Answer:
14. B
(6x^4 + 7x + 5x^3) - (4x^4 - 2x^3 + 3x)
2x^4 + 7x^3 + 4x
15. 150
The missing dimension is 12
The rectangle formed has an area of 120 the small triangle has an area of 30
16. C=
C= 25.60(4) + 14(4) (3-1)
C= 102.4 + 112
C= 214.4
17. B
-5 = -3/4 (8) + 1
-5 = -6 + 1
-5 = -5
the equation is true
Answer:
100
Step-by-step explanation:
we start by subtracting 20 from 70, which is 50
we double 50 to get 100
The length of the ladder that makes an angle of 75 degrees and lies against the wall of a house that's 23 feet tall is <em>approximately </em>25.88 feet.
The ladder forms a right triangle as it lies against the wall as shown in the image below.
<em><u>Thus:</u></em>
x = length of the ladder (hypothenuse)
Reference angle 
25 ft = Opposite
Apply SOH:
<em>Thus</em>,


Therefore, the length of the ladder that makes an angle of 75 degrees and lies against the wall of a house that's 23 feet tall is <em>approximately </em>25.88 feet.
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brainly.com/question/23973168
Answer:
2,000 (3,500-300=3,200. 3,200 - 1,200 = 2,000)
Answer:
all work is pictured and shown