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Bingel [31]
3 years ago
13

One more than the difference between 18 and seven times a number is -9

Mathematics
1 answer:
Reptile [31]3 years ago
8 0
(18-7x)+1= -9 Hope this helps ^^
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Which statements are true about the regular polygon? Select three options. The sum of the measures of the interior angles is 900
Akimi4 [234]

Answer:

The sum of the measures of the interior angles is 900° is False

Each interior angle measures 108° is True

All of the angles are congruent is True

The polygon is a regular hexagon is False

The sum of the measures of the interior angles is 180(5 – 2)° is True

Step-by-step explanation:

A pentagon is a polygon having five sides and equal angles. We can find the sum of the measures of the interior angles through 180*(n-2) where n = 5(number of sides a polygon has)

180*(5-2)= 180(3)=540°

Now the angles are 540/5 = 108°

This shows that the statement:

The sum of the measures of the interior angles is 900° is False

Each interior angle measures 108° is True

All of the angles are congruent is True

The polygon is a regular hexagon is False

The sum of the measures of the interior angles is 180(5 – 2)° is True ....

3 0
3 years ago
Read 2 more answers
Simplify the expression: (4 − 7i) + (1 − 2i).<br><br> 3 − 9i<br> 3 − 5i<br> 5 − 9i<br> 5 − 5i
motikmotik

Answer:

5-9i

Step-by-step explanation:

If you add the 4 and 1 you get 5, and if you add -7i and -2i since they are both negative, they stay negative, so you get -9i.  So the answer is 5-9i.

6 0
3 years ago
Round 0.9999 to 3 significant figures
schepotkina [342]

Answer:

1.000

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
PlZZZ help picture attached
larisa86 [58]
1/2 divided by 1/6 is 3 or 3/1 
you  have to divide 2 to 6 and u get 3 
4 0
4 years ago
Read 2 more answers
Goodmorning , please help!
Sav [38]

Answer:

7/2

Step-by-step explanation:

17=x+x+10

17-10=2x

7=2x

x=7/2

4 0
3 years ago
Read 2 more answers
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