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Nataly_w [17]
3 years ago
8

- 7.42 as a mixed number in simplest form.

Mathematics
1 answer:
Sever21 [200]3 years ago
5 0
Well first, the fraction is written 7 42/100, but 42 divided by 2 and 50 divided by 2 equal 21/50. You cannot simplify it anymore, therefore the answer in <span>simplest form is 7 21/50.</span>
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SVETLANKA909090 [29]

Answer:

5≥6

Step-by-step explanation:

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Marrrta [24]

Answer:

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3 years ago
Read 2 more answers
To find the distance AB across a river, a surveyor laid off a distance BC=361 m on one side of the river. It is found that B=111
zhannawk [14.2K]

Answer:

91.87m

Step-by-step explanation:

We are given that

BC=361 m

Angle B=111^{\circ}20'=111+\frac{20}{60}=111.33^{\circ}

1 degree= 60 minute

Angle C=12^{\circ} 15'=12+\frac{15}{60}=12.25^{\circ}

We have to find the value of AB.

Sum of angles of triangle=180 degrees

\angle A+\angle B+\angle C=180

\angle A=180-(\angle C+\angle B)=180-(111.33+12.25)=56.42^{\circ}

By using law of sine

\frac{AB}{sin C}=\frac{BC}{sin A}

AB=\frac{BCsin C}{sin A}=\frac{361 sin 12.25^{\circ}}{sin 56.42^{\circ}}

AB=91.87 m

7 0
3 years ago
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