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azamat
3 years ago
15

1. 2. 3. please help me

Mathematics
1 answer:
Phoenix [80]3 years ago
5 0
Answer: 4.98

Explanation: a1 is the number that is in front of the parenthesis. R is the number inside the parenthesis. N is the number you are trying to find. This is usually located on top of the sigma. Plug this all in a calculator, and you should get this answer.

Hope this helps!!!

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Find the coordinates of the midpoint of a segment with the given endpoints W(-12, -7), T(-8, -4)
jasenka [17]

Finding the midpoint coordinates of any segment really boils down to finding the midpoints of each individual coordinate.

The x-coordinates of the two points are -12 and -8 - the number halfway between those two is -10, so that'll be the midpoint's x-coordinate. The y-coordinates are -7 and -4 - -5.5 is halfway between these two, so the y-coordinate will be 5.5.

Putting the two together, the midpoint of the segment WT has the coordinates (-10, -5.5).

4 0
3 years ago
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Which is a counterexample for conditional statement shown? If two distinct points are graphed on a coordinate plane, then the li
Ilya [14]

Answer:

It's A: The points have the same x-coordinate value.

8 0
3 years ago
0 of 10
Aleksandr-060686 [28]

Answer:

1038

Step-by-step explanation:

you add 308 and 730

4 0
3 years ago
A combination of numbers and operations is called formula: true or false?
FinnZ [79.3K]

Answer:

true

Step-by-step explanation:

its actually false

4 0
3 years ago
USE A MODEL Olivia and her brother William had a bicycle race. Olivia rode at a speed
Anni [7]

Answer:

Let the total distance Aileen ran be 'x'

Let the distance ran by Andrew be 'y'

Refer to graph attached for graphical representation of distance travelled by both.

Applying the formula,

distance=speed*time

x=20*t      Equation  1

y= 15*t       equation 2

Since it can be easily understood by the graph attached, that

x=150+y  equation 3

Now putting values of x and y in equation 3

20*t =150 +15*t.

5t= 150

t=30 seconds.

putting the values of t in both the equation 1 and 2

x=20t

=20*30

x  = 600 feet

So the distance ran by Aileen is 600 feet, whereas Andrew ran 450 feet.

Step-by-step explanation:

Do not mind the names just change them. I had the same question before with different names so that is why. Hope this helps:)

7 0
2 years ago
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