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____ [38]
3 years ago
12

Use the summation formula to find a partial sum of a series with the following properties

Mathematics
1 answer:
Otrada [13]3 years ago
4 0

Answer:

-36,047.

Step-by-step explanation:

Sum of n terms =  a1 .( r^n - 1) / (r - 1)

So Sum of 7 terms =  -11 . ((-4)^7 - 1 / (-4-1)

= -11 *  -16,385 / -5

= -36,047.

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Plz i need help walk me through it, thanks​
SVETLANKA909090 [29]

Answer:

p=36^{\circ}

Step-by-step explanation:

We can prove that a tangent will always be perpendicular to the radius touching it. So, the other angle in the diagram is 90^{\circ}.

Because all the angles of a triangle sum to 180^{\circ}, we have that p+54+90=180.

We combine like terms on the left side to get p+144=180.

We subtract 144 on both sides to get p=36.

So, \boxed{p=36^{\circ}} and we're done!

6 0
3 years ago
You have a can that is in the shape of a cylinder. It has a volume of about 1,728 cubic centimeters. The height of the can is 22
Harlamova29_29 [7]

Answer:

v=pi.r^2.h

1728=3.14*22r^2

1728/69.08=r^2

r^2=25.0144

r=5

8 0
3 years ago
What happens when the line and the slope increase and decrease
Ilya [14]
When you use this formula slope = rise/run like rise over run than you find the slope. rise me y and run means x. So when the line slopes downwards to the right it became negative slope as x increases and when line sloped upward to the right the slope become positive as y decreases. 

formula to find slope: slope = rise/run or y/x
8 0
3 years ago
Two numbers total 65 and have a difference of 33. What are the two numbers?
victus00 [196]

Answer:

32 and 33

Step-by-step explanation:

65-33=32

32+33=65 hope this helps

3 0
3 years ago
Given the polynomial 2xcube + 5xsquare + 3x +4 what is it’s value when x= 10
Rashid [163]

Answer:

2534

Step-by-step explanation:

2x^3+5x^2+3x+4

x=10, so:

2(10)^3+5(10)^2+3(10)+4

2000+500+30+4

Answer: 2534

7 0
3 years ago
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