Answer:
60%
Step-by-step explanation:
Multiply 40 by 3 and you get 120 so then you multiply 20% by 3 and get 60%
Answer:
<u>135.94 feet</u>
Step-by-step explanation:
Split the problem into two parts :
- Distance between viewer and building
- Height of the top part of the building
<u>Distance between viewer and building</u>
- The lower part of the building is 40 feet, as it is mentioned the viewer is 40 feet above street level
- Let the distance be called 'd'
- Therefore, tan37° = 40/d
- tan37° = 3/4 = 0.75
- ⇒ 40/d = 0.75
- ⇒ d = 40/(3/4) = 40 x 4/3 = 160/3 = 53.3 feet
<u>Height of the top part of the building</u>
- Let the height of the top part be 'h'
- Therefore, tan61° = h/d = h/53.3
- tan61° = 1.8
- ⇒ h/53.3 = 1.8
- ⇒ h = 53.3 x 1.8 = 95.94 feet
<u>Total height of building</u>
- Lower part + Top part
- 40 + 95.94
- <u>135.94 feet</u>
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Answer:
The population after 10 years will be 90,000.
Explanation:
2% of 75,000 is 1,500
the population will grow by 1,500 each year.
so 1,500 times 10 is 15,000
so than we add 75,000 + 15,000
we get the answer of 90,000.
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From 7-12
60, 65, 115, 55, 120, 60
explanation: according to the picture, ab=bc=ac
cd=ce
To factor<span> a trinomial in the form ax</span>2<span> + bx + c, find two integers, r and s, whose sum is b and whose product is ac. Rewrite the trinomial as ax</span>2<span> + rx + sx + c and then use </span>grouping<span> and the Distributive Property to </span>factor<span> the polynomial.</span>