amount of energy released by the earthquake.

The Richter scale is used to determine the intensity of earthquakes

Step-by-step explanation:

You might be interested in
8minus 2n +3p has how many terms
Sunny_sXe [5.5K]

Answer:

It has two terms.

Step-by-step explanation:

4 0
3 years ago
What’s the linear equation for (1,21)(2,33)(3,45)(4,57)
nalin [4]

The linear equation representing the above said pair of points is "y=12x+9"

Step-by-step explanation:

The given set of points are  

x Y

1 21

2 33

3 45

4 57

For finding the linear equation for the given sets of value

We must know the generic form of a linear equation is y=m*x + c

m= slope of the line where y= Δy/Δx  

Δy= change in y value

Δx= change in x value

Thus slope ”m” = 33-21/2-1 = 12

we put slope “m” in the equation which becomes y=12x+c

Now we put any of the set value in the equation

33= 12*2+c ∴ c=9

Hence required linear equation is y=12x+9

7 0
3 years ago
Find the sum of a finite arithmetic sequence from n = 1 to n = 10, using the expression 3n − 8.
maw [93]

Answer:

The answer is 85

Step-by-step explanation:

The equation used to find the sum of an arithmetic series is: (n/2) * (a1 + an).

n in this case is 10 (the number of numbers in the series)

an is 22 (plug in 10 to the expression 3n-8)

and a1 is -5 (plug in 1 to the expression 3n-8)

so when you plug everything in to the final equation, you get

(10/2) * (-5 + 22)

5 * 17

85

8 0
4 years ago
I need help the question is solve the equation n+75=155​
SashulF [63]
All you need to do for this is 155-75 which would be 80 :) hope this helps
5 0
3 years ago
Read 2 more answers
what is 9z+2=6z-10-z-4 we have to do something called railroad tracks where we put lines down the sides of the equal sign but I
Colt1911 [192]
You want to solve for 'z'.
First combine like terms on either side of the equal sign.

Left side:  9z +2  ----> No like terms, leave alone

Right side: 6z - 10 -z - 4  ----> circle like terms and add
                    6z -z = 5z
                   -10 -4 = -14
Now the equation is:
9z + 2 = 5z - 14

Get all the 'z' terms on the left side and all the numbers on right side.
You can move a term to the other side if you flip the sign.

Move 5z to left side, flip the sign to -5z
Move '2' to right side, flip the sign to -2

9z - 5z = -2 -14

Add like terms
4z = -16

Divide by 4 on both sides
z = -4
3 0
3 years ago
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