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aniked [119]
3 years ago
8

-2(21/4)+-2(13/4) what is the answer

Mathematics
2 answers:
meriva3 years ago
6 0

Answer:

I think -17

Step-by-step explanation:

sergij07 [2.7K]3 years ago
4 0

Answer:

-17

Step-by-step explanation:

-2(21/4)-2(13/4)

-(21/2)-26/4

-21/2-26/4

-42/4-26/4

-68/4

-17

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Answer:

2/5

Step-by-step explanation:

7 0
2 years ago
Sripathi 10 years old than ragu. their total age is 100
Fiesta28 [93]
S = 10 + r

s + r = 100

Adding equations,

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8 0
3 years ago
What is the perimeter in centimetres of a regular octagon with sides measuring 17 mm?
Anit [1.1K]

Answer:

1.36 centimeters

Step-by-step explanation:

Given,

side length ( a ) = 17 mm

To find : Perimeter of regular octagon ( in cm )

Octagon has 8 sides.

Perimeter of regular octagon

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= 136 x 0.1

= 1.36 centimeters ( cm )

Hence,

Perimeter of regular octagon is 1.36 centimeters.

7 0
2 years ago
Read 2 more answers
Please let me know ASAP
aksik [14]

Answer:

∠ BAC = 80°

Step-by-step explanation:

The sum of the interior angles of quadrilateral ACDB = 360°

DB and DC are tangents to the circle, thus

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Thus

∠ BAC + 90° + 90° + 100° = 360°

∠ BAC + 280° = 360° ( subtract 280° from both sides )

∠ BAC = 80°

4 0
3 years ago
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Step-by-step explanation:

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3 years ago
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