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3 years ago

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A surveyor is standing 118 feet from the base of the Washington Monument. The surveyor measures the angles between the ground an

d the top of the monument to be 78 degrees. Find the height of the Washington Monument.

1 answer:

jeka57 [31]3 years ago

7 0

The height of the Washington monument is 555.146.

I got this by using trigonometry “tan(77) • 118”

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Find the discount.<br> Original price: $0.75<br> Discount: ??<br> Sale price: $0.15

Svetach [21]

Answer:

80%

Step-by-step explanation:

0.75 ⇒ 100%

0.15 ⇒ x%

0.75x = 100·(0.15)

0.75x = 15

x = 15/(0.75)

x = 1500/75

x = 20%

100% - (discount) = x%

100% - (discount) = 20%

discount = 100%-20%

discount = 80%

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3 years ago

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S_A_V [24]

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2 years ago

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cluponka [151]

Answer:I think its D

Step-by-step explanation:

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What is the difference in the size between 1/4 and 1 1/2

masya89 [10]

1 1/2 can be rewritten as 3/2
Difference means subtraction

So we do:
3/2-1/4
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3 years ago

If tn = 4n+1, find t1, t2, t3, and tn+1. Express tn+1−tn in its simplest form.

Doss [256]

Answer:

$t_1=5$

$t_2=9$

$t_3=13$

$t_{n+1}-t_n=4$

Step-by-step explanation:

We have that:

$t_n=4n+1$

When we substitute n=1, we get:

$t_1=4*1+1=5$

When we substitute n=2 we get:

$t_2=4*2+1=9$

When we substitute n=3, we get:

$t_3=4*3+1=13$

When we substitute n=n+1, we get:

$t_{n+1}=4*(n+1)+1=4n+5$

Now

$t_{n+1}-t_n=4n+5-(4n+1)$

We expand and simplify to obtain:

$t_{n+1}-t_n=4n+5-4n-1$

$t_{n+1}-t_n=4$

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3 years ago