3 years ago

Im not sure if this is correct, pls help ! this test is timed !!

Mathematics

1 answer:

saw5 [17]3 years ago

3 0

Answer:

im sorry but there is just a black screen

Step-by-step explanation:

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Order the numbers from least to greatest. 3 and thirty nine fortieths, 3 and nineteen twentieths, 3 and one half.

Assoli18 [71]

3 39/40 = 3.975
3 19/20 = 3.95
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least to greatest : 3 1/2, 3 19/20, 3 39/40

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4 years ago

PLSSS I NEED HELP VERY QUICKLY!!!!!!!!!!

dangina [55]

Answer:

6.7

Step-by-step explanation:

$\sqrt(3 ^{2} + 6 ^{2} )$

$\sqrt{45} \\ \\ = 6.7cm$

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A man standing on a lighthouse at a height of 124 feet sights two boats directly in front of him. One is at an angle of depressi

Ksivusya [100]

Answer:

$125\ ft$

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

In the right triangle ABC find the length side BC

we know that

$tan(62\°)=\frac{124}{BC}$

$BC=\frac{124}{tan(62\°)}$

step 2

In the right triangle ABD find the length side BD

we know that

$tan(33\°)=\frac{124}{BD}$

$BD=\frac{124}{tan(33\°)}$

step 3

we know that

The distance between the two boats is the length side CD

$CD=BD-BC$

substitute the values

$CD=\frac{124}{tan(33\°)}-\frac{124}{tan(62\°)}=125\ ft$

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Step-by-step explanation:

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