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Montano1993 [528]
3 years ago
9

A student guesses on every question of a multiple choice test that has 8 questions

Mathematics
1 answer:
astraxan [27]3 years ago
7 0
Ok? Where’s the rest of the question.
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Find the exterior angle of a regular decagon​
mamaluj [8]

Answer:

Exterior Angle = 36 degrees

Step-by-step explanation:

<u><em>Each interior angle of a regular decagon measures 144 degrees.</em></u>

=> <u><em>We'll subtract 144 from 180 to get the measure of the exterior angle.</em></u>

=> Exterior Angle = 180-144

=> Exterior Angle = 36 degrees

6 0
3 years ago
Convert y = 8x^2-80x-32 to vertex form by completing the square. ​
lidiya [134]

Answer:

y = 8(x-5)^2 -232

Step-by-step explanation:

Factor out the 8 to get

y = 8(x^2-10x-4)

y = 8(x-5)^2 -232

8 0
2 years ago
Read 2 more answers
Which expression is equivalent to -36 - 8?
Deffense [45]
-36-8 = -44

-36+(-8) = -44
third option
7 0
2 years ago
What can you conclude from her work? Check all that apply.
enot [183]

Answer:

first, third and last one

Step-by-step explanation:

10 0
3 years ago
Read 2 more answers
if the diameter of the concentric circles as shown in the given figure are in the ratio 1:2:3 then find the ratio of the areas o
Monica [59]

Answer:

1 : 4 : 9

Step-by-step explanation:

Given the ratio of diameters = a : b , then

ratio of areas = a² : b²

Here ratio of diameters = 1 : 2 : 3 , so

ratio of areas = 1² : 2² : 3² = 1 : 4 : 9

5 0
3 years ago
Read 2 more answers
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