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vlabodo [156]
3 years ago
12

Determine the 16th term of the sequence9, 18, 36....r________?​

Mathematics
1 answer:
raketka [301]3 years ago
4 0

Answer:

a = 9 \\ d = 9 \\ a_{16}   = a + 15d   = 9 + 15 \times 9 = 9 + 135 \\  =  >  a_{16} = 144 \\  =  =  =  =  =  =  =  =  =  =

HOPE U UNDERSTOOD

PLEASE COMMENT

THANKS..

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Last one I promise plz help
yuradex [85]

Answers:

Perimeter = 58.5 centimeters

Area = 163.15 square centimeters

===============================================

Explanations:

To get the perimeter, you add up the three exterior (aka outer) sides. So you add up everything but the length measuring 13 cm, as this segment is not on the outside of the triangle. Imagine this is a parking lot and you want to put fencing around the outer sides. You won't build any fencing to run through the middle of the lot (assuming you don't want to subdivide)

So we add up 15.4, 18 and 25.1 to get 15.4+18+25.1 = 58.5 centimeters. The units stay at centimeters. We don't go to "square centimeters" like we do with the area below.

------------

To get the area of the largest triangle, we multiply the base and height, then divide by 2. The base is always perpendicular to the height

base = 25.1

height = 13

area = base*height/2 = 25.1*13/2 = 163.15 square cm

You write "square" before the "cm" to indicate the proper units for the area. Think of a 1 cm by 1 cm rectangle which has area of 1*1 = 1 square cm. This idea applies to triangles as well because we can subdivide the triangle into smaller squares, or you can move one piece of a triangle to another side to reshape the figure into a rectangle.

4 0
4 years ago
A van is traveling 1.5 kilometers per minute. Approximately how fast is the van traveling in miles per hour?
Alik [6]
The van is traveling about 55.9 miles per hour.
4 0
3 years ago
Need an explanation
aleksandrvk [35]

Answer: Choice B

(6\sqrt{5}+5)i

==========================================================

Work Shown:

\sqrt{-5}+\sqrt{-25}+\sqrt{-125}\\\\\sqrt{-1*5}+\sqrt{-1*25}+\sqrt{-1*25*5}\\\\\sqrt{-1}*\sqrt{5}+\sqrt{-1}*\sqrt{25}+\sqrt{-1}*\sqrt{25}*\sqrt{5}\\\\i*\sqrt{5}+i*5+i*5*\sqrt{5}\\\\i*\sqrt{5}+5i+5i*\sqrt{5}\\\\(i\sqrt{5}+5i*\sqrt{5})+5i\\\\(\sqrt{5}+5\sqrt{5})i+5i\\\\(6\sqrt{5})i+5i\\\\(6\sqrt{5}+5)i\\\\

This points us to answer choice B

7 0
3 years ago
What is a soliloquy in a drama?
jolli1 [7]
This is not mathematics but ok......
soliloquy is when someone on stage speaks to them self as if thinking in their mind, expressing their thoughts and emotions, conveying them to the audience.
4 0
3 years ago
Read 2 more answers
And isosceles triangle has a bird types angle of 21. 21°. The two sides of the triangle reach 17.91 feet long. Find the area of
Luden [163]

17.91*21=376.11

i used one side of the triangle because both sides are equal



8 0
3 years ago
Read 2 more answers
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