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-Dominant- [34]
3 years ago
10

(Round to the nearest whole number -9.09090909091

Mathematics
1 answer:
bogdanovich [222]3 years ago
3 0

Answer:

the nearest whole number should be -9.

Step-by-step explanation:

well, -9.09 get rid of the rest, -9.1 since 5 or up round up. And one is less then five leaving just a -9

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(4)(5)(6) Geometry<br> Check answers<br><br> 4) octagon<br> 5) 135<br> 6) 720
allsm [11]
Problem 4

x = interior angle
y = exterior angle
x = 3y since "each interior angle...is three times the measure of each exterior angle"

The interior and exterior angles are supplementary, meaning,
x+y = 180
3y+y = 180
4y = 180
y = 180/4
y = 45

So we know that
n = 360/y
n = 360/45
n = 8

You are correct in saying that this is an octagon

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

Problem 5

x = measure of missing angles

Find the sum of the interior angles
S = 180*(n-2)
S = 180*(5-2)
S = 540
The five interior angles add up to 540 degrees

Add up the five angles, set equal to 540, then solve for x
90+90+90+x+x = 540
2x+270 = 540
2x+270-270 = 540-270
2x = 270
2x/2 = 270/2
x = 135

So you have the correct answer of choice C) 135 degrees

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

Problem 6

S = 180*(n-2)
S = 180*(6-2)
S = 180*4
S = 720

You have the correct answer. Nice work on all three correct answers.


5 0
3 years ago
√(5/6)^2 plz help me
Aloiza [94]
You do 2x5=10 then x 6=12
7 0
3 years ago
If 19.3% of children and adolescents are obese (14.4M), what is the total number of children and adolescents overall? Please i n
Anna35 [415]

Answer:

74,611,399

Step-by-step explanation:

Percentage of obese children and adolescent = 19.3%

19.3% = 14.4 million

The overall number of children and adolescent equals a total percentage of 100%

Hence,

If 19.3 % = 14.4 million

100% = x

Cross multiply :

19.3% x = 100% * 14.4 million

0.193x = 14400000

x = 14400000 / 0.193

x = 74611398.964

Total number of children and adolescent = 74,611,399

4 0
3 years ago
Evaluate each expression for the given value(s) of the variable(s). 2b + 9 when b = 3
Phoenix [80]

Answer:

15

Step-by-step explanation:

substitute the value of the variable into the equation and simply

6 0
3 years ago
If you ride your bike around the block that is 20 meters returning to the exact point where you started your displacement is___m
vodka [1.7K]
A 0M your displacement is where you end up
8 0
3 years ago
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