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3 years ago

What is 8/5 for fractions no decimals!?

Mathematics

1 answer:

uysha [10]3 years ago

7 0

Do you mean like 1 and 3/5?

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The vertical angle to the top of a flagpole from point A on the ground is observed to be 37°11'. The observer walks 17 m directl

inysia [295]

Answer:

22m

Step-by-step explanation:

Let height of flagpole=h

AB==17 m

$\angle CAD=37^{\circ}11'=37+\frac{11}{60}=37.183^{\circ}$ (1 degree= 60 minute)

$\angle B=25^{\circ}43'=25+\frac{43}{60}=25.72^{\circ}$

We have to find the approximate height of the flagpole.

In triangle CDA,

$\frac{CD}{DA}=tan\theta=\frac{Perpendicular\;side}{Base}$

$\frac{h}{DA}=tan37.183^{\circ}$

$h=DA(0.759)$

In triangle CDB,

$tan 25.72^{\circ}=\frac{CD}{DB}$

$0.482=\frac{h}{DA+17}$

$0.482DA+8.194=h$

Substitute the value

$0.482DA+8.194=0.759DA$

$8.194=0.759DA-0.482DA$

$8.194=0.277DA$

$DA=\frac{8.194}{0.277}=29.58$

Substitute the value

$h=29.58 \times 0.759=22.45 m\approx 22m$

Hence, the height of the flagpole=22 m

3 0

3 years ago

2(y-3)-y=-1 please help me with this one

emmasim [6.3K]

Y=5 is your answer. Hope this helps :)

5 0

3 years ago

What is the measure of L? A. 390 B. 25° C. Cannot be determined D. 32°

Ulleksa [173]

Answer:

im pretty sure 25°

Step-by-step explanation:

Well the shape of an L is basically 1/4 of a rectangle. 1/4 is equal to 25 because 25 multiplied by 4 is 100. 100 divided by 4 is 25.

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3 years ago

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Only 6 more questions please help your boy

Naily [24]

We know that the Area=pi*r^2
We also know that the diameter is 8
Since r*2 = 8 you divide 8/2 and plug that into the radius. From there you solve the equation I gave you earlier and you get your answer!

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2 years ago

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Ty takes 1 hour to read 35 pages, 2 hours to read 70 pages, and 3 hours to read 105 pages.

Svetllana [295]

Answer: There are 210 pages that ty read in 6 hours.

Step-by-step explanation:

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3 years ago