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MrRissso [65]
3 years ago
12

The exterior angles of an octagon are 42°, 55°, 39°, 20°, 62°, 45°, and 47°. What is the measure of the eighth exterior angle? S

how equations and all work that leads to your answer.
Mathematics
2 answers:
kow [346]3 years ago
8 0

Answer:

kaevras is correct.

Step-by-step

The sum of all the sides equals 310. And 360 - 310 = 50.

marysya [2.9K]3 years ago
6 0
The sum of exterior angles of a polygon = 360<span>°

Thus, the eighth exterior angle is equal to
360</span>° - (42° + 55° + 39° + 20° + 62° + 45° + 47°) = 50<span>°</span> 
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I need help please??? ):
andrew11 [14]

Answer:

n>4

Step-by-step explanation:

n-8 > -4

treat > as an equal sign and solve normally, first move -8 over and change to positive 8

n>-4+8

simplify

n>4

4 0
3 years ago
13. There are 31 people at a party. The
IceJOKER [234]

i think is 5

Step-by-step explanation:

7 0
2 years ago
For every $3.00 donated to a certain charity by Club A, $1.25 was donated by Club B. If the combined total amount donated to the
shtirl [24]

Answer:

D, $18,000.00

Step-by-step explanation:

Club A

$3 x is donated where x is the number of donations

Club B

$1.25x  is donated where x is the number of donations

The total of donations is 25500.00

Add the donations  times the dollar amount  for Club A and Club B and you get the total amount donated

$3x +$1.25x = 25500.00

Combine like terms

4.25x = 25500.00

Divide by 4.25 on each side

4.25/4.25x = 25500.00/4.25

x =6000

There were 6000 donations

We want to find Club A donation amount

$3 x is the amount donated

3*6000 = 18000

4 0
2 years ago
Read 2 more answers
Write the equation of the parabola in vertex form.vertex (0,2), point (1,-5)
charle [14.2K]
Y=a(x-h)^2+k
-5=a(1-0)^2+2
-5=a+2
-3=a

y=-3x^2+2
3 0
3 years ago
Read 2 more answers
You randomly select a card from a 52-card deck. Find the probability of selecting a 7 or an Ace.​
erik [133]

Answer:

15.38%

Step-by-step explanation:

There are 4 7's in a deck of 52 cards.

There are 4 Aces in a deck of 52 cards.

4+4 = 8

8/52, or 15.38%

6 0
3 years ago
Read 2 more answers
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