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amid [387]
3 years ago
5

A lighthouse sights a boat. The angle of depression from the top of the lighthouse to the boat is 7 degrees. At this time, the h

orizontal distance from the boat to the bottom of the lighthouse is 820 meters. What is the height of the lighthouse to the nearest meter?
Mathematics
2 answers:
arsen [322]3 years ago
5 0

Answer:

100.7 equals h

Step-by-step explanation:

koban [17]3 years ago
3 0

Answer:

Step-by-step explanation:

tan7=h/820

h=820tan7

h=101m

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How do you solve this problem?
belka [17]

Answer:

You solve this problem

Step-by-step explanation:

Fire and sun light

4 0
3 years ago
Which proportion can be used to find 65% of 90?
tia_tia [17]

Answer:

58.5

Step-by-step explanation:

0.65 decimal form

then times that by 90

then you got the answer 58.5

7 0
3 years ago
Jamie wants to build a rectangular fence around a new garden. He can afford at most 70
KonstantinChe [14]

Option B is correct. <em>Yes,</em><em> (9, 22) is a solution to the </em><em>inequalities</em><em> and the</em><em> measurements</em><em> will fit in the space. </em>

The formula for calculating the perimeter of the rectangular fence is expressed as:

A = 2(L + W) where:

L is the length

W is the width

If Jamie can afford at most 70feet to build a rectangular fence is expressed as:

2L + 2W ≤ 70

<em>We are to check if the garden measure 9 feet by 22 feet. To do this we are to substitute L = 9 and W = 22 into the formula to check if the result will be less than 70</em>

On substituting:

= 2(9) + 2(22)

= 18 + 44

= 62 feet

Since 63 feet is less than 70 feet, hence we can conclude that <em>Yes,</em><em> (9, 22) is a solution to the </em><em>inequalities</em><em> and the</em><em> measurements</em><em> will fit in the space. </em>

<em />

<em>Learn more here: brainly.com/question/17229451</em>

8 0
3 years ago
The expression -10y²+54y+36 represents the profits made by a company when it increases the price of the product by y dollars. Fa
stiv31 [10]

Answer:

− 2( 5 y + 3 ) ( y − 6 )

Step-by-step explanation:

hope it helps

7 0
3 years ago
Find x. (Use pic for more info)
V125BC [204]

Answer:

x=75

Step-by-step explanation:

Hey There!

If you didn't know the exterior angle of a triangle is equal to the sum of the opposite interior angles of a triangle

So essentially what I'm saying is that

2x-5=70+x

step 1 add 5 to each side

-5+5 cancels out

70+5=75

now we have

2x=70+x

step 2 subtract x from each side

x-x cancels out

2x-x=x

we're left with

x=75

8 0
3 years ago
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