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Svetlanka [38]
3 years ago
11

What is 4 3/8 times 2 2/5 step by step

Mathematics
1 answer:
inn [45]3 years ago
6 0
I really hoped that helped you and i hope you have a good day. bye 

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In square ABCD, AD is 4 centimeters, and M is the midpoint of <img src="https://tex.z-dn.net/?f=%24%5Coverline%7BCD%7D%24" id="T
Ede4ka [16]

The ratio of OC to OA is OC/ 10√2 - OC

<u>Explanation:</u>

Given -

AD = 4 cm

M is the midpoint of CD

Ratio of OC to OA = ?

In a square, all the interior angles are 90°

Therefore,

ΔADC, ΔABC and ΔBCM are right angled triangle

AC is the diagonal which divides ∠DAB and ∠DCB equally

If AD = 4 cm, then AB, BC and DC are also 4cm

In ΔADC,

(AC)² = (AD)² + (DC)²

(AC)² = (10)² + (10)²

AC = 10√2 cm

AC = OA + OC

OA = AC - OC

OC/OA = OC / AC - OC

OC / OA = OC / 10√2 - OC

Therefore, the ratio of OC to OA is OC/ 10√2 - OC

4 0
3 years ago
Math question can someone answer this
rewona [7]

Answer:

179/200

Step-by-step explanation:

6 0
3 years ago
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What is the absolute value of -25?
NISA [10]

Answer:

25

Step-by-step explanation:

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2 years ago
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Andre has been practicing his math facts. He can now complete 135 multiplication facts in 90 seconds. If Andre is answering ques
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Andre can complete 1.5 facts in one second.

Step-by-step explanation:

Given,

Number of multiplication facts completed in 90 seconds = 135

Therefore;

90 seconds = 135 facts

Dividing both sides by 90 to fins the facts per second

\frac{90}{90}\ seconds=\frac{135}{90}\ facts\\\\1\ second = 1.5\ facts

Andre can complete 1.5 facts in one second.

Keywords: unit rate, division

Learn more about unit rates at:

  • brainly.com/question/13063819
  • brainly.com/question/13219835

#LearnwithBrainly

4 0
3 years ago
how tall are sally and anna if sally is 0.1m taller than anna and their combined height is 3.16 meters
Veseljchak [2.6K]
Set up a simple equation with S FOR SALLY AND A FOR ANNA LOOKS LIKE THIS A+(A+.1)=3.16
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3 years ago
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