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Juliette [100K]
3 years ago
15

Find the sum of the geometric series 6Σ3i i=2

Mathematics
1 answer:
topjm [15]3 years ago
6 0

\sum_{3}^{6}2=\sum_{0}^{3}2=2+2+2=\boxed{6}

Or did you mean:

6\times\sum{3i}=6\times\sum{6}=6\times6=\boxed{36}

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use the substitution method to solve the system of equations . choose the correct ordered pairs x+y=5 y=7 A.(12,7) B.(-12,7) C.
Alex

Answer:

<em>C. (-2, 7)</em>

Step-by-step explanation:

Put y = 7 to the equation x + y = 5:

x + 7 = 5          <em>subtract 7 from both sides</em>

x = -2


4 0
3 years ago
I feel like crying please help me
LekaFEV [45]
Hey there!

To start, the slope intercept equation format is y=mx+b where m=the slope and b=the y-intercept.

Because you appear to have a coordinate set to plug in for x and y as well as a slope of 4, you can plug your known values into the slope intercept equation:
y=mx+b
coordinate: (1,6)
y=6 (the y value of the coordinate point)
x=1 (the x value of the coordinate point)
m=4 (the slope of the equation, given)

6=4(1)+b

Because b, your y-intercept is your only missing value, you can simplify your equation and solve for b:
6=4(1)+b
6=4+b
b=2

Now that you have your two needed values, your slope and your y-intercept, your final equation should be y=4x+2, or the third choice.

Hope this helps and I hope you have a wonderful rest of your day! :)
8 0
3 years ago
Angle 3 and angle 4 form a linear pair. The measure of Angle 3 is four more than three
mel-nik [20]

Answer:

angle 3. ( x ) is 136°

angle 4 ( y ) is 44° !!

Step-by-step explanation:

Let angle 3 be x and angle 4 be y

Given, Angle 3 and angle 4 form a linear pair

x + y = 180 [ sum of linear pair angle is 180 ] ... ( i )

Also, The measure of Angle 3 is four more than three

The measure of Angle 3 is four more than threetimes the measure of angle 4.

x = 4 + 3y .... ( ii )

Putting value of x from ( ii ) in ( i )

4 + 3y + y = 180

4y = 176

y = 44

Also, x + y = 180 => x = 180 - 44 = 136

7 0
2 years ago
It takes Lara 1/3 hour to walk to the library 3/4 mile away. What is her walking pace?
stiv31 [10]
2 1/4 miles per hour.
6 0
2 years ago
Read 2 more answers
Which inequality represents a number n that is less than or equal to 3 but greater than -2?
Kisachek [45]
-2 < n \leq 3

This inequality basically says "-2 is less than n, which is less than or equal to 3".

Mark as brainliest if this helped! :)
5 0
2 years ago
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