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nalin [4]
1 year ago
7

What two mixed numbers added together equals 3 4/5. (both mixed numbers with different denominators)

Mathematics
1 answer:
Fittoniya [83]1 year ago
6 0

1 2/5 and 2 2/5 are  two mixed numbers added together equals 3 4/5.

What is a mixed fraction?

  • A mixed fraction is one that is represented by both its quotient and remainder.
  • A mixed fraction is, for instance, 2 1/3, where 2 is the quotient and 1 is the remainder. An amalgam of a whole number and a legal fraction is a mixed fraction.

What is a mixed number improper fraction?

A mixed fraction is one that has both a correct fraction and a whole number portion, and whose value is consistently greater than 1.

= 1 2/5 + 2 2/5

= 7/5 + 12/5

= 19/5

= 3 4/5

Learn more about mixed fraction

brainly.com/question/2753661

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A road has a 10% grade, meaning increasing 1 unit of rise to every 10 units of run.
fenix001 [56]

The grade is the ratio of rise to run, i.e. the slope aka the tangent.

\tan \theta = \dfrac{1}{10}

\theta = \arctan 0.1 \approx 5.711^\circ

Answer: (a) 6 degrees

For part b, the road is the hypotenuse c of a right triangle whose tangent of the small angle is 1/10.    The height h or rise is the side opposite the small angle.

\sin\theta = \dfrac h c

h = c \sin \theta

We could just take the sine of the angle we got but let's get it from the tangent exactly.

\cos^2 \theta + \sin ^2 \theta = 1

Dividing by squared cosine

1 + \tan ^2 \theta = 1/\cos^2 \theta = 1/(1- \sin^2 \theta)

(1- \sin^2 \theta) = 1/(1 + \tan^2 \theta)

\sin^2 \theta = 1 - 1/(1 + \tan^2 \theta)

\sin^2 \theta = 1 - 1/(1 + (1/10)^2) = 1-1/(101/100) = 1/101

h = c \sin \theta = 2 \sqrt{1/101} \approx 0.199

Answer: (b) Rise of 0.199 km

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3 years ago
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siniylev [52]
The answer is a: 80%
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Marice mows the lawns on Saturday. Last week it took him 5 1/2 hours to finish. This week it took only 5 hours. How many times l
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5.5 + x = 5
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3 years ago
Simplify [-2.8]   please help me how to simplify this math proplem??????<br /><br />
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In fraction form the answer would be -2 4/5.
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Challenge Question Sally's bank account balance was $50 on Monday. On Tuesday, she bought a new pair of shoes for $45. On Thursd
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Answer:

  $8

Step-by-step explanation:

After the shoe purchase, her balance was $50 -45 = $5.

After depositing her babysitting earnings, her balance was $5+25 = $30.

After buying pizza, her balance was $30 -42 = -$12.

<em>Assuming no overdraft charge</em>, her balance after depositing her earnings was ...

  -$12 +20 = $8

Sally's balance on Sunday was $8.

7 0
2 years ago
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