3 years ago

How much time is it from 3:45pm to 5:15pm

Mathematics

2 answers:

Gre4nikov [31]3 years ago

7 0

1 hour and 30 minutes

Leokris [45]3 years ago

4 0

1 hour and 30 minutes because when you subtract those you will get that answer

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Five of the 25 girls on Alden Middle School’s soccer team are seventh-grade students. Find the percentage of seventh graders on

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lapo4ka [179]

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Find the rule. Solve for n. Х 12 15 20 Y 7 10 15 17 n Rule:

Novosadov [1.4K]

Answer:

n =22

Step-by-step explanation:

12-5=7

15-5=10

20-5=15

n-5=17

collect like terms

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2 years ago

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goblinko [34]

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3 years ago

If the sum of the measures of the interior angles of a polygon is 1920°, how many sides does it have? math

Inessa05 [86]

Answer: There is no polygon with the sum of the measures of the interior angles of a polygon is 1920°.

Step-by-step explanation:

The sum of the measures of interior angles of a polygon with $n$ sides is given by:-

$(n-2)\times180^{\circ}$

Given: The sum of the measures of the interior angles of a polygon is 1920°.

i.e. $(n-2)\times180^{\circ}=1920^{\circ}$

$n-2=\dfrac{1920}{180}\\\\ n= \dfrac{1920}{180}+2\\\\ n=\dfrac{2280}{180}=12.67$

But number of sides cannot be in decimal.

Hence, there is no polygon with the sum of the measures of the interior angles of a polygon is 1920°.

7 0

3 years ago